Kobold ZOK-E1, Supplementary Operating Instructions

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ZOK-Ex
ZOK-Ex K08/0322 page 9
2. 3-wire 4-20 mA output (ZOK-E3):
The ZOK-Ex device can also be operated in a three-wire 4-20 mA
configuration.
Detailed connection examples with certified safety barrier can be found
in section 12
3. Dosing function / pulse or flow alarm (ZOK-E2 / E5):
In the case of ZOK-E2 / E5 devices, the electronic assembly is equipped with
an additional optocoupler board. This board offers 3 isolated passive
optocoupler outputs for low-flow / high-flow alarm outputs and pulse output.
In the ZOK-Ex versions, the standard connections for pulse and alarm outputs
are deactivated, the signals are only output via the optocoupler outputs. The
status output is not available for ZOK-Ex.