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SPA3-2 installation guide
www.renishaw.com
DC power in (3W3 'D' plug)
The SPA3-2 is powered from an external dc power source through this connector, the dc power cable is supplied with the SPA3-2.
Replacement cables are also available from Renishaw.
Pin number
A1
A2
A3
Power requirements
The SPA3-2 requires 30 W of power to support the controller functions integrated into the unit. This must be factored into the power supply
used.
DC power specification
Voltage 24 V to 80 Vdc
Maximum input current 12 A
WARNING: The SPA3-2 must not be powered directly from the mains.
A single fault tolerant PSU approved to BS EN 60950-1:2006+A2:2013 (or current version) must be used, and connected to a
supply incorporating a protective earth conductor.
Issued 08 2020
Function
0 V
24 V to 80 Vdc
0 V
36
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