3
2. Power Supply Cable Connection 3-3
Installation
2. Power Supply Cable Connection
Power Supply Cable Connection
Connect the power supply cable to the terminal on the backside of the unit.
Cable Specifications
For information on the tightening torque of the screws on the terminal block, refer to the following table.
When Using Bare Cables
When Using Ferrules
* Select a ferrule according to the cross section area (diameter) of the power cable.
DANGER
Electric shock hazard
Shut the power off before connecting the power supply cable.
Tightening Torque 0.5 to 0.6 N•m (5 to 6 kgf•cm)
Recommended Screwdriver SZS 0.6 × 3.5 (Phoenix Contact)
Power supply
24 VDC ± 10 %
Grounding
CAUTION
• Do not solder the end sections of power cable wires. Soldering may result in bad
electrical contacts.
• When using stranded wire for the power cable, make sure the strands are
sufficiently twisted.
Failure to do so may cause shorting between stray strands or adjacent electrodes.
Cable Size
Power supply cable: AWG 18 to AWG 14, twisted/single (1.0 to 1.6 mm diameter)
Frame ground (FG): AWG 20 to AWG 14, twisted/single (0.8 to 1.6 mm diameter)
Wire Length
Recommended Ferrule (Pin type)* Phoenix Contact
AI 0.75-6 GY
AI 1-6 RD
AI 1.5-6 BK
Recommended Crimping Tool Phoenix Contact CRIMPFOX 6
6.5 mm
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