WO2012150638A1 - 子局ターミナル - Google Patents
子局ターミナル Download PDFInfo
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- WO2012150638A1 WO2012150638A1 PCT/JP2011/060563 JP2011060563W WO2012150638A1 WO 2012150638 A1 WO2012150638 A1 WO 2012150638A1 JP 2011060563 W JP2011060563 W JP 2011060563W WO 2012150638 A1 WO2012150638 A1 WO 2012150638A1
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- WIPO (PCT)
- Prior art keywords
- unit
- detection
- data
- slave station
- detection unit
- Prior art date
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H25/00—Switches with compound movement of handle or other operating part
- H01H25/04—Operating part movable angularly in more than one plane, e.g. joystick
Definitions
- the present invention relates to a slave station terminal that transmits control and monitoring signals to and from the control side via a common data signal line.
- the common data signal line is a signal line in which a plurality of slave station terminals are connected in parallel, and a control-side master station is connected in parallel with the plurality of slave stations.
- a slave station terminal is used for instructions. More specifically, a slave station terminal is provided on each of the plurality of storage shelves, which displays that the article is arranged and has a notification information input means that the article has been carried out. These slave station terminals are connected to a host computer via a control device. Then, the host computer transmits a part reception instruction to the control device, and the control device indicates the instruction state by a lamp or a display of the terminal mounted on the component receiving shelf from which the reception instruction is issued.
- the worker who has received the instructed part operates the lever switch of the slave station terminal as a reception completion input.
- the operation signal is received by the host computer via the control device, and the progress of work, prevention of erroneous work, supply of parts to the parts receiving shelf, inventory management of parts, ordering of supply parts, etc. It is a mechanism that is performed.
- the lever switch of the slave station terminal used in the above picking system is preferably one that can be operated in any direction in consideration of the convenience of the operator.
- a non-contact type on / off switch provided with a switch lever excellent in operability in Japanese Patent Laid-Open No. 2009-26509.
- This non-contact type on / off switch is configured such that one end of a cylindrical material having flexibility and reversibly extending to a normal state is fixed to a base material, and a flexible bar material is inserted into the cylindrical body. One end is fixed to the end of the cylindrical member that is not fixed to the base material, and the other end is protruded from the cylindrical member.
- the present applicant has proposed a switch lever structure of a non-contact type on / off switch disclosed in Japanese Patent Application Laid-Open No. 2010-123320.
- this switch lever structure one end of a bar is inserted and fixed to a flexible cylindrical body that can be restored to a normal state, and a mirror surface is formed on an end surface surrounded by the cylinder of the bar material.
- the detection part is arrange
- the switch lever of the slave station terminal preferably hangs down from the main body of the slave station terminal in consideration of operator operability.
- the switch lever structure when the switch lever structure is applied to a slave station terminal, if the bar is arranged along the vertical direction, dust or the like enters the space formed above the reflecting surface and accumulates on the reflecting surface, thereby increasing the sensitivity. There has been a problem of lowering or making it inoperable.
- the non-contact type on / off switch for projecting one end of the bar inserted through the cylindrical body from the cylindrical material and converting the operation of the projected end into an electrical signal binary and outputting it is structured as follows. From the characteristic features, problems due to such accumulation of dust and the like can be avoided.
- the end detection structure for converting the operation of the end protruding from the cylindrical material into a binary electrical signal, it is suitable for the usage environment of the slave station terminal. There is also an advantage that the form can be appropriately adopted.
- the cylindrical material that is flexible and repeats deformation needs to be replaced when it is worn out over a period of time.
- settings for exchanging data with the control side are required, so it takes time to replace the slave station terminal itself.
- the circuit device or the like is not worn out as much as the above-described tubular material. Therefore, it is uneconomical and impractical to replace the entire slave station terminal due to wear and tear of only the switch lever portion in the slave station terminal.
- an object of the present invention is to provide a slave station terminal that can easily replace at low cost only a switch portion that is excellent in operability without causing any trouble even when arranged in the vertical direction.
