ABB | SACE Tmax XT
External accessories | 4 - Ekip Com Modbus RTU133 | © 2019 ABB | 1SDH002039A1002 - ECN000093027 - Rev. A
Interface
the module has three signaling leds:
Figure 40
LEDs Description
Power
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
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.
Rx
Indicates the status of the communication between network master and module (slave):
• off: Modbus RTU communication not activated
• on with fast flashes: Modbus RTU communication activated
Tx
Indicates the status of the communication between network master and module (slave):
• off: communication between Modbus RTU not activated
• on with fast flashes: Modbus RTU communication activated
Configurations
ON
1 2 3 4
Figure 41
Resistor Dip Description Default
Rterm 1 and 2
120 Ω termination resistor
Move dip-switches 1 and 2 to the ON position to connect
Rterm
Off
Rpol 3 and 4
220 Ω pull-up or pull-down resistor
Move dip-switches 3 and 4 to the ON position to connect
Rpol
Off
IMPORTANT: move the dip-switches before connecting the module to Ekip Supply
and the communication network
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