Westermo 3641-4400, Руководство пользователя

Страница: 21 / 32

Power port
Startup current
b
2x nominal current
Polarity Reverse polarity protected (LV and MV models, not applicable for HV
models)
Redundant power input Yes (LV and MV models)
Isolation All other ports
Connector Detachable screw terminal
Conductor cross section For LV and MV models: 0.2-2.5 mm² (AWG 24-12)
For HV models: 0.5-1.5 mm² (AWG 20-16)
Use copper conductors only.
Stripping length cable 7 mm
Cable temperature rating Minimum temperature rating of the cable to be connected to the field
wiring terminals is +77 °C
Tightening torque, terminal
screw For LV and MV models: 0.5 - 0.6 Nm
For HV models: 0.34 Nm
Tightening torque, screw
flange 0.34 Nm (HV models, not available for LV and MV models)
Shielded cable Not required
a
Measured for 1 second at startup
b
Recommended external supply current capability for proper startup
I/O connection, Digital input
Isolation to All other ports
Connector Detachable screw terminal
Conductor cross section 0.08 - 1.5 mm² (AWG 28-16). Use copper conductors only.
Stripping length cable 7 mm
Cable temperature rating Minimum temperature rating of the cable to be connected to the field
wiring terminals is +77 °C
Tightening torque, terminal
screw 0.22 - 0.25 Nm
Terminal torque, screw flange 0.3 Nm
Circuit type SELV
Maximum voltage/current 60 VDC, I
IN
≤ 2.9 mA at 60 VDC
Voltage levels Logic one: >8 VDC
Logic zero: <5 VDC
RedFox 5528 Series 21