- a slave station terminal includes a transmission means for extracting control data from a transmission signal on a common data signal line connected to the control side, and transmitting a monitoring data signal to the common data signal line; a display means; , Input means, input / output means for exchanging data with the display means and the input means.
- the input means includes a switch unit and a detection unit.
- the switch unit is detachably attached to a casing that includes the transmission unit, the input / output unit, and the detection unit, and constitutes a main body, and is a flexible cylindrical body that freely bends in any direction.
- a rigid bar attached to a free end of the flexible cylinder, and extends from the base end of the rigid bar through the inside of the flexible cylinder toward the base end of the flexible cylinder
- An elastic bar and a guide member having an insertion hole for the elastic bar and supporting the elastic bar while allowing movement in the axial direction.
- a detection factor is formed at the end of the elastic bar protruding from the insertion hole of the guide member.
- the detection factor is composed of an electrostatic body and a magnetic metal body, and a terminal surface in the axial direction or a side surface parallel to the axial line forms a reflective surface.
- the detection factor is, for example, that the detection unit includes a magnetic sensor, and the detection factor in the case where the presence or absence of the switch operation is detected using a change in magnetic force is composed of a magnetic material.
- the detection unit includes a light emitting element and a light receiving element, and a detection factor in the case where the presence or absence of the switch operation is detected using a change in the amount of light is constituted by a light reflector.
- the detection unit includes an ultrasonic wave transmitting element unit and an ultrasonic wave receiving element unit, and the detection factor when detecting the presence or absence of the switch operation using the change in volume is configured with a sound reflector. Become.
- the detection unit detects the presence or absence of the switch operation using the change of inductance (L)
- the detection factor is a metal body
- the detection unit switches using the change of the capacitance (C).
- a detection factor for detecting the presence or absence of an operation is composed of an electrostatic body.
- the detection factor has a reflecting surface and is composed of an electrostatic body and a magnetic metal body, the detection unit is applicable regardless of which principle is used.
- the detection unit may be arranged toward the end surface of the detection factor, or may be arranged toward the side surface of the detection factor.
- the transmission means counts the address data sequentially transmitted every one cycle of a series of pulse signals following the start signal transmitted through the common data signal line, starting from the start signal, When the address data matches the local station address data, the control data superimposed on the series of pulse signals may be extracted and the monitoring data signal may be sent to the common data signal line. .
- the switch unit of the slave station terminal according to the present invention can be freely bent in any direction and has excellent operability.
- the switch detects that the detection factor has moved away from the detection unit as the elastic bar moves in the axial direction as a switch unit operation. Even if the portion is arranged in the vertical direction, there is no problem due to accumulation of dust or the like.
- the flexible cylinder which comprises a switch part is attached to the housing
- the rigid bar, the elastic bar and the guide member can also be removed integrally.
- the reverse mounting is the same. That is, the entire switch unit can be easily replaced.
- the detection factor has a reflecting surface and is composed of an electrostatic body and a magnetic metal body, the detection unit has magnetic force, light quantity, volume, inductance (L), capacitance (C). Whichever change is used, it corresponds to all of them. Therefore, it can be replaced regardless of the detection principle of the detection unit.
- the arrangement of the detection unit can be appropriately determined according to the relationship with other circuit devices arranged in the slave station terminal and the usage pattern. For example, in order to make the replacement work easier, it is preferable to arrange the detection unit toward the end face of the detection factor. In this case, the circuit board and the detection factor are arranged so as not to cross each other, and the switch part can be easily attached to and detached from the casing. On the other hand, in order to increase the detection sensitivity, it is preferable to arrange the detection unit toward the side of the detection factor. In this case, the detection factor moves outside the range facing the detection unit due to the movement of the elastic bar in the axial direction, but in the region facing the detection unit, a part of the side surface is at a certain interval from the detection unit. Will be located. That is, since the detection unit detects the presence or absence of a detection factor within a predetermined area, the detection sensitivity is superior to that in the case of detecting a change in the distance from the detection factor.
