7ML19985QJ83
Pointek CLS100 – QUICK START MANUAL
Page EN-11
Englis
h
Protection Diodes
Always use a protection diode when driving an external relay with the solid state switch
or relay contact. This prevents possible switch damage due to inductive spikes generated
by the relay coil.
Orient the diode based on the current flow.
DC circuit with Protection Diode
enclosure version – see
page 7 for integral cable
equivalents.
external relay
protection diode
(customer supplied)
DC
CLS100 controlling the high side of the external relay
(output acts like pnp transistor switch)
CLS100 controlling the low side of the external relay
(output acts like npn transistor switch)