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2. WIRING
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MC-3010A/3020D/3030D
This paragraph shows how to set the MC-ANLG Board (24P0115, for MC-3010A),
MC-DIN Board (24P0116, for MC-3020D) and MC-DOUT Board (24P0117, for MC-
3030D).
Rotary switch: Use the rotary switch (U18) to set the MODBUS address with a digit
of number from “0”. When multiple sensor adapters are connected to the MC-3000S,
the same number cannot be used among them. (It is allowed to use the same number
between the MC-3000S and a sensor adapter.)
Jumper block
Use the jumper block J25 to set the termination resistor on/off for the MODBUS com-
munication on the connector J1. For the first and last sensor adapter in a series, their
termination resistors should be set to ON. If not, communication between sensor
adapters is not possible.
Jumper block J25 Connector J1
1-2 OPEN Termination resistor: ON (default setting)
2-3 SHORT
1-2 SHORT Termination resistor: OFF
2-3 OPEN
U18
U18
U18
J25
J25
J25
J3
J4
J5
MC-ANLG Board (24P0115)
MC-DIN Board (24P0116) MC-OUT Board (24P0117)