YOKOGAWA av550g, User Manual

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< 5. Wiring >
5-4
IM 11M12D01-01E
5.1.4 Types of Wiring and Cables
Types of wiring and cables to be used are listed in Table 5.1. The purpose of a shield is not only to
prevent the effect from noise disturbance but also to restrict the noise emitted from the converter.
Specified cables must be used.
Table 5.1 Types of Wiring and Cables
Terminal Indication
Shield
Requirement
Number of
Cores
Requirement
Power,
Internal grounding
L, N,
Unshielded 2 or 3 Size: 2 mm 2 (14 AWG) or larger per core
External ground
terminal
Unshielded —
Either internal grounding or external
grounding will do.
Cell heater HTR1 to HTR8 Shielded 2
Size: 1.25 mm 2 (16 AWG) or larger,
Conductor two-way resistance: 10 Ω or less
Detector output
signal
CELL, TC, CJ Shielded 6 Conductor two-way resistance: 10 Ω or less
Individual analog
output
AO Shielded 2
550 Ω or less, including load resistance
Averaged analog
output
Ave-a, Ave-b, Ave-c Shielded Note
Solenoid valve
contact output
SV-COM,
SV-CH1 to SV-CH8
Shielded Note
—
Individual error
contact output
DO-CH1 to
DO-CH8
Unshielded Note
—
Functional contact
output
DO1 to DO4 Unshielded Note
—
Common error
contact output
DO5 Unshielded Note
—
Contact input DI1, DI2, COM Unshielded 2 or 3
Loop resistance when contact is closed:
200 Ω or less
Note: The number of cores is determined by number of outputs to be used.