Download User Manual

Tixi Alarm Editor
5.2.12
Manual
Modbus ASCII at RS232
Devices supporting the Modbus-ASCII protocol may be connected to the COM1 or COM2 (RS232) interface of
the Alarm Modem.
This requires the following parameters to be set within the [Modem-PLC Connection] module:
Baud Rate
Select the transmission rate between Alarm Modem and
PLC here. We recommend 19200 baud.
Handshake
Leave this at "(None)".
Dataformat
Select the data format for serial transmissions here.
Subsequently, click the [Configure Stations...] button and open up the existing station by double-clicking it. Here you may define settings which apply to the specific PLC station:
Station Name
Enter a name for this
PLC station here.
Station ID
Enter the station ID here,
which must match the
one set inside the PLC.
Polling Rate
Enter the interval here at which the Alarm Modem queries the PLC. Type a number, followed by s (seconds),
m (minutes) or h (hours). Conditional upon performance, the actual polling rate may vary.
5.2.13
Modbus ASCII at RS485
Devices supporting the Modbus-ASCII protocol may be connected to the COM2 (RS485/422) interface of the
Alarm Modem.
This requires the following parameters to be set within the [Modem-PLC Connection] module:
Baud Rate
Select the transmission rate between Alarm Modem and
PLC here. We recommend 19200 baud.
Handshake
Choose from 2-wire (halfduplex) or 4-wire (fullduplex) here.
Dataformat
Select the data format for serial transmissions here.
Subsequently, click the [Configure Stations...] button and open up the existing station by double-clicking it. Here you may define settings which apply to the specific PLC station:
Station Name
Enter a name for this
PLC station here.
Station ID
Enter the station ID here,
which must match the
one set inside the PLC.
Polling Rate
Enter the interval here at which the Alarm Modem queries the PLC. Type a number, followed by s (seconds),
m (minutes) or h (hours). Conditional upon performance, the actual polling rate may vary.
26/58