3. Cabling
3-3
TI 32P01J10-01EN
Alarm and Control Circuit Cables
Nominal conductor cross-sectional area:
0.13 to 2.5 mm
2
Node Interface Unit External Alarm input terminal: 0.5 to 2.5 mm
2
(AWG 20~14)
Other than above:
0.5 to 1.25 mm
2
Example of suitable cables:
600 V polyvinyl chloride insulated wires (IV);
EC 60227-3/JIS C 3307
Polyvinyl chloride insulated wires for electrical apparatus (KIV); IEC 60227-3/JIS C 3316
Heat-resistant PVC wire (UL1007)
Power Cables
Nominal conductor cross-sectional area:
For rack-mounted 100-120 V AC /220-240 V AC-driven equipment: 1.25 to 2.0 mm
2
For rack-mounted 24 V DC-driven equipment:
Minimum 2.0 mm
2
For N-IO I/O Base plates S2BN1D (Field Power Supply terminal):
3.5 to 5.5 mm
2
For N-IO Barrier Base plates (Barrier Power Supply terminal):
0.5 to 1.5 mm
2
Node Interface Unit:
1.25 mm
2
(AWG 16) Double Insulation structure
For cabinets AC 100-120/220-240 V-driven:
Minimum 8.0 mm
2
For cabinets DC 24 V-driven equipment:
Minimum 14.0 mm
2
Example of suitable cables:
600 V polyvinyl chloride insulated wires (IV);
IEC 60227-3/JIS C 3307
Polyvinyl chloride insulated wires for electrical apparatus (KIV); IEC 60227-3/JIS C 3316
Note: Use cables capable of supplying current required by respective pieces of equipment with low voltage drop.
Grounding Cables
SEE
ALSO
See Section 1.4, “Grounding,” for wiring of grounding cables connecting grounding bars of different cabinets
and/or panels to each other.
Nominal conductor cross-sectional area:
For Node Interface Unit:
Minimum 2.0 mm
2
(AWG14)
For N-IO I/O Base plates:
Minimum 2.0 mm
2
(AWG14)
For N-IO Barrier Base plates:
Minimum 2.0 mm
2
(AWG14)
Grounding cables connecting cabinets
AC 100-120/220-240/V-driven to protective grounding system:
Minimum
5.5
mm
2
Grounding cables connecting cabinets DC 24 V-driven to protective grounding system:
Minimum
8.0
mm
2
Example of suitable cables:
600 V polyvinyl chloride insulated wires (IV);
EC 60227-3/JIS C 3307
Polyvinyl chloride insulated wires for electrical apparatus (KIV); IEC 60227-3/JIS C 3316
Nov. 27, 2015-00