User guide

3-4 MicroLogix™ 1200 Analog Combo Module (4Ch IN / 4Ch Out)
User’s Manual Pub. 0300247-01 Rev. C
Register Function
Output File (Used for Module Configuration)
High byte: Channel 1 Configuration Register (Output)
1
O:e.5 Low byte: Channel 2 Configuration Register (Output)
1
High byte: Channel 3 Configuration Register (Output)
1
O:e.6 Low byte: Channel 4 Configuration Register (Input)
2
High byte: Channel 5 Configuration Register (Input)
2
O:e.7 Low byte: Channel 6 Configuration Register (Input)
3
High byte: Channel 7 Configuration Register (Input)
3
1
See Table 3-2,
2
See Table 3-4,
3
See Table 3-5
3.4.2 Output Channel Configuration (Channels 0 through 3)
The table below describes the configuration options for analog output channels 0 through
3.
Table 3-2 (Configuration for Output Channels 0 through 3)
To Select Make these bit settings
7 6 5 4 3 2 1 0
Output Type
4 to 20 mA
0 0 0
0 to 20 mA
0 01
-10 to 10 V
0 10
0 to 10 V
0 11
1 to 5 V
1 00
0 to 5 V
1 01
Reserved
1 10
Channel Disabled
1 11
Data Format
Scaled for PID
0 0
Engineering Units
0 1
Percent Range
1 0
Raw/Proportional Data
1 1
Unused 0 0 0
Table 3-3 lists the number of counts for each of the supported input channel data ranges.
Table 3-3 (Output Channel Data Ranges)
Output
Range
Output Value Condition Raw/Prop EU PID % FS
4..20mA 20.40 mA High Limit 32767 20400 16793 10250
20.00 mA High Range 31176 20000 16383 10000
4.00 mA Low Range -32450 4000 0 0
3.92 mA Low Limit -32768 3920 -82 -50
0..20mA 20.40 mA High Limit 32767 20400 16711 10200
20.00 mA High Range 31482 20000 16383 10000
0.00 mA Low
Limit/Range
-32768 0 0 0
+/-10V 11.00 V dc High Limit 32767 11000 17202 11000
10.00 V dc High Range 29788 10000 16383 10000