Omron CPM1 - PROGRAMING MANUAL 02-2001 Programming Manual page 187

Analog I/O Units
Item
Analog g Number of inputs
Input I
Input signal range
Section Section
Max. rated input
External input impedance
Resolution
Accuracy
A/D conversion data
Analog
g Number of outputs
O
Output
Output signal range
Section
(See (See
Max. external output current
note 1.)
note 1.)
Allowable external output load resistance
Resolution
Accuracy
Set data
Conversion time
Isolation method
Part Names
Analog I/O Terminals
Expansion I/O
Connecting Cable
Caution
!
Expansion Connector
Note 1. With analog outputs it is possible to use both voltage outputs and current
outputs at the same time. In this case however, the total output current must
not exceed 21 mA.
2. The conversion time is the total time for 2 analog inputs and 1 analog output.
Expansion I/O connecting cable
Connected to analog I/O devices.
Connected to the CPU Unit or previous Expansion Unit. The cable is provided
with the Unit and cannot be removed.
Do not touch the cables during operation. Static electricity may cause operating
errors.
Connected to the next Expansion Unit or Expansion I/O Unit.
Voltage I/O
2
0 to 10 V/1 to 5 V
15 V
1 M min.
1/256
1.0% full scale
8-bit binary
1
0 to 10 V or
–10 to 10 V
5 mA
---
1/256 (1/512 when the output signal range is –10 to 10 V)
1.0% of full scale
8-bit signed binary
10 ms max. per Unit (See note 2.)
Photocoupler isolation between I/O terminals and PC signals.
No isolation between analog I/O signals.
Section
Current I/O
4 to 20 mA
30 mA
250 rated current
4 to 20 mA
---
350
Expansion connector
Analog I/O terminals
3-1
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