- FIG. 6 is an enlarged side view schematically showing the movement of the detection factor in FIG. 5.
- It is a system block diagram of a slave station terminal. It is a figure which shows typically the detection principle by the change of light quantity. It is a figure which shows typically the detection principle by the change of an inductance (L).
- FIG. 3 shows different embodiments of the switch unit, (a) is a side view of a normal state, and (b) is a side view of the operated state. It is a side view which shows typically a motion of the detection factor of the switch part. It is a figure which shows typically the detection principle by reflected light. It is a figure which shows typically the detection principle by transmitted light. It is a figure which shows typically the detection principle by an inductance (L).
- the slave station terminal 5 is used in the article receipt management system having the configuration shown in FIG. 3, and is fixed to a pipe rack 10 constituting a shelf for storing articles as shown in FIG.
- the lower side of the slave station terminal 5 is an article storage unit.
- the instruction to take out the articles stored in the article storage section is performed by turning on the indicator lamp 81 of the slave station terminal, and the operator who has finished the extraction operation operates the switch lever 71 (corresponding to the rigid bar of the present invention). As a result, the information is transmitted to the control unit 1. Since the switch lever 71 can be tilted in any arbitrary direction, the operator can perform the operation very easily in the flow of taking-out work.
- the control unit 1 is a programmable controller, a computer, or the like, for example, and includes an output unit 11 that sends control data 13 to the slave station terminal 5 and an input unit 12 that receives monitoring data 14 indicating whether or not the slave station terminal 5 is switched.
- the master station 2 is connected to the output unit 11 and the input unit 12.
- the master station 2 includes an output data unit 22, a timing generation unit 23, a master station output unit 24, a master station input unit 25, and an input data unit 26.
- a control data signal (hereinafter referred to as a transmission clock signal 20) connected to the common data signal lines DP and DN is sent to the common data signal lines DP and DN and is transmitted to the slave station.
- the monitoring data signal 50 sent from the terminal 5 is converted into parallel data and sent as monitoring data 14 to the input unit 12 of the control unit 1.
- the output data unit 22 delivers the parallel data received as the control data 13 from the output unit 11 of the control unit 1 to the master station output unit 24 as serial data.
- the timing generation unit 23 includes an oscillation circuit (OSC) 31 and a timing generation unit 33. Based on the OSC 31, the timing generation unit 33 generates a timing clock of this system and delivers it to the master station output unit 24.
- OSC oscillation circuit
- the master station output unit 24 includes a control data generation unit 34 and a line driver 35. Based on the data received from the output data unit 22 and the timing clock received from the timing generation unit 23, a common data signal is transmitted via the line driver 35. A transmission clock signal 20 is sent as a series of pulse signals to the lines DP and DN.
- the data value is expressed by a pulse width of a high voltage level period in one cycle of the transmission clock signal 20.
- the transmission clock signal 20 has a high potential level (for example, +24 V) in the second half of one cycle and a low potential level (for example, 0 V or +12 V) in the first half.
- the width of the high potential level is expanded according to the value of each data of the control data 13 input from the control unit 1, for example, up to (3/4) t0 when one period of the transmission clock signal is t0. Expanded.
- Address data is sequentially assigned to the data value (control data) of the transmission clock signal 20 sent from the master station output unit 24 to the common data signal lines DP and DN in every cycle of the transmission clock signal 20. Yes. Furthermore, a start signal (StartBit) is formed at the beginning of the transmission clock signal 20 in order to determine the beginning for counting the address data.
- the start signal may be, for example, a signal having the same potential level as the high potential level of the transmission clock signal 20 and longer than one cycle of the transmission clock signal 20.
- the master station input unit 25 includes monitoring data signal detection means 36 and monitoring data extraction means 37, and sends serial input data to the input data section 26.
- the monitoring data signal detection means 36 detects the monitoring data signal 50 sent from the slave station terminal 5 via the common data signal lines DP and DN.
- the data value of the monitoring data signal 50 transmitted from the slave station terminal 5 is represented by the voltage level of the first half of one cycle (period of low potential level) in the transmission clock signal. After the start signal is transmitted, It is received sequentially from each of the slave station terminals 5.
