Specifications

Chapter 2 Installation and Setup Installation and Operation Manual

2-6 Connecting the Power ASMi-31 Ver. 3.0

2.7 Connecting the Power

Before installing the product, review

Handling Energized Products

at the

beginning of the manual.

The ASMi-31 power inlet can accept either 100 to 240 VAC or -40 to -72 VDC

(-48 VDC nominal) or 24 VDC without changing any settings.

ASMi-31 is supplied with either a straight or 90° angled power connector that is

used for AC or DC power sources. For connection details, see the

DC Power

Supply Connection supplement

included in the supplementary information on the

documentation CD.

 To connect ASMi-31 to an AC power source:

1. Connect an appropriate approved 3-prong AC power connector to the

open-end cable provided with the unit in the following manner:

 Brown wire – Phase

 Blue wire – Neutral

 Yellow/Green wire – Protective earth.

2. Connect the resulting power cable to the power inlet on the ASMi-31 rear

panel.

3. Connect the other end of the cable to the power source.

The unit turns on automatically upon connection to the mains.

 To connect ASMi-31 to a DC power source:

1. Locate and turn off the circuit breaker that supplies the DC branch circuit.

2. Connect the power cable to the power inlet on the ASMi-31 rear panel.

3. Connect the wires to the DC power source in the following order:

 Connect the yellow/green wire to the protective earth bus.

 Connect the brown wire to the positive (usually earthed) pole.

 Connect the blue wire to the negative pole.

4. Switch on the DC power to the branch circuit.

Before switching on this unit and connecting or disconnecting any other cable,

the protective earth terminals of this unit must be connected to the protective

ground conductor of the mains (AC or DC) power cord. If you are using an

extension cord (power cable) make sure it is grounded as well.

Any interruption of the protective (grounding) conductor (inside or outside the

instrument) or disconnecting of the protective earth terminal can make this unit

dangerous. Intentional interruption is prohibited.

Warning

Note