Connection; Main Unit Power Wiring; Wiring Precautions - Omron WE70-AP Operation Manual

2-2. Connection

For connecting the antenna and the antenna extension cable, see "2-1 Installation" (P 2-1).

■ Wiring Precautions

• Signal lines and power lines must be separated to avoid influence of noise.
• Do not lay cables close to antennas.
• Wiring must be done while power is off.
• Use a pin terminal or a cable for connection as shown below.
10 to11 mm
Stripping Length
AWG 16 12 Solid Wire UL Listing
AWG 22 14 Stranded Wire JIS
A pin terminal must be clamped with an appropriate tool based on its size.The tip of a wire must be cut in the
same length as the pin terminal or 0.5mm longer.A whisker must not exist, and a pin terminal must not be
broken.
Correct
0 to 0.5 mm
Incorrect
Insufficient Stripping Length
Whisker
• Plug the pin terminal into the power terminal block to the end.Fix wiring close to its connector so that a
cable should not apply load to the connector due to its twisting or weight.
• A pin terminal must be unplugged while inserting a flat-head screw driver as shown below.
Plugging

■ Main Unit Power Wiring

Power of the wireless unit is 24VDC.
A wireless unit requires 24VDC power supply.
Use a power source of 15W or higher, taking
inrush current on startup into account.
Omron's switching power supply is recommended.
See "Option" of "Appendix", "Power Supply" (P.Appendix-3).
And, it power is supplied from the battery supply via the DC-DC converter.
24V
• This unit needs to be installed under local regulations.
• This unit is intended to be supplied by a "Listing Class 2" or "L.P.S." and rated from 24V, 250mA.
Phoenix Contact Inc.*
Pin terminal
Clamping Tool CRIMPFOX ZA3
Damage on Side
Chapter 2. Installation & Connection
AWG18 AI 0.75-10
Unplugging
Line Voltage
Allowable Voltage Range 20.4 to 26.4VDC
2
24VDC
2-7