1-14 Installation/Wiring
Signal and Control Wire Types
Table 1.F Recommended Signal Wire
Table 1.G Recommended Control Wire for Digital I/O
I/O Terminal Block
Table 1.H I/O Terminal Block Specifications
Maximum Control Wire Recommendations
Do not exceed control wiring length of 30 meters (100 feet). Control
signal cable length is highly dependent on electrical environment and
installation practices. To improve noise immunity, the I/O terminal block
Common may be connected to ground terminal/protective earth. If using
the RS485 (DSI) port, I/O Terminal 19 should also be connected to
ground terminal/protective earth.
Signal Type/
Where Used
Belden Wire Type(s)
(1)
(or equivalent)
(1)
Stranded or solid wire.
Description
Min. Insulation
Rating
Analog I/O & PTC 8760/9460 0.750 mm
2
(18AWG), twisted
pair, 100% shield with drain
(3)
(3)
If the wires are short and contained within a cabinet which has no sensitive circuits,
the use of shielded wire may not be necessary, but is always recommended.
300V,
75-90° C
(167-194° F)
Remote Pot 8770 0.750 mm
2
(18AWG), 3
cond., shielded
Encoder/Pulse I/O 89730
(2)
(2)
9728 or 9730 are equivalent and may be used but may not fit in the drive wire channel.
0.196 mm
2
(24AWG),
individually shielded pairs
Type Wire Type(s) Description
Minimum
Insulation Rating
Unshielded Per US NEC or applicable
national or local code
– 300V,
60 degrees C
(140 degrees F)
Shielded Multi-conductor shielded
cable such as Belden
8770(or equiv.)
0.750 mm
2
(18AWG), 3
conductor, shielded.
Frame Maximum Wire Size
(1)
(1)
Maximum/minimum sizes that the terminal block will accept - these are not
recommendations.
Minimum Wire Size
(1)
Torque
B & C 1.3 mm
2
(16 AWG) 0.2 mm
2
(24 AWG) 0.5-0.8 N-m (4.4-7 lb.-in.)
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