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If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired.

There are no user serviceable parts inside the equipment.

The PI 7-3 probe interface is to be used with the provided PSU - Emerson DP4024N3M. See manufacturer's datasheet at

PSU electrical ratings
Supply voltage
100 V to 240 Vac +10%, -10%
Frequency range
50 Hz to 60 Hz
Power consumption
6 W max
Transient voltages
Installation category II
NOTE: For PI 7-3 controller ratings refer to section 'Power supply'.

The PI 7-3 is isolated from ac power by disconnection of the IEC mains connector from the supplied PSU. If any additional means of isolation is required , it must be specified and fitted by the machine manufacturer or installer of the product. The isolator / disconnection device must be sited within easy reach of the operator and comply with any applicable national wiring regulations for the country of installation.