FC-20 basic input, output, power, and serial device wiring setup - EasyIO - LIT-12014270 - EASYIO-FC-20 - EasyIO FC-20 Controller

FC-20 Quick Start Guide

Product name
EasyIO FC-20 Controller
Document type
Quick Start Guide
Document number
LIT-12014270
Document revision
1.0
Revision date
2024-02-14
Product status
Active
Figure 1. FC-20 wiring guide
Callout Description
1 Power input, 24 VAC or 24 VDC
2 Digital output wiring
3 Current-controlled VSD
4 Voltage-controlled actuator
5 Supervisory device
6 Current transmitter, 0 mA to 20 mA or 4 mA to 20 mA
7 Voltage transmitter, 0 V to 10 V or 0 V to 5 V
8 Dry contact input
9 Thermistor, resistance temperature director, or potentiometer
Note: If you configure the controller as a subordinate device and it is at the end of a daisy chain, install a 120 ohm resistor in parallel with the RS-485 terminal.
Figure 2. 24 VAC Class 2 transformer power input
Callout Description
1 20 AWG copper stranded wire
2 Controller
3 H terminal
4 G terminal
Figure 3. AO wiring
Callout Description
1 Field device
2 22 AWG copper stranded twisted wire up to 100 m in length
3 Controller
4 Analog output (AO) terminal
5 COM terminal
Figure 4. DO wiring
Callout Description
1 Field device
2 20 AWG copper stranded twisted wire up to 100 m in length
3 DO terminal
4 COM terminal
5 Controller
Figure 5. UI voltage mode wiring isolated
Callout Description
1 Field device
2 Power supply
3 Controller
4 UI terminal
5 COM terminal
6 22 AWG copper stranded twisted wire up to 100 m in length
7 COM terminal
8 OUT terminal
Figure 6. UI current mode wiring in loop
Callout Description
1 Field device
2 Power supply
3 Controller
4 COM terminal
5 UI terminal
6 22 AWG copper stranded twisted wire up to 100 m in length
Figure 7. UI resistance mode
Callout Description
1 22 AWG copper stranded twisted wire up to 100 m in length
2 Controller
3 UI terminal
4 COM terminal
Figure 8. UI digital dry contact input
Callout Description
1 Field device
2 22 AWG copper stranded twisted wire up to 100 m in length
3 Controller
4 UI terminal
5 COM terminal
6 Dry contact, normally open or normally closed as required