- the data of the monitoring data signal 50 is extracted by the monitoring data extracting means 37 in synchronization with the signal of the timing generating means 33 and sent to the input data section 26 as serial input data.
- the input data unit 26 converts the serial input data received from the master station input unit 25 into parallel data, and sends the parallel data to the input unit 12 of the control unit 1.
- the slave station terminal 5 includes a transmission unit 54, an input / output unit 55, a storage unit 56, an input unit 57, and an output unit 58, as shown in FIG.
- a reception instruction is displayed on the basis of the control data of the transmission clock signal 20 and connected to the common data signal lines DP and DN, and a monitoring data signal indicating the presence or absence of a switch operation at the completion of the reception operation is displayed on the common data signal line.
- a microcomputer control unit (MCU) 59 functions as a transmission means 54, an input / output means 55, and a storage means 56.
- the input means 57 includes a detection unit 60 and a switch unit 70, and is connected to the input terminal SW of the MCU 59.
- the output means 58 includes the indicator lamp 81 and is connected to the output terminal LD of the MCU 59.
- the MCU 59 includes a CPU, a RAM, and a ROM, and the ROM stores a program (PRG) for performing a function necessary for article receipt management.
- the RAM stores SW data based on an input signal from the input terminal SW, L data for outputting an instruction signal from the output terminal LD, and address data. And the process for performing a required function is performed using the calculation function of CPU.
- the address data stored in the RAM is a local address corresponding to any of the addresses assigned to the transmission clock signal. This own station address may be stored from the outside using the control unit 1 or a separate terminal device (not shown). Moreover, it is good also as what is previously memorize
- the divided signal obtained by dividing the potential difference between the common data signal lines DP and DN by the dividing resistors R1 and R2 is input to the MCU 59 from the input terminal CK. Further, an out signal for sending SW data as a monitoring data signal to the common data signal lines DP and DN is output from the output terminal OUT.
- the MCU 59 having the above configuration always obtains transmission address data by counting the cycle of the transmission clock signal from the start signal in the normal use state in the article receipt management system. Then, the address data is compared with the local address data stored in the RAM, and if the address data match each other, a signal corresponding to the SW data stored in the RAM of the MCU 59 at that time is output to the output terminal. Output from OUT to the base of the transistor TR0. Specifically, if the SW data is “on” (indicating that the lever switch 71 is operated), the transistor TR0 is “on” and the SW data is “off” (the lever switch 71 is operated). Transistor TR0 is “off”.
- the transmission clock signal is transmitted as a monitoring data signal on the common data signal lines DP and DN in a form in which the voltage of the low voltage period in one cycle is lowered. If the transmission address data is not the address data of the own station, the cycle is counted until the address data of the own station is reached, and the address data is incremented.
- the MCU 59 extracts the control data for the own station superimposed on the transmission clock signal 20 when the transmission address data and the own station address data match. Based on the control data, the current signal from the output terminal LD for the indicator lamp 81 is sent to the output means 58 as the output signal 61. The indicator lamp 81 is turned on or off according to the current signal from the output terminal LD.
- an input signal 62 is input from the input means 57 to the MCU 59 via the input terminal SW.
- the MCU 59 stores the SW data “on” in the RAM based on the input signal 62. Then, in the next transmission cycle of the transmission clock signal 20, when the transmission address data coincides with the local address data, an “on” current is supplied to the transistor TR0 and sent to the common data signal lines DP and DN as monitoring data signals. To do.
- the switch unit 70 is detachable from the casing 51 of the slave station terminal 5 (corresponding to the casing of the present invention), and can be reused by replacing only the switch unit 70 in the event of failure due to the number of operations. Yes.
- One end of the connection cylinder 73 that forms a connection portion to the casing 51 in the switch unit 70 is inserted into a cylindrical projection (not shown) provided in the casing 51 and can be fixed to the casing 51 using a cap nut 74. It has become.
