JPS5819912A - X-y controlling device - Google Patents

Abstract

PURPOSE:To simplify the controlling device and make the operation check and the maintenance only with operation inspection of an operation part, by allowing a CPU for command and a CPU for device operation pulse geneator to handshake with each other. CONSTITUTION:The pellet mount work is supposed. A working head 15 causes a CPUII7 to discriminate whether the transfe of a pellet is normal or not through an operation part 14. If the pellet mount is possible, the pellet is transferred to perform the pellet mount. The position of the next pellet is detected by a sensor 13 and is inputted to the CPUII7, and the CPUII7 performs the operation required for movement and transfers the operation result to a CPUI6 through a data signal line 8, and simultaneously, a strobe pulse is inputted to the CPUI6 through a strobe signal line 9. The CPUI6 outputs numbers of pulses corresponding to desired rotational frequency of motors 2 and 3 to driving parts 4 and 5. During this output, information indicating that acceptance is impossible is transmitted to the CPUII7 through a busy signal line 11.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a system configuration of an X-Y control device used in various mechanical devices including line machinery.

Conventionally, drive sources X1dl, Y
The number of revolutions of a stepping motor for shaft movement is controlled using a microcomputer, and σ is becoming increasingly popular in recent years. However, the microcomputer system used for this control device uses a single OPU to set up a coupling circuit for x-y axis movement control and various adjustments of operators and equipment. The equipment has become extremely complex, and the work has been difficult compared to other related equipment in terms of operability and maintainability of the equipment.

This invention is proposed in order to solve the above problem.
The second OPU is coupled to the first OPU, converts signals from the operating unit into data, and performs a handshaking operation with the first OPU. Embodiments of the present invention will be described below with reference to block diagrams.

FIG. 1 is a block diagram of an X-Y table control device showing an embodiment of the present invention. l denotes a stepping motor 2 as a drive source for movement in the X-axis direction and a stepping motor 2 for movement in the Y-axis direction. Stepping motor 3 as a driving source
X-'Y-chi' with :l, 4 e 5td,
0PUj, which drives each stepping motor 2°3 and serves as a controlled section, an X-Y table drive section, and a first CPU that generates control pulses to control the 6-digit X-Y table drive section. , 7 is coupled to 0PUj6 and receives the numerical data signal 11B for control, the strobe signal 9 generated for the purpose of accurately synchronizing with the reference time for driving numerical data, and the numerical data signal from OPU'16. An acknowledge signal to reply that the same mlo and
This 0PUI is equipped with a busy signal line 11 that indicates that the control signal is being transferred to the X-Y table drive section 4.5 and cannot be received. That is, 0PUI and 0
The PUI has a relationship between a talker and a listener via each line 8 to 11, and is designed to perform handshaking at a timing when the listener can listen. Furthermore, when the operator makes arbitrary settings to opam7, the built-in movable contact rotates, and has a circuit switching function similar to a general rotary switch, and has a hardware-based signal control function. This is a digital switch for decoding. 13 is a light receiving sensor, x-y
It detects whether a workpiece (not shown) on table l is in a predetermined position or not, and sends information to 0PU17.It is a combination of multiple common phototransistors (or light-receiving elements such as ODG, etc.). It is something that and 14
is operated by commands from various work heads 15 using the X-Y table control device, and QPUI? This is the operation unit for inputting work commands to the machine.

Here, a specific operation performed using the X-Y table control device configured as described above will be briefly described and the operation will be explained. First, we will assume a pellet mounting operation for a semiconductor device, in which a semiconductor pellet is soldered or fixed onto a substrate. Therefore, the work head 15 in FIG. 1 becomes a single pellet mounter, and first, via the operating section 14, the 0PU 17 determines whether the pellet is properly captured by the transfer tool F or not by mistake. Next, if pellet mounting is possible, the transfer tool immediately transfers the pellet to the mounting position and performs pellet mounting. After that, the sensor 13 detects the position coordinates of the next pellet to be worked on, and when the user inputs the manual input to 0PUI'7, opui7 immediately calculates the coordinate distance necessary to move the transfer tool to the pellet position, and calculates the coordinate distance of the result. The data is the same as the data signal! 8 'tOPUI 6
Transfer to. At this time, the 0PU 17 simultaneously applies a strobe pulse to the 0PU 16 via the strobe signal line 9. Then, 0PU16, according to the numerical data,
The number of pulses corresponding to the desired number of rotations of the stepping motors 2 and 3 is calculated and a pulse signal is output to the XY drive units 4 and 5. In this case, 0P is output while OP U'l 6 is outputting.
Even if the next data is input from Ul'7 via the data signal line 8, the 0PUI6 informs that it cannot be received via the busy signal line 11, and the data is not manually input. The digiswitch 12Fi is provided to allow settings to be changed from the beginning when the work content is different, for example, when the transfer speed of the transfer tool or the dimensional positional relationship of the pellets is different.

From the above explanation, in the above-mentioned '/jX-Y table control device, each highly intelligent 0
PU17 and 0P for the Luz generator that actually operates the equipment.
Since the UI6 performs handshaking, the control device circuit is simpler than the conventional control circuit configuration using one OPU, and the operator only needs to check the operation of the operation section. Able to check and maintain equipment operation. Moreover, the cost of individual OPUs has been reduced significantly at present, and they have the advantage of being cheaper than complex drive control circuits.

In the end, according to this invention, although the functionality is advanced, the system configuration of the device can be simplified, the cost can be reduced, and the device is extremely practical. Points regarding operation and maintenance: 1 FIG. 1 is a block diagram of an x-y table control device showing an embodiment of the present invention.

4.5...Controlled part (x-y table drive part)
, 6...first OPU.

7...Second CPU.

14... Operation section.

Claims (1)

[Claims] A first CPU that sends a control signal to a controlled section is coupled to the first OPU, converts the signal from the operating section into data, and converts the signal from the operating section into data.
A second o which performs handshaking operation with the OPU of
An X-Y control device characterized in that it is provided with pU, 2.