Omron FQM1-MMP21 Manual De Usuario
85
Wiring Precautions
Section 3-6
• Attach the modified cable to the XW2D-40G6 Connector-Terminal Block
Conversion Unit.
3-6
Wiring Precautions
3-6-1
Reducing Electrical Noise
I/O Signal Wiring
Whenever possible, place I/O signal lines and power lines in separate ducts or
raceways both inside and outside of the control panel.
raceways both inside and outside of the control panel.
If the I/O wiring and power wiring must be routed in the same duct, use
shielded cable and connect the shield to the GR terminal to reduce noise.
shielded cable and connect the shield to the GR terminal to reduce noise.
RS-422A Connecting Cable
Connector-Terminal Block
Conversion Unit terminal
number
No.
Signal
2
SDB+
A18
1
SDA
−
A17
8
RDB+
B18
6
RDA
−
B17
XW2D-40G6 Connector-
Terminal Block Conversion Unit
Terminal Block Conversion Unit
XW2Z-100J-C1 or
XW2Z-200J-C1
RS-422A Cable
XW2Z-200J-C1
RS-422A Cable
1
2
1
2
1
2
1 = I/O cables
2 = Power cables
2 = Power cables
Suspended ducts
In-floor ducts
Conduits