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Analog Input Units Section 7-2
• Up to 15 words can be used by Expansion Units and Expansion I/O Units
for inputs and up to 15 words can be used for outputs.
• Be careful not to exceed a total current consumption of 2 A at 5 V or 1 A
at 24 V, or a total power consumption of 3W, for the Expansion Units and
Expansion I/O Units (including the CPU Unit).
Allocation of I/O Words Expansion Units and Expansion I/O Units are allocated I/O words in the order
the Units are connected starting from the CPU Unit. The required number of I/
O words is allocated to each Unit starting with CIO 2 for inputs and CIO 102
for outputs.
7-2 Analog Input Units
Each CP1W-AD041/CPM1A-AD041 Analog Input Unit provides four analog
inputs.
• The analog input signal ranges are 0 to 5 V, 1 to 5 V, 0 to 10 V, -10 to +10
V, 0 to 20 mA, and 4 to 20 mA. The resolution is 1/6,000. The open-circuit
detection function is activated in the ranges of 1 to 5 V and 4 to 20 mA.
• The Analog Input Unit uses four input words and two output words, so a
maximum of three Units can be connected.
Part Names CP1W-AD041/CPM1A-AD041
1. Analog Input Terminals
Connected to analog output devices.
CP1H CPU Unit
Expansion I/O Unit
(40 I/O points)
CPM1A-MAD11
Analog I/O Unit
CPM1A-MAD11
Analog I/O Unit
CPM1A-TS001
Temperature
Sensor Unit
Expansion I/O Unit
(20 I/O points)
CPM1A-DRT21
DeviceNet I/O
Link Unit
CPM1A-SRT21
CompoBus/S I/O
Link Unit
CIO 0 (0.00 to 0.11)
CIO 1 (1.00 to 1.11)
CIO 2 (0.00 to 0.11)
CIO 3 (1.00 to 1.11)
CIO 4
CIO 5
CIO 6
CIO 7
CIO 8
CIO 9
CIO
10
(10.00 to 10.11)
CIO 11
CIO 12
CIO 13
CIO 14
CIO 100 (0.00 to 0.07)
CIO 101 (1.00 to 1.07)
CIO 102 (0.00 to 0.07)
CIO 103 (1.00 to 1.07)
CIO 104
CIO 105
None
CIO
106
(106.00 to
106.07)
CIO 107
CIO 108
CIO 109
CIO 110
Connected Units: 7 max.
Total input words: 15 max.
Total output words: 15 max.
Total combined current consumption including CPU Unit: 2 A max. for 5 V and 1 A max. for 24
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