Emerson ControlWave Instruction Manual page 31

Table 2-2. Steady State Current Draw for Bulk Power Supplies
Component(s)
CPU (with Ethernet),
PSSM and backplane
CPU (with Ethernet), SCB
(with 2 Ethernet, 1 RS 485
and 1 RS 232), PSSM and
backplane
Analog Input Module 16
points (4-20 mA)
Analog Input Module 8
points (4-20 mA)
Analog Output Module 8
points (4-20 mA)
Analog Output Module 8
points (1-5V)
Digital Input Module 32
points
Digital Input Module 16
points
Digital Output Module 32
points
Digital Output Module 16
points
Universal Digital Input
(UDI) – 6 points
Isolated RTD 4 point
Isolated Low Level Analog
Input 6 points
Revised Aug-2015
ControlWave I/O Expansion Rack Instruction Manual
System Current Field Current draw for
draw for 24Vdc 24Vdc Power Supply
Power Supply
290 mA
400 mA
40.5 mA
36.1 mA
20.0 mA
20.0 mA
29.2 mA
15.8 mA
42.6 mA
22.6 mA
16.7 mA
26.0 mA
40.0 mA
: As an added precaution, we recommend that you run a #14
Note
AWG wire from the TB2-3 power connection (chassis ground)
to the same known good earth ground used for the housing.
Installation
Not applicable
Not applicable
52.2 mA For 24Vdc supply add 25 mA per
loop
29.7 mA For 24Vdc supply add 25 mA per
loop
26.9 mA For 24Vdc supply add 23.6 mA
per loop
56.8 mA For 24Vdc supply add 26.1 mA
per loop. Output at 5 mA
29.7 mA For 24Vdc supply add 4.74 mA
per loop – dry contact
29.7 mA For 24Vdc supply add 4.74 mA
per loop – dry contact
0 mA
0 mA
0 mA
0 mA
0 mA
Notes
2-19