ABB REF542plus Installation And Commissioning Manual page 19

Caution
Caution
Caution
Caution
1VTA100004-en
REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
Table 5: Connectors on Central Unit for SPABUS connection, glass fiber optical cable
Connector Descriptions
X60 TX (optical interface)
X61 RX (optical interface)
The cable length for SPABUS connection with glass fiber optical cable should
not exceed 1000 m
Table 6: Connectors on Central Unit for LON per LAG 1.4 respectively IEC 60870-5-103
Connector Descriptions
X60 TX (optical interface)
X61 RX (optical interface)
The cable length for LON (per LAG 1.4) connection with glass fiber optical ca-
ble should not exceed 2000 m
Table 7: Connectors on Central Unit for MODBUS RTU, electrical RS485
Connector Descriptions
X60 RS485 channel 1
X61 RS485 channel 2
To connect to the upper level automation system with MODBUS RTU a twisted
pair cable shall be used. If the cable is shielded, connect only one side of the
shield to the earth screw of the housing. The maximum baud rate is 115000
bit/s. The cable length should not exceed 130 m
Table 8: Connectors on Central Unit for MODBUS, glass fiber optical cable
Connector Descriptions
X62 RX channel 1 (optical interface)
X63 TX channel 1 (optical interface)
X64 RX channel 2 (optical interface)
X65 TX channel 2 (optical interface)
The maximum baud rate is 115000 bit/s with glass fiber optical cable. Its length
should not exceed 2000 m
DMS,2001-10-04
Type of connector plug
ST plug HITRONIC ST-125
ST plug HITRONIC ST-125
Type of connector plug
ST plug HITRONIC ST-125
ST plug HITRONIC ST-125
Type of connector plug
2pin Weidmueller BLAT2BSNOR
2pin Weidmueller BLAT2BSNOR
Type of connector plug
ST plug HP type HFBR *XS*
ST plug HP type HFBR *XS*
ST plug HP type HFBR *XS*
ST plug HP type HFBR *XS*
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