Rockwell Automation 1768-PA3_PB3 CompactLogix Power Supplies Installation Instructions - Manual (Page 28)

28 1768 CompactLogix Power Supplies
Publication 1768-IN001B-EN-P - July 2006
Output #1: 24V dc to Backplane
Ride-through
Interval Time, Min 25 ms @ 90 W 5 ms @ 90 W
Full Power Hold-up
Interval 5 ms @ 90 W
Extended Hold-up
Interval 8…12 s @ 1.25 W
Output #2: 24V dc to Front Panel Terminal Block
Voltage 18…27.60V @ front panel
Output Disable Disable output during hold-up periods
(1)
Use this Conductor Category information when planning conductor routing. Refer to Industrial Automation Wiring and
Grounding Guidelines, publication 1770-4.1.
(2)
Does not include X-capacitor charging current.
Environmental Specifications
Attribute 1768-PA3 1768-PB3
Conducted RF Immunity IEC 61000-4-6
10V rms with 1 kHz sine-wave 80% AM from 150 kHz…80 MHz
EFT/B Immunity IEC 61000-4-4:
±4kV at 5 kHz on power ports
Emissions CISPR 11:
Group 1, Class A
ESD Immunity IEC 61000-4-2:
6 kV contact discharges
8 kV air discharges
Radiated RF Immunity IEC 61000-4-3:
• 10V/m with 1 kHz sine-wave 80%AM from 30…2000 MHz
• 10V/m with 200 Hz 50% Pulse 100%AM at 900 MHz
• 10V/m with 200 Hz 50% Pulse 100%AM at 1890 MHz
• 1V/m with 1 kHz sine-wave 80%AM from 2000…2700 MHz
Relative Humidity IEC 60068-2-30 (Test Db, Unpackaged Damp Heat):
5…95% noncondensing
Shock, Operating IEC 60068-2-27 (Test Ea, Unpackaged Shock):
30 g
Shock, Nonoperating IEC 60068-2-27 (Test Ea, Unpackaged Shock):
50 g
1768-PA3 and 1768-PB3, CompactLogix Power Supplies
Attribute 1768-PA3 1768-PB3