Page 54
REM 543 Protection,
Monitoring and Control
Technical Reference Manual
Part 1, General
ABB Network Partner
The binary inputs and outputs (contacts) of the machine terminal are connected to the
multi-pole connector X4.1... X5.2. The auxiliary power supply is connected to the ter-
minals X4.1:1 (plus polarity) and X4.1:2 (minus polarity). The machine terminal self-
supervision output IRF is linked to the terminals X4.1:3, X4.1:4 and X4.5:3.
Protective earth is connected to the screw marked with the earth symbol.
The connectors are designated according to the module slot in the REM 543 machine
terminal.
Connector
Description
X1.1
connector for transformer inputs (current and voltage transformers) (mod-
ule slot 1)
X2.1
connector for sensor input 8 (slot 2)
X2.2
connector for sensor input 7 (slot 2)
X2.3
connector for sensor input 6 (slot 2)
X2.4
connector for sensor input 5 (slot 2)
X2.5
connector for sensor input 4 (slot 2)
X2.6
connector for sensor input 3 (slot 2)
X2.7
connector for sensor input 2 (slot 2)
X2.8
connector for sensor input 1 (slot 2)
X3.1
not used, reserved for future purposes (slot 3)
X3.2
not used, reserved for future purposes (slot 3)
X3.3
connector for RS-485 interface (slot 3)
X4.1
upper connector for combined I/O and power supply module PS1 (slot 4)
X4.2
lower connector for combined I/O and power supply module PS1 (slot 4)
X5.1
upper connector for I/O module BIO1 (slot 5)
X5.2
lower connector for I/O module BIO1 (slot 5)
X6.1
not used, reserved for future purposes (slot 6)
X6.2
not used, reserved for future purposes (slot 6)
X7.1
not used, reserved for future purposes (slot 7)
X7.2
not used, reserved for future purposes (slot 7)