Control Wiring; Control Terminal Connections; Rj45 Data Connection - ABB ACS255 User Manual

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6. Control Wiring

6.1. Control Terminal Connections

Default Connections

6.2. RJ45 Data Connection

For MODBUS RTU register map information
please refer to page 44
When using MODBUS control the Analog and
Digital Inputs can be configured as shown in
section 9.1.3
Control Terminals
1 +24V +24V Output
2 DI1 Digital Input 1
3 DI2 Digital Input 2
Digital/Analog
4 DI/AI 3
Input 3
5 +10V +10V Output
Digital/Analog
6 DI/AI4
Input 4
7 COM 0V
Analog Output /
8 AO
Digital Output
9 AGND 0V
10 ROC Relay Common
11 RNO Relay Contact
Description
+24V, 100mA.
Positive logic
"Logic 1" input voltage range: 8V ... 30V DC
"Logic 0" input voltage range: 0V ... 4V DC
Digital: 8 to 30V
Analog: 0 to 10V, 0 to 20mA or 4 to 20mA
+10V, 10mA, 1kΩ minimum
Analog: 0 to 10V, 0 to 20mA or 4 to 20mA
Digital: 8 to 30V
User ground connected to terminal 9
Analog: 0 to 10V, 20mA maximum
Digital: 0 to 24V
User ground connected to terminal 7
Contact 255Vac, 6A / 30Vdc, 5A
1
2
3
4
5
6
7
8
No Connection
No Connection
0 Volts
-RS485 (PC)
+RS485 (PC)
+24 Volt
-RS485 (Modbus RTU)
+RS485 (Modbus RTU)
Warning:
This is not an Ethernet
connection. Do not connect
directly to an Ethernet port.