Emerson FB3000 RTU Instruction Manual
D301851X012
May 2022
Installation
19
Connecting External Power
DANGER
EXPLOSION HAZARD: Ensure the area in which you perform this operation is non-hazardous.
Performing this operation in a hazardous area could result in an explosion.
Figure 2-13: External Power Connections
The device supports both 12V and 24V power supplies. It accepts DC voltage from 10.5 to 30V; the
amount of power required varies depending upon the options used. See
Table 2-2
for examples:
Table 2-2: Power Usage
CFG#
Configuration
Power (12V) Power (24V)
1
3CPU16 & 3CPUSG Only: 4x 4088s, FBxConnect on USB, 1
second IO scan rate (COM 1/2, ETH 1/2, disabled)
1.464W
1.608W
2
CFG 1 plus 3MIX12 & 3MSG12 in slot 2:
AIDIPI configured as DI with 66uA pull-up (AOs, Loop Supply
disabled)
2.448W
2.784W
3
CFG 2 plus 50ms IO scan rate
2.556W
3.072W
4
CFG 3 plus COM1, COM2, ETH1 enabled:
COM1, COM2, ETH1, USB running FBxConnect, 50ms IO
scan rate
4.356W
4.560W
5
CFG 4 plus 6 additional 3MIX12 & 3MSG12 cards:
Each IO card configured as 4 AI's 4 PI's, 1 AO Current, 1 AO
Voltage, 2 DO's toggling 1s ON 1s OFF, 10ms IO scan rate
18.62W
18.69W
Input power powers the RTU; loop power can power attached field devices. Input power and loop
power do not need to have the same voltage.
Содержание FB3000
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