Manual calibration – Rockwell Automation 1771-N SERIES High Resolution Analog Module User Manual User Manual
Page 71
6–3
Module Calibration
Publication 1771ĆUM127B-EN-P - December 2002
•
manual calibration – refer to the procedure below.
•
6200 I/O CONFIG software – refer to your 6200 software
publications (release 4.2 or later) for procedures for calibrating.
•
PCO operator interface software – refer to your 6190-PCO
software publications for procedures for calibrating.
Indicator Operation During Calibration
During calibration, the RUN/FLT indicator will turn to green. The
CAL/COM indicator will turn to flashing red. The indicators will
remain with these indications throughout the calibration procedure.
You can calibrate any number of channels, in any order. The
following procedures define how to calibrate input and output
channels.
IMPORTANT
In order to allow the module to stabilize,
energize the module for at least 30 minutes
before calibrating.
Set up a block transfer write data file as shown in table 6.C.
Input Channel Calibration
1. Set the appropriate bit in the BTW input calibration mask (word
2); channel 1 is bit 00, channel 2 is bit 01, etc. If calibrating only
one channel, set the appropriate bit. If calibrating all channels (all
inputs), set bits (00 through 07). Refer to Table 6.C.
Table 6.C
Calibration Block Transfer Write
Word/Dec. Bit
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
Word/Octal Bit
17
16
15
14
13
12
11
10
07
06
05
04
03
02
01
00
0
Calibration BTW Header = CC00 Hexadecimal
1
Unused = 0
Cal
Clk
High/
Low
2
Unused = 0
Input Cal Mask
3
Unused = 0
Output Cal Mask
4
1st Low Output Cal Value
5
1st High Output Cal Value
6
2nd Low Output Cal Value
7
2nd High Output Cal Value
8
3rd Low Output Cal Value
Manual Calibration