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GFK-0825F Chapter 2 Description 2-9
2
Functional Specifications
Bus Interface Unit:
Reliability More than 183,000 hours operation MTBF, calculated
24VDC Power Supply Input
Nominal Rated Voltage 24 VDC
Voltage Range 18 VDC to 30 VDC
Power 16.8 Watts maximum at full load (nominal voltage)
Inrush Current 15-50 Amps peak, 3 mS maximum. Inrush current is installation
dependent. See page 2-4.
Power Supply Output
to I/O modules:
6.5 VDC ±5%
1.4 Amp maximum. See page 2-4.
Holdup Time 10mS maximum from nominal input voltage.
115VAC/125VDC Power Supply Input
Nominal Rated Voltage 115 VAC, 125 VDC
Voltage Range 90 to 135 VAC, 105 to 150 VDC
Frequency (AC) 47 to 63 Hz
Power 115 VAC: 48VA maximum at full load (nominal voltage)
125 VAC: 24W maximum at full load (nominal voltage)
Inrush Current 20 Amps peak, 3 mS maximum.
Power Supply Output
to I/O modules:
6.5 VDC ±5%
2 Amp maximum. See page 2-4.
Holdup Time 20mS maximum from nominal input voltage.
Bus Interface Unit Terminal Block:
Power Requirements 16mA maximum
Reliability More than 600,000 hours operation MTBF, calculated
For power requirements of specific I/O modules, please see the
Field Control I/O Modules User's
Manual
, (GFK-0826).