Omron EJ1 User Manual page 39

Wiring Terminals
EDU
2-2-2 Wiring Precautions
18
Port A connector
Port A
RS-485
SUB2
SUB1
Port B
RS-485
24 VDC
Input power supply
• Separate input leads and power lines to protect the EJ1 from external
noise.
• Use AWG22 (cross-sectional area: 0.326 mm
2
tional area: 2.081 mm
(cross-sectional area: 0.081 mm
2
1.309 mm ) for all other cables. The stripping length is 6 to 8 mm.
• Use crimp terminals when wiring the terminals.
• Tighten the terminal screws to a torque of 0.40 to 0.56 N·m.
• Up to two wires of the same size and same type or two crimp terminals
can be inserted into a single terminal.
• Use the following types of crimp terminals for M3 screws.
5.8 mm max.
5.8 mm max.
These two ports cannot be
B (+)
1 used at the same time.
2
A (−)
3
4
5
COM
B (+)
6
These terminals cannot be
used when an HFU is used.
7
A (−)
+
8
−
9
2
) to AWG14 (cross-sec-
) twisted-pair cable for power supply and AWG28
2
) to AWG16 (cross-sectional area:
Section 2-2