- the end of the connecting cylinder 73 on the casing 51 side is the base end, and the opposite end is the free end, and the same applies to the other members constituting the switch unit 70.
- a rubber flexible cylinder 72 having a bellows is attached to the free end of the connecting cylinder 73, and the base end of the switch lever 71 is connected to the free end of the flexible cylinder 72. It is attached.
- the base end of the switch lever 71 is inserted into the flexible cylinder 72, passes through the inside of the flexible cylinder 72 from there, and elastically moves toward the base end of the flexible cylinder 72.
- a bar 75 extends.
- the end of the elastic bar 75 is passed through the insertion hole of the guide member 76 and is supported in a state of being movable in the axial direction.
- a detection factor 77 composed of a magnetic metal body 77b and an electrostatic body 77c is provided at an end portion protruding from the insertion hole of the elastic bar 75.
- the end surface 77a of the detection factor 77 is a reflecting surface.
- An opening 52 is provided on the bottom surface of the cylindrical protrusion that receives the connection cylinder 73 in the casing 51, and the detection unit 60 is mounted on the circuit board 53 disposed inside the casing 51 across the opening 52. Yes. The detection unit 60 is exposed to the opening 52.
- the detection factor 77 is detected in a normal state (the state shown in FIG. 5A) when the switch lever 71 is not operated. And the detection unit 60 are arranged close to each other.
- the detection unit 60 can turn on / off the electric signal by operating the switch lever 71 in a non-contact manner by detecting that the detection factor 77 is separated.
- any change in magnetic force, light amount, volume, inductance (L), and capacitance (C) can be used.
- the detection unit 60 includes a magnetic sensor, it is possible to detect that the detection factor 77 has been separated by a change in magnetic force from the magnetic metal body 77 b constituting the detection factor 77.
- the detection unit 60 includes a light emitting unit and a light receiving unit as shown in FIG. 8, the light amount from the light emitting unit is reflected by the reflection surface 77a of the detection factor 77, and is detected by the change in the light amount reaching the light receiving unit. It can be detected that the factor 77 is separated.
- the detection unit 60 includes an ultrasonic transmission element unit and an ultrasonic wave reception element unit
- the sound volume from the ultrasonic transmission element unit is reflected by the reflection surface 77 a of the detection factor 77.
- the separation of the detection factor 77 can be detected by a change in sound volume reaching the ultrasonic wave receiving element portion.
- the detection unit 60 includes a proximity sensor, it is detected that the detection factor 77 is separated due to a change in inductance (L) caused by the magnetic metal body 77 b of the detection factor 77. it can.
- the detection unit 60 includes a capacitance (C) sensor
- the detection factor 77 is separated due to a change in capacitance (C) caused by the electrostatic body 77c of the detection factor 77. Can be detected.
- the material of the flexible cylinder 72 is not limited as long as necessary flexibility is obtained, and may be made of a synthetic resin. A bellows may be provided as necessary.
- the connecting cylinder 73 is not limited as long as it has higher rigidity than the flexible cylinder 72, and may be made of synthetic resin or the like.
- the detection unit 60 when the detection unit 60 is arranged toward the end surface 77 a of the detection factor 77, the detection factor 77 does not cross the circuit board 53, and therefore the work of replacing the switch unit 70 with respect to the casing 51 is performed. Becomes easy.
- the detection unit 60 when it is necessary to increase the detection sensitivity of the detection unit 60, the detection unit 60 may be arranged facing the side surface of the detection factor 77.
- 10 to 14 show an embodiment of a switch unit in which the detection unit is arranged facing the side surface of the detection factor. 10 to 14, parts that are substantially the same as those of the embodiment shown in FIGS. 1 to 9 (hereinafter referred to as Embodiment 1) are denoted by the same reference numerals, and description thereof is simplified or omitted.
