JPH01194719A - Centralized controller for controlling maintenance operation controller of duplicate constitution - Google Patents

Abstract

PURPOSE:To shorten the transmission time of a signal and to omit a logic required to decide a transmission destination equipment at every transmission of the signal by controlling a duplicated maintenance operation controller by connecting a switch circuit. CONSTITUTION:When the signals from the maintenance operation controllers 103 and 104 are received at a centralized controller 101, a reception processing is started up, and a received signal is analyzed according to a constant format. Next, it is judged whether or not the maintenance operation controller connected to the switch circuit 102 at present is the one of a waiting system. And when it is the one of the waiting system, the switch circuit 102 is switched. Meanwhile, in case of transmitting the signal from the centralized controller 101, a transmission processing is started up. In the case, the centralized controller 101 edits the signal according to a transmission format, and sends it to a signal line for communication.

Description

Detailed Description of the Invention (Field of Industrial Application) The present invention relates to the improvement of a centralized control device that controls all of the maintenance and operation management equipment with a duplex configuration, and particularly relates to the improvement of a centralized management device that controls all of the maintenance and operation management equipment that has a duplex configuration, and particularly relates to a centralized management device that controls all of the maintenance and operation management equipment that has a duplex configuration. Regarding the control method of the device.

(Prior Art) Conventionally, this type of central control device can be connected to a duplex maintenance operation management device via a time division multiplexing device, and in order to transmit signals from the central control device, A time division multiplexing device that specifies the receiving device each time it is transmitted? It was sending signals through.

(Problem to be solved by the invention) As mentioned above, the following is the conventional control method of the central management device.

It is necessary to send all the signals after adding the data specifying the device of the signal transmission destination to the time division multiplexer.
Therefore, it has the disadvantage that it takes a long time to transmit. More destinations? The drawback is that it requires logic to make the decision and must be analyzed every time it is transmitted.

An object of the present invention is to eliminate the above-mentioned drawbacks by connecting duplicated maintenance operation management devices using a switch circuit and selecting the maintenance operation management device using a switch control method.
Sending time? Can it be shortened and the destination decision logic? It is an object of the present invention to provide a centralized management device that controls all of the maintenance operation management devices with a redundant configuration configured so that analysis is not necessary.

(Means for Solving Problem ') A central control device that controls all of the maintenance and operation management devices with a duplex configuration according to the present invention has a signal receiving section for receiving signals from each maintenance and operation management device, and a switch circuit that operates the control device. Switch circuit control unit and instructions from conservation staff? It consists of a signal transmitter for sending to the maintenance operation management device.

The signal receiving unit analyzes the signals received from the maintenance and operation management equipment in the duplex configuration, determines whether the maintenance and operation management equipment that has sent all the relevant signals is the active system or the standby system, and then restarts the operation. If it is a system, keep the switch circuit connected to the maintenance operation management device as it is, and if it is a standby system, use the above switch circuit? Activate the switch circuit control unit to switch to the operating side.

The activated switch circuit control section sends an operation instruction to the switch circuit to switch the line to be connected when the standby system is selected.

In the signal transmitter, since the connection to the device is made directly by the switch circuit, it is sufficient to transmit the signal from the line to which all the signals are connected, without having to distinguish between the active system and the standby system.

(Example〕 Next, what about the drawings of this invention? Refer to and explain.

FIG. 1 is a block diagram showing an embodiment of the connection of a central management device that controls a maintenance operation management device with a duplex configuration according to the present invention. In FIG. 1, 101 is a central management device, 102 is a switch circuit, 103 and 104 are maintenance management devices, and 105 is a data communication network.

In FIG. 1, redundant maintenance operation management devices 1o3 and 10 connected to a data communication network 105 are shown.
4 is connected to the central management device 101 via a switch circuit 102.

In the initial state, the switch circuit 102 is connected to the maintenance operation management device 103, and sends a signal tone to the central management device 101 indicating whether the maintenance operation management device 103 is an active system or a standby system. When the received signal indicates that the system is on standby, the central control device 101 sends a signal for switching the switch circuit 102 to the switch circuit 102 through seven signal lines 107 and one communication signal line 106 for maintenance, operation and management. Connect to device 104.

Next, the internal details of the central management device 101 will be explained.

Figure @2 is a block diagram showing details of the central management device shown in Figure 1. 2 In FIG. 2, 201 is a signal transmitter, 202 is a signal receiver, and 203 is a switch circuit controller.

The signal transmitter 201 receives an instruction from a maintenance worker, converts the signal into a signal format that can be transmitted to the device, and transmits the signal to the maintenance operation management device. Signal receiving section 202
receives and analyzes signals from the maintenance operation management devices 103 and 104. The switch circuit control unit 203 uses the signal reception unit 202 to control the operation system/operation system of the maintenance operation management devices 103 and 104.
When the analysis regarding the standby system is performed, the signal receiving unit 202
, and controls the switching of the switch circuit 102.

FIG. 3 is a flowchart illustrating one or more operations. The third quotient (a3 indicates reception processing), and FIG. 3(b) indicates transmission processing.

In FIG. 3(a), the maintenance operation management device 103゜10
Signal from 4? When received, the reception process is activated and the received signal? Parse according to a certain format. Next, it is determined whether the device currently connected to the switch circuit 102 is a standby system. If it is a standby system, the switch circuit 102 is switched.

On the other hand, when transmitting all signals from the central control device 101, the transmission process shown in FIG. It is sent to the maintenance operation management device!103,1 (L4 is already connected to the active system by the switch circuit 102, so the destination device is determined within the central control device 101 at the time of transmission. do not have to.

(Effects of the Invention) As explained above, the present invention shortens the signal transmission time by connecting and controlling the redundant maintenance operation management device using an open switch circuit, and each time a signal is transmitted, The effect is that the logic required to determine the destination device can be omitted.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing an embodiment of the connection of a central management device for controlling a maintenance operation management device of a duplex S configuration according to the present invention. FIG. 2 is a block diagram showing a detailed embodiment of the central management device shown in FIG. FIG. 3 is a flowchart showing the operation of the central management device shown in FIG. 101... Central management device 102... Switch circuit 103. 104... Maintenance operation management device 105... Data communication network 201... Signal transmitting section 202... Signal receiving section 203... Switch circuit Control unit 106.107.1061. 1062...Signal line patent applicant NEC Corporation agent Patent attorney Jusai Inoro 1; +1'F 22'2 Figure 23 (a) (1))

Claims (1)

[Claims] It analyzes the signal received from the maintenance operation management device in the duplex configuration, determines whether the maintenance operation management device that sent the signal is the active system or the standby system, and if it is the active system, the above-mentioned a signal receiving unit for instructing to keep the switch circuit connected to the maintenance operation management device as it is and to switch the switch circuit to the operating side if the standby system is selected; A switch circuit control section that is activated by an instruction from the signal reception section and sends a connection switching operation instruction to the switch circuit, and a signal transmission section that sends the signal to the switch circuit. A central management device for controlling a maintenance operation management device having a redundant configuration.