MP Systems AK CB20, Installation, Operation & Maintenance Manual

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18 MPSYSTEMS-M-001/06
6.3.3. Control Signal Harness Installation
1. Mount supplied control signal harness with hardware provided in installation kit and route
cable;

Make sure R Series signal cable is able to reach mounted control signal harness.

If 1/2” conduit plug is not available, knock out hole and use supplied cord grip.

Be sure to leave enough cable to properly earth the unit.

Attach supplied jumper plug to control signal harness, using supplied zip tie.
If unit must be disconnected from machine tool, install supplied jumper plug to control
signal harness. This will allow machine tool to operate normally without alarm.
2. Wire signals required for desired pump function (R Series electrical diagrams are located in
electrical cabinet);

MP SYSTEMS utilizes 24VDC signals for control.
i. 110VAC signals, relays will need to be installed.

Signals and M-Codes may vary between machine tools.
i. Please refer to machine tool electrical drawings booklet.

External M-Codes may require latching functions.

‘Normally Closed’ alarms are typically wired in SERIES with machine tool low pressure
pumps.

‘Normally Open’ alarms are typically wired in PARALLEL with machine tool low
pressure pumps.
3. Locate proper earthing point. Attach using supplied ring terminals.
MP SYSTEMS recommends the use of the ‘Normally Closed’ alarm circuit when wiring in
to machine tool electrical cabinet.
When wiring control signals, be sure to take account of any accessories that were
purchased with R Series. Dual Pressure (DP), RC Chiller (RC), Variable Pressure, etc.