- FIG. 10 a slit extending from the edge is formed in the circuit board 53, and a detection factor 77 is inserted into the slit. And in the normal state (state shown in Drawing 10 (a)) where switch lever 71 is not operated, it is arranged near the position where detection part 60 faces the side of detection factor 77. When a force is applied to the switch lever 71, the flexible cylindrical body 72 is deformed, and the flexible cylindrical body 72 and the elastic bar 75 are curved from the normal state shown in FIG. 10A. It becomes. At this time, the end portion of the elastic bar 75 protruding from the guide member 76 moves to the free end side in the axial direction.
- the detection factor 77 is not in a position facing the detection unit 60 on the side surface, and the detection unit 60 detects the presence or absence of the detection factor 77, thereby turning on / off the electric signal by operating the switch lever 71. Can be done in contact. Further, since the detection unit 60 detects the presence or absence of the detection factor 77 located at a constant interval in the region where the detection factor 77 faces the detection unit 60 on the side surface, the distance from the detection factor 77 is detected. Compared to the case of the first embodiment for detecting the change of the above, the detection sensitivity is excellent.
- the detection factor 77 is composed of a magnetic metal body 77b and an electrostatic body 77c as in the first embodiment.
- the magnetic metal body 77b and the electrostatic body 77c are arranged side by side in the axial direction, whereas in this embodiment, they are arranged in the radial direction.
- one side (upper side in FIG. 11) of the dividing plane including the axis is constituted by a magnetic metal body 77b, and the other side (lower side in FIG. 11) is an electrostatic body 77c. It is structured.
- part comprised with the magnetic metal body 77b makes the reflective surface 77a.
- the arrangement of the magnetic metal body 77b and the electrostatic body 77c may be changed as appropriate.
- the outside of the electrostatic body 77c extending in the axial direction may be wrapped with the magnetic metal body 77b.
- the principle by which the detection unit 60 detects the presence or absence of the detection factor 77 is not limited, and any change in magnetic force, light amount, volume, inductance (L), and capacitance (C) can be used. .
- the detection unit 60 includes a magnetic sensor
- the presence / absence of the detection factor 77 can be detected based on the presence / absence of a magnetic force from the magnetic metal body 77b constituting the detection factor 77.
- the detection unit 60 includes a light emitting unit and a light receiving unit as shown in FIG. 12, the presence or absence of the detection factor 77 can be detected based on the presence or absence of light reflected by the reflection surface 77 a of the detection factor 77.
- the detection factor 77 depends on the presence or absence of the ultrasonic wave reflected by the reflection surface 77a of the detection factor 77. The presence or absence of can be detected. Further, when the detection unit 60 includes a light emitting unit and a light receiving unit, as shown in FIG. 13, the light emitting unit 60a and the light receiving unit 60b may be separated and placed facing each other with the detection factor 77 interposed therebetween. In this case, the presence or absence of the detection factor 77 can be detected based on whether or not the light emitted from the light emitting unit 60a toward the light receiving unit 60b, which is indicated by a broken line in FIG.
- the detection unit 60 when the detection unit 60 includes a proximity sensor, the detection factor 77 is separated due to a change in inductance (L) caused by the magnetic metal body 77 b of the detection factor 77. It can be detected. Furthermore, although illustration is omitted, when the detection unit 60 includes a capacitance (C) sensor, the detection factor 77 is separated due to a change in capacitance (C) caused by the electrostatic body 77c of the detection factor 77. Can be detected.
