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FloBoss 407 Instruction Manual
Rev 5/00
1-11
Table 1-2. Power Consumption of the I/O Modules
POWER CONSUMPTION (mW)
DUTY
SUB-
I/O MODULE
12V System
24V System
QTY
CYCLE
TOTAL
P
min
P
max
P
min
P
max
(mW)
AI Loop
170
495
170
495
AI Differential
75
75
75
75
AI Source
110
305
130
470
AO Source
145
585
145
585
RTD Input (P
min
is at -50
°
C;
P
max
is at 100
°
C)
240
475
475
930
DI Isolated
1
10
1
10
DI Source
1
55
1
205
PI Isolated
1
30
1
30
PI Source
1
70
1
230
SPI Isolated
1
10
1
10
SPI Source
1
55
1
205
Low-Level PI
1
45
1
45
DO Isolated
1
25
1
25
DO Source (P
max
is at 57 mA)
30
815
30
1585
DO Relay 12V
15
375
N/A
N/A
DO Relay 24V
N/A
N/A
20
470
HART Interface Module
85
685
85
1285
TOTAL
NOTES: 1. For analog I/O channels, the Duty Cycle is the percent of time spent in the upper half of the operating range.
2. The P
max
amount includes any power drawn by a ROC/FloBoss-powered field device, such as a transmitter.
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