Installation
8/05 DC1010/1020/1030/1040 Product Manual 11
2.5 Wiring
2.5.1 Electrical Considerations
Precautions
The controller is considered “rack and panel mounted equipment” per EN61010-1, Safety
Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use,
Part 1: General Requirements. Conformity with 72/23/EEC, the Low Voltage Directive
requires the user to provide adequate protection against a shock hazard, The user shall
install this controller in an enclosure that prevents the OPERATOR access to the rear
terminals.
Mains Power Supply
This controller is suitable for connection to 100-240 Vac, 50/60 Hz or 15-50 Vdc, power
supply mains. It is the user’s responsibility to provide a switch and non-time delay (North
America), quick-acting, high breaking capacity, Type F(Europe), 1/2A, 250V fuse(s) or
circuit breaker for 100-240Vac operation as part of the installation. The switch or circuit-
breaker should be located close to the controller, within easy reach of the operator. The
switch or circuit-breaker should be marked as the disconnecting device for the controller.
When applying power to multiple instruments, make sure that sufficient current is
supplied. Otherwise, the instruments may not start up normally due to the voltage drop
caused by the in-rush current.
Applying 100-240Vac to a controller rated for 15-50Vdc will severely damage
the controller and is a fire and smoke hazard
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