Maximum Current And Power Supplied - Omron SYSMAC C200H Installation Manual

Maximum Current and Power Supplied

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Maximum Current and Power Supplied

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I/O words 100 through 199 and DM words 1000 through 1999 are allocated to
Special I/O Units. There are limitations to the number and model of Special I/O
Units that can be mounted to a Remote I/O Slave Rack. For example, Group-2
High-density I/O Units and B7A Interface Units cannot be mounted to a Remote
I/O Slave Rack. Provided no other models of Special I/O Units are mounted to a
Remote I/O Slave Rack, the maximum number of Special I/O Units that can be
mounted is shown below for each model.
Group
A High-speed Counter, Position Control
(NC111/NC112), ASCII, Analog I/O, ID Sensor,
Fuzzy Logic Unit
B High-density and Mixed I/O, Cam Positioner,
Temperature Control, PID Control, Heat/Cool
Temperature Control
C Temperature Sensor, Voice
D Position Control (NC221)
When using a combination of A, B, C, and D Units on a Remote I/O Slave Rack,
the number of each model of Unit being used must satisfy the following two for-
mulas.
3A + B + C + 6D
A + B + C + D
In addition, when PC Link Units are used, a maximum of ten Special I/O Units
and PC Link Units total can be mounted to one Expanded PC. When a High-den-
sity I/O Unit is mounted to a Remote I/O Slave Rack, the RM001-PV1 or RM201
Remote I/O Master Unit must be used.
The power supplies, including those built in the CPU Units, are limited in the total
current they can supply to I/O Units.
The table below shows the maximum currents supplied by each power supply.
There are three categories in the "Maximum current supplied":
1. The 5-V internal logic current powers I/O Cards and communications cards.
2. The 26-V relay current powers relay output cards and ID Sensor Units.
3. Finally, the external 24-VDC power supply on the CPU Unit powers external
input devices.
The total wattage of all three categories cannot exceed the wattage listed in the
last column, "Maximum power."
You should not exceed any of the individual current ratings for the voltage
supplied by any single Unit, nor should you exceed the total maximum power
output.
Units
12
8
Section 4-3
Total number
4 Units
8 Units
6 Units
2 Units
41