Page 194 - Sace Emax 2 Manual for design engineers

ABB | SACE Emax 2
Interface the module has three signaling leds:

Figure 123
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 124

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

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

192 | © 2020 ABB | 1SDH001330R1002 - ECN000134959 - Rev. A External electronic accessories | 2 - Ekip Com Modbus RTU