ABB SACE Emax 2 Series Operating Instructions Manual page 217

Interface the module has three signaling leds:
Configurations
214 | © 2023 ABB | 1SDH001330R1002 - ECN000297030
Figure 126
LED Description
Signals the on status and correct communication with Ekip Touch:
• Off: module off
• on steady or flashing synchronized with the Power led of Ekip Touch: module on and
Power
communication with Trip unit present.
• flashing not synchronized with the Power led of Ekip Touch (2 fast flashes per
second): module on and communication with Trip unit absent
Indicates the status of the communication between network master and module
(slave):
Rx
• off: Modbus RTU communication not activated
• on with fast flashes: Modbus RTU communication activated
Indicates the status of the communication between network master and module
(slave):
Tx
• off: communication between Modbus RTU not activated
• on with fast flashes: Modbus RTU communication activated
Figure 127
Resistor Dip
Rterm 1 and 2
Rpol 3 and 4
IMPORTANT: move the dip-switches before connecting the module to Ekip Supply and
the communication network
Description
120 Ω termination resistor
Move dip-switches 1 and 2 to the ON position to
connect Rterm
220 Ω pull-up or pull-down resistor
Move dip-switches 3 and 4 to the ON position to
connect Rpol
ABB | SACE Emax 2
ON
1 2 3 4
Default
Off
Off
External electronic accessories
2 - Ekip Com Modbus RTU