Panasonic WJ-MPS850 manual

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Table of contents for the manual

  • Page 1

    -1- Before attempting to connect or operate this product, please read these instructions carefully and save this manual for future use. CPU Switch Unit Model No. WJ-MPS850 The serial number of this product may be found on the rear of the unit. You should note the serial number of this unit in the space provided and retain this book as a permanent r[...]

  • Page 2

    -2- ■ General The CPU Switch Unit is designed to switch over the redundant (Duplicate) CPU system, automatically or manually for maintenance reasons. This unit will always diagnose both CPUs condition and judge which CPU must be active. Diagnostic tables and judgment logic are designed with flexible architecture which makes it possible to customi[...]

  • Page 3

    -3- q Operate Indicator (OPERATE) Is on when the power of the WJ-MPS850 CPU Switch Unit is turned on. Note: The power switch of the CPU Switch Unit is located underneath the front panel. Remove the front panel by removing four screws on the panel. w CPU Mode Selector (A / AUTO / B) LEDs in the buttons indicate the selected mode of the CPU Switch Un[...]

  • Page 4

    -4- ■ Connections ● Connection with the Main CPUs Connect with the Main CPUs A and B as shown in the figure. • Connect RS-485 modular cables between controller ports (RS-485) of the CPUs and controller ports (RS- 485) of this unit. • Connect diagnostic cables between parallel ports of the CPUs and diagnostic input ports of this unit. • Se[...]

  • Page 5

    -5- ■ Operations Power on CPU Switch Unit first. The power switch of this unit is located underneath the front panel. Remove the front panel by removing the 4 screws on the panel. The CPU Switch Unit has a default setting: the A CPU is the active CPU. After powering on this unit, the "A" button will be on and the "B" button wi[...]

  • Page 6

    -6- ■ Specifications Power Supply: 120 V AC 60 Hz Power Consumption: 11 W System Controller Ports: RS-485; 6-conductor modular jack (x36) Peripheral Interface Ports: RS-232C; 9-pin D-sub connector (x9) Diagnostic Input Ports: 9-pin D-sub connector (x2) Ambient Operating Temperature: –10°C - +50°C (14°F - 122°F) Ambient Operating Humidity: L[...]

  • Page 7

    NM1000-0 V8QA5632AN Printed in Japan N 19 2000 © Matsushita Communication Industrial Co., Ltd. All rights reserved. Panasonic Canada Inc. 5770 Ambler Drive, Mississauga, Ontario, L4W 2T3 Canada (905)624-5010 Panasonic Sales Company Division of Matsushita Electric of Puerto Rico Inc. Ave. 65 de Infanteria. Km. 9.5 San Gabriel Industrial Park, Carol[...]