YOKOGAWA EXAxt ZR22G, User Manual, Page: 79 / 211

<5. Wiring>
5-2
IM 11M12A01-02E 16th Edition : Mar. 19, 2020-00
Table 5.1 Cable specifications
Terminal name of converter Name Need for shields Number of cores
CELL+, CELL-
HTR TC+, HTR TC-
CJ+, CJ-
Detector signal О 6
HEATER Detector heater 2
L, N Power supply 2 or 3 *
AO-1+, AO-1-, AO-2+, AO-2- Analog output О 2 or 4
DO-1, DO-2, DO-3, DO-4 Contact output 2 to 8
AC-Z, AC-S, AC-C Automatic Calibration unit 3
DI-1, DI-2, DI-C Contact input 3
AI+, AI- Temperature input О 2
Note *: When the case is used for protective grounding, use a 2-core cable.
WARNING
Cables that withstand temperatures of at least 80°C should be used for wiring.
CAUTION
• Select suitable cable O.D. to match the cable gland size.
• Protective grounding should be connected in ways equivalent to JIS D style (Class 3)
grounding (the grounding resistance is 100 Ω or less).
• Special consideration of cable length should be taken for the HART communication, For the
detail, refer to Section 1.1.2 of the IM 11M12A01-51E “Communication Line Requirements”.
5.1.1 Terminals for the External Wiring in the Converter
Open the front door and remove the terminal covering plate to gain access to the converter
external wiring terminals (see Figure 5.1).
CAUTION
After wiring necessary cable to the converter terminals, be sure to fix the terminal covering plate
with two screws again.