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3.5.3 Status Indicators
Power:
RS485 Rx:
RS485 Tx:
Flashes to indicate the CPU is running.
Flashes to indicate the unit has received a valid Modbus message.
Flashes to indicate the unit has sent a Modbus message.
Input Status:
“ON” when the input is zero.
“OFF” when the input is greater than zero and less than 4095.
“Flashing” when the input is over range, greater or equal to 4095
RS485 Rx
Power
RS485 Tx
Input Status
1-8
Switch 1
Switch 10
3.5.4 Wiring
The following diagram shows how the analog inputs are connected to a 0(4)-20mA source. All
of the common terminals are connected together, and are connected to 0V internally.
+24Vdc
+
Two Wire Transmitter
0(4)-20mA
-
Input 1
Common
Input 2
Common
Current Source
0(4)-20mA
Input 3
Common
Input 4
+
Common
Input 5
-
Sensor
Common
Input 6
Common
+24Vdc
Input 7
Common
Input 8
Common
+V
0V/Common
+12-24Vdc
0Vdc
33