ABB REF542plus Installation And Commissioning Manual page 18

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Operator's manual (104 pages)

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Table of Contents

Note

Caution

1VTA100004-en

REF 542plus switchbay protection and control unit

Manual Part 3: Installation and Commissioning

Table 2: Connectors on Central Unit

Connector

Descriptions

X10

Auxiliary voltage for power supply

X20

Binary Inputs of the 1

X21

Binary outputs of the 1

X30

Binary Inputs of the 2

X31

Binary outputs of the 2

X40

Binary Inputs of the 3

X41

Binary outputs of the 3

X50

Analog output

X70

Ethernet interface (full version)

X71

CAN interface (full version)

X72

RS232 interface

X73

RS485 interface

X74

IRIG-B interface (full version)

X75

Fast I/O inputs (full version)

X76

Fast I/O outputs (full version)

X77

Fast I/O inputs (full version)

X80

Analog inputs (from CT and/or VT)

X81..88

Analog input (sensor channel 1..8)

Table 3: Connectors on Central Unit for SPABUS connection, electrical RS232 (modified)

Connector

Descriptions

X60

RS232 (modified)

The RS232 connector, modified and galvanic isolated, can be applied to connect to a

LON/SPA gateway.

Table 4: Connectors on Central Unit for SPABUS connection, plastic fiber optical cable

Connector

Descriptions

X60

TX (optical interface)

X61

RX (optical interface)

The cable length for SPABUS connection with plastic fiber optical cable should

not exceed 30 m

DMS,2001-10-04

Type of connector plug

3 pin Weidmueller female BLAT3BSNOR

+ fixing set SLABB2RORSET

BIO