Page 127 - MCCB-XT2-XT4

ABB | SACE Tmax XT

Interface the module has three signaling leds:

Figure 29
LEDs 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

Configurations
ON

1 2 3 4

Figure 30

Resistor Dip Description Default
120 Ω termination resistor
Rterm 1 and 2 Move dip-switches 1 and 2 to the ON position to Off
connect Rterm
220 Ω pull-up or pull-down resistor
Rpol 3 and 4 Move dip-switches 3 and 4 to the ON position to Off
connect Rpol

IMPORTANT: move the dip-switches before connecting the module to Ekip Supply and
the communication network

125 | © 2022 ABB | 1SDH002031A1002 - ECN000212994 External electronic accessories | 4 - Ekip Com Modbus RTU