Communication Connections
Digital output 2 / current output 2 return
Digital output 2 (open collector) / current
output 2
Digital output 1 / current output 1 return
Digital output 1 (open collector) / current
output 1
Frequency output 2 (return)
Frequency output 2 (open collector)
Frequency output 1 (return)
Frequency output 1 (open collector)
Serial port 2 RS232 receive / RS485 B
Serial port 2 RS232 ground
Serial port 2 RS232 transmit / RS485 A
Serial port 1 RS232 receive / RS485 B
Serial port 1 RS232 ground
Serial port 1 RS232 transmit / RS485 A
Table 6: Field Terminal Board, TB3
TB3 is factory set according to Elster’s standard settings (see Table 7
below), unless for a specific order other settings have been agreed upon.
The user can change the settings using the SonicExplorer software through
a network connection. See Chapter 5.1 Network (TB2 and J4) (p.14) for
more information.