OEM OPM223, Operating Instructions Manual

Page: 27 / 104

OPM223/253 Operation
27
5.3 Local Operation
5.3.1 Automatic/manual mode
The transmitter normally operates in automatic mode. Here, the relays are triggered by the
transmitter. In the manual mode, you can trigger the relays using the REL key or start the
cleaning function.
How to change the operating mode:
!
Note!
• The operating mode remains in effect even after a power failure.
• The manual mode has priority over all other automatic functions (Hold).
• Hardware locking is not possible in the manual mode.
• The manual settings are kept until they are actively reset.
• Error code E102 is signalled in the manual mode.
1. The transmitter is in Automatic mode . The top LED beside the
AUTO key is lit.
2. Press the AUTO key. The bottom LED beside the AUTO key
lights up.
3. To enable the manual mode, enter the code 22 via the PLUS
and MINUS keys.
4. Select the relay or the function.
You can use the REL key to switch between the relays. The
relay selected and the switch status (ON/OFF) is displayed on
the second line of the display.
In the manual mode, the measured value is displayed
continuously (e.g. for measured value monitoring for dosing
functions).
5. Switch the relay. It is switched on with PLUS and switched off
with MINUS.
The relay remains in its switched state until it is switched over
again.
6. Press the AUTO key to return to the measuring mode, i.e. to the
automatic mode. All the relays are triggered again by the
transmitter.