- L in inductance
- C capacitance
Abstract
Description
前記スイッチ部は、前記伝送手段と前記入出力手段と前記検出部を内包し本体を構成する筐体に着脱可能に取り付けられ、任意の全方向に自在に撓む可撓性筒体と、前記可撓性筒体の自由端に取り付けられた剛性棒材と、前記剛性棒材の基端から前記可撓性筒体の内部を通過して前記可撓性筒体の基端に向って延びる弾性棒材と、前記弾性棒材の挿通孔を有し前記弾性棒材を軸線方向の移動を許容して支持するガイド部材とで構成される。また、前記ガイド部材の前記挿通孔から突出する前記弾性棒材の端部には、検出因子が形成される。更に、前記検出因子は静電体と磁気性金属体で構成され、前記軸線方向の終端面または前記軸線と平行する側面が反射面をなす。
前記検出部は、前記剛性棒材に前記剛性棒材の軸線と直交する方向に力が加えられたとき、前記弾性棒材の前記軸線方向の移動に伴い前記検出因子が離れたことを検出する。
子局ターミナル5は図3に示す構成の物品受取管理システムに使用されるもので、図2に示すように物品を収容する棚を構成するパイプラック10に固定されている。そして、子局ターミナル5の下側が物品収容部とされている。この物品収容部に収容された物品の取り出し指示は、子局ターミナルの指示灯81の点灯により行われ、取り出し作業を終えた作業者がスイッチレバー71(本発明の剛性棒材に相当)を操作することにより、その情報が制御部1に伝えられる。スイッチレバー71は、任意の全方向に傾けることができるので、作業者は取り出し作業の流れの中でその操作を極めて容易に行うことができる。
2 親局
5 子局ターミナル
10 パイプラック
11 出力ユニット
12 入力ユニット
13 制御データ
14 監視データ
20 伝送クロック信号
22 出力データ部
23 タイミング発生部
24 親局出力部
25 親局入力部
26 入力データ部
31 発振回路(OSC)
33 タイミング発生手段
34 制御データ発生手段
35 ラインドライバ
36 監視データ信号検出手段
37 監視データ抽出手段
50 監視データ信号
51 ケーシング
52 開口
53 回路基板
54 伝送手段
55 入出力手段
56 記憶手段
57 入力手段
58 出力手段
59 MCU
60 検出部
60a 発光部
60b 受光部
61 出力信号
62 入力信号
70 スイッチ部
71 スイッチレバー
72 可撓性筒体
73 接続筒体
74 袋ナット
75 弾性棒材
77 検出因子
77a 反射面
77b 磁気性金属体
77c 静電体
81 指示灯
DP、DN 共通データ信号線
R1、R2 抵抗
TR0 トランジスタ
Claims (4)
- 制御側に接続されている共通データ信号線上の伝送信号から制御データを抽出するとともに、前記共通データ信号線に監視データ信号を送出する伝送手段と、表示手段と、入力手段と、前記表示手段および前記入力手段とデータの授受を行う入出力手段を備え、
前記入力手段は、スイッチ部と検出部を備え、
前記スイッチ部は、前記伝送手段と前記入出力手段と前記検出部を内包し本体を構成する筐体に着脱可能に取り付けられ、任意の全方向に自在に撓む可撓性筒体と、前記可撓性筒体の自由端に取り付けられた剛性棒材と、前記剛性棒材の基端から前記可撓性筒体の内部を通過して前記可撓性筒体の基端に向って延びる弾性棒材と、前記弾性棒材の挿通孔を有し前記弾性棒材を軸線方向の移動を許容して支持するガイド部材とで構成され、前記ガイド部材の前記挿通孔から突出する前記弾性棒材の端部に検出因子が形成され、前記検出因子は静電体と磁気性金属体で構成され、前記軸線方向の終端面または前記軸線と平行する側面が反射面をなし、
前記検出部は、前記剛性棒材に前記剛性棒材の軸線と直交する方向に力が加えられたとき、前記弾性棒材の前記軸線方向の移動に伴い前記検出因子が離れたことを検出することを特徴とする子局ターミナル。 - 前記検出部は、前記検出因子の終端面に向けて配置される請求項1に記載の子局ターミナル。
- 前記検出部は、前記検出因子の前記側面に向けて配置される請求項1に記載の子局ターミナル。
- 前記伝送手段は、前記共通データ信号線を介して伝送される、スタート信号に続く一連のパルス状信号の1周期毎に順次に割り当てられたアドレスデータを、前記スタート信号を起点としてカウントし、前記アドレスデータが前記自局アドレスデータと一致したとき、前記一連のパルス状信号に重畳された前記制御データを抽出するとともに、前記共通データ信号線に前記監視データ信号を送出する請求項1、2または3に記載の子局ターミナル。
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