ABB WaterMaster FET100 - Output and Communication Connections

WaterMaster FET100
Electromagnetic floweter | Transmitter 3 Electrical Installation
OI/FET100–EN Rev. A 13
3.5 Output Connections
3.5.1 Frequency Outputs
Caution.
 Inductive loads must be suppressed or clamped to limit voltage swings.
 Operation of outputs is programmable.
 External isolators are not normally required as the pulse and alarm circuit is electrically separated
from all other WaterMaster connections.
Fig. 3.6 Frequency Output Connections
Note. Outputs 1 and 2 are polarity sensitive. The common (negative) connection for these outputs is
designated 'COM'.
XX XX 42
52
62
41 51 61XX XX
PLC or Datalogger
COM
O/P1 O/P2
Terminal connection IDs are
HART- / PROFIBUS-variant
dependent