Bulk Power Supply Specification

1
2
FF-831
FIELDBUS ISOLATED BULK POWER
SUPPLY SPECIFICATION
Auxiliary fieldbus equipment
Isolated bulk power supplies intended for commonly bussed passive or active FF-641 fieldbus power conditioners.
Power bus
Isolated bulk power supply
*
2 Wire Trunk
2 Wire Trunk
*
2 Wire Trunk
Redundant option
Redundant
I limit
One, or more, FF-831current
limited Power conditioner/s
* OR diode
3
4
5
6
7
8
9
Attribute
Value
Output voltage
Load regulation
Line regulation
Bulk power supply current limit (each)
Nominal current per power conditioner
Peak current per power conditioner
19.2-32
5
5
N/A
0.5
1.25
Tol.
Units
V
%
%
A
A
A
Note
max
max
max
N/A
max
max
4
4
10
11
Attribute
Level mV p-p
12
13
Noise/ripple 50 Hz to 300 kHz
Ripple
Common mode noise and ripple
Primary/secondary isolation
Fitted with integral ‘OR’ diode
300mV
1V
50 Hz to 120 Hz
4 V rms
63 Hz to 2MHz
IEC61131-2 Table 17 or equivalent
NOT REQUIRED
14
15
16
Frequency
Note
Tol.
Max
Max
Max
1
3
2
5
17
18
NOTES
19
The remaining specification as per manufacturers standard.
1 For switching power supplies.
2 Sine wave noise and ripple.
3 For linear 50/60 Hz power supplies.
4 Each power conditioner.
5 DO NOT GROUND OR EARTH THE BULK POWER SUPPLY OUTPUTS
Pepperl+Fuchs GmbH, Mannheim
Germany
CAUTION
If undetected, two simultaneous faults
comprising one pole on one trunk to
ground, and one pole on a second trunk to
ground, may cause both trunks (or
segments) to fail. All remaining segments
will not be affected.
SPECIFIACTION FORMULATED
SPECIFICALLY FOR POWER
CONDITIONER MODEL:
HD2-FBCL-1.500