ABB SACE Tmax XT2 User Manual page 132

Interface The module has three signalling LEDs:
Figure 31
LED
Power
Rx
Tx
Configurations Resistances can be linked to bus RS-485, configuring dip switches located on the side of the
module:
Figure 32
Resistances
Rterm
Rpol
1SDH002031A1002 ECN000092998
Description
Reports ON status and correct communication with Ekip Touch:

off: module off

fixed or flashing light synchronized on power LED of Ekip Touch: module ON
and communication with Ekip Touch present

flashing not synchronized with power LED of Ekip Touch (two fast flashes
per second): module ON and communication with Ekip Touch absent
Indicates the status of the communication between the network master and the
module (slave):

off: Modbus RTU communication not active

on with fast flashing: Modbus RTU communication active
Indicates the status of the communication between the network master and the
module (slave):

off: communication between Modbus RTU not active

on with fast flashing: Modbus RTU communication active
Dip switch
1 and 2
3 and 4
IMPORTANT: move the dip-switches before connecting to Ekip Supply module
and to the communication network
Rev. B
Description
Termination resistance 120 
Move dip switches 1 and 2 to ON position to
connect Rterm
200 pull-up or pull-down resistance 
Move dip switches 3 and 4 to ON position to
connect Rpol
Default
Off
Off
SACE Tmax XT2 – XT4 | 132