ABB RELION REX640 - 13.3 Arc sensor interface

Table 1661: Station bus communication interfaces included in communication
modules
Module ID RJ-45 LC EIA_485 ST
COM1001 3 – – –
COM1002 1 2 – –
COM1003 – 3 – –
COM1004 2 – 1 1
COM1005 – 2 1 1
13.3 Arc sensor interface
Light sensor input connections for the arc protection are available on the optional
hardware module in Slot A1. The module supports connection of up to four sensors.
The sensors can be lens or loop types or a free mixture.
X11
X12
X13
X14
Light sensor input 1
Light sensor input 2
Light sensor input 3
Light sensor input 4
ARC1001
Slot A1
Slot A1
Slot A1
Slot A1
Figure 1035: ARC module
The ARCSARC function must be instantiated in the application configuration to
enable the sensor inputs.
Protection relay's physical connections
1MRS759142 F
1938 REX640
Technical Manual