AT600 User’s Manual 155
Appendix A. Specifications
A.2.10 Wiring Cable Specifications and Requirements
Cable diameter range for PWR connection: 7 to 12mm, refer to Gland Hole 1 on Figure 23 on page 17
Cable diameter range for Hart, Modbus and I/O connection: 5 to 8mm, refer to Gland Hole 2,3 and 4 on Figure 23 on
page 17
Temperature range of cable for PWR, Hart, Modbus and IO connection: 14° to 185°F (-10° to 85°C);
The cable should meet the CE and UL standard below:
Conductor cross section solid range: 0.2 mm
2
to 2.5 mm
2
Conductor cross section stranded range: 0.2 mm
2
to 2.5 mm
2
Conductor cross section stranded, with ferrule without plastic sleeve range: 0.25 mm
2
to 1 mm
2
Conductor cross section stranded, with ferrule with plastic sleeve range: 0.25 mm
2
to 1 mm
Conductor cross section AWG/kcmil range: 12 to 26
AWG according to UL/CUL range: 14 to 28
A.2.11 Cable Fixing Requirement and Gland Torque
Refer to Figure 23 on page 17 for the Gland Hole position.
To make a reliable IP67 sealing performance of the enclosure during cabling, the gland must be tightened well, below
torque value is a reference to make a reliable NEMA 4X/IP67 sealing between cable and gland:
Operation torque for Gland Hole 1 and 5: 2.7 N.M
Operation torque for Gland Hole 2, 3 and 4: 2.5 N.M
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