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Appendix C
Unit Current and Power Consumption
214
Example 2: For C200HW-PA204S
ID212 DC Input Units:
6 Units
CT002 High-speed Counter Units:
2 Units
External power supply used (for ID212): 0.8 A
Power Supply
Current Consumption
Power Consumption
5-V system
0.01 x 6 + 0.3 x 2 = 0.66 A (
≤
4.6 A)
0.66 A x 5 V = 3.3 W
26-V system
0
0
24-V system
Ext. power supply = 0.8 A (
≤
0.8 A)
0.8 A x 24 V = 19.2 W
Total = 22.5 W (
≤
30W)
Example 3: For C200HW-PA204S
OC221 Contact Output Units:
4 Units
ID217 High-density Input Unit:
1 Unit
OD219 High-density Output Unit:
1 Unit
CT002 High-speed Counter Unit:
1 Unit
External power supply used (for ID217): 0.3 A
Power Supply
Current Consumption
Power Consumption
5-V system
0.01 x 4 + 0.12 + 0.27 +0.3
= 0.73 A (
≤
4.6 A)
0.73 A x 5 V = 3.65 W
26-V system
0.075 x 4 = 0.30 A (
≤
0.6 A)
0.3 A x 26 V = 7.8 W
24-V system
Ext. power supply = 0.8 A (
≤
0.8 A)
0.8 A x 24 V = 19.2 W
Total = 18.65 W (
≤
30 W)
Calculating Power Consumption for Racks
The total power consumption (primary power input) for an individual Rack can be
broadly calculated as shown in the following examples.
Example 1: CPU Rack
Total power consumption of Units + 3.5
0.6 x 0.55 (VA)
3.5 = CPU Unit power consumption
0.6 = 60% efficiency
0.55= Power rate
Example 2: All Other Racks
Total power consumption of Units + 2
0.6 x 0.55 (1) (VA)
2 = I/O Power Supply Unit (Remote I/O Slave Unit) power consumption
0.6 = 60% efficiency
0.55 (1) = Power rate
(Number in parentheses: when RT002-P or RT202 is used.)
Unit
Model
5-V supply
26-V supply
CPU Unit
C200HE-CPU
jj
-E
C200HG-CPU
jj
-E
C200HX-CPU
jj
-E
0.5 A
---
CPU Backplane
C200HW-BC
jjj
0.1 A
---
I/O Backplane
C200HW-BI
jjj
0.15 A
---
Unit
Model
5-V supply
26-V supply
Communications
B
d
C200HW-COM01
0.03 A
---
Board
C200HW-COM02
0.1 A
---
C200HW-COM03
0.2 A
---
C200HW-COM04-E
0.1 A
---
C200HW-COM05-E
0.1 A
---
C200HW-COM06-E
0.2 A
---
Current Drawn by CPU
Units and Backplanes
Current Drawn by
Communications Boards
Содержание C200HE-CPU -Z Series
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