Yokogawa Multi Channel Oxygen Analyzer System ZR22/AV550G - Manual (Page 85)

IM 11M12D01-01E 5-5
5. Wiring
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
Requirements
Power,
internal grounding
External grounding
Detector heater
Detector signal
Individual analog
output
Averaging analog
output
Solenoid output
Individual error
contact output
Common contact
output
Common error
contact output
Contact input
L, N,
HTR1 to HTR8
CELL, TC, CJ
AO
Ave-a, Ave-b,
Av3-c
SV-COM, SV-CH1
to SV-CH8
DO-CH1 to
DO-CH8
DO1 to DO4
DO5
DI1, DI2, DI-COM
Unshielded
Unshielded
Shielded
Shielded
Shielded
Shielded
Shielded
Unshielded
Unshielded
Unshielded
Unshielded
2 or 3
2
6
2
Note
Note
Note
Note
Note
2 or 3
Size: 2 mm 2 (14 AWG) or larger per core
Either internal grounding or external
grounding will do.
Size: 1.25 mm 2 (16 AWG) or larger,
Conductor two-way resistance: †10 ‰
Conductor two-way resistance: †10 ‰
†550 ‰, including load resistance
Loop resistance when contact is closed:
†200 ‰
Note: The number of cores is determined by number of contacts to be used.