Rockwell-automation 1771-N SERIES High Resolution Analog Module User M Manuale Utente Pagina 39

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3–7Communicating With Your Analog Module
Publication 1771ĆUM127B-EN-P - December 2002
If you use a 1771-NBTC module with the parameters listed below,
the PLC-5 data table file screen on an industrial terminal screen
would look similar to Figure 3.6.
Overall Module Functions Chosen
Number of outputs: 2
Verify mode: Disabled
Temperature Scale: Fahrenheit
BCD Select Bit: 2's complement binary data format
Cold Junction Temperature Alarm: Enabled
Real Time Sampling Rate: 200 milliseconds
Scale Value
Low/High
(counts)
Clamp Value
Low/High
(counts)
Max Output
Ramp Rate
(mA/sec)
Reset
State
Alarm
Enable
Reset
Value
(mA)
Channel 1 400/2000 0/0 1.6 Minimum Yes N/A
Channel 2 Ć1000/1000 Ć900/900 8.0 User Yes 100
Scale Value
Low/High
(counts)
Alarm Value
Low/High
(counts)
Input Rate
Alarm
(
o
F/sec)
Alarm
Enable
Alarm
Deadband
(
o
F)
Filter
Time
(sec)
10 Ohm
Offset
RTD
Type
TC
Type
Channel 3 0/0 25000/26000 17 Yes 20.0 0.5 N/A N/A B
Channel 4 0/0 10000/10500 1.7 Yes 10.0 1.0 N/A N/A E
Channel 5 0/0 20000/20500 1.7 Yes 10.0 1.5 N/A N/A J
Channel 6 0/0 10000/10500 1.7 Yes 10.0 2.0 N/A N/A K
Channel 7 0/0 20000/21000 N/A Yes 20.0 2.5 N/A N/A R
Channel 8 0/0 30000/31000 N/A Yes 20.0 3.0 N/A N/A S
The above configuration for the 2 output/6 input module (cat. no.
1771-NBTC) would be set up using the following PLC-5 data table
file (Figure 3.6).
Setting Up the Data
Table File
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