Inter-M ECS-6216S - Manual (Page 7)

Equipment Setup and Inspection
1. Setup
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1) Set the equipment number in accordance with wiring conditions by using rear panel DIP switch.
2) Setup method is shown in below table, and number on the ON switch will be the equipment number.
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Caution: If an equipment number is not set, all zone indicator LEDs will blink.
If the number is already used, communication will not be available.
In the above case, please check the equipment number set-up.
3) Zone allocations of set equipment are as follow.
2. TERMINATION Switch (LOAD/OPEN) Setting
1) For systems linked by RS-485 communication interface, it is necessary to set the termination
switch(LOAD/OPEN) on the rear panel to stabilize data transfer.
2) Set the termination switch to LOAD only for the first and last-numbered equipment units.
All others must be set to OPEN.
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Caution: Communication error may occur if setting is performed incorrectly..