Output Connections; Frequency Outputs - ABB WaterMaster FET100 User Manual

WaterMaster FET100
Electromagnetic floweter | Transmitter

3.5 Output Connections

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.

3.5.1 Frequency Outputs

Terminal connection IDs are
HART- / PROFIBUS-variant
dependent
Fig. 3.6 Frequency Output Connections
Note. Outputs 1 and 2 are polarity sensitive. The common (negative) connection for these outputs is
designated 'COM'.
OI/FET100–EN Rev. A
PLC or Datalogger
XX XX XX XX 42 41 51 61
52
62
COM O/P1 O/P2
3 Electrical Installation
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