1797-ie8h calibration item byte channel-mask -8, 1797-ie8h calibration item byte channel-mask – Rockwell Automation 1797-OE8H FLEX Ex HART Analog Modules User Manual User Manual
Page 84
Publication 1797-6.5.3 - March 2006
5-8 Calibrate Your Module
1797-IE8H Calibration Item Byte Channel-Mask
The Calibration item byte channel-mask uses each bit of the byte to
correspond to one channel: where 1 is calibrate this channel and 0 is do not
calibrate this channel. The LSB corresponds to channel 0, for example, 0x03 >
channel 0 and 1 have to be calibrated.
Table 5.7 1797-IE8H Interpretation of Calibration Data Structure Content During Read Access (Pending Status)
Command Byte
Item Byte
Data1 Byte
Data2 Byte
Status (Binary)
Command Bits 0…5 (Decimal)
10
Pending
1
Calibration of offset at 25 °C is in process
according to channel-mask
Channel-mask
0
0
2
Calibration of gain at 25 °C is in process according
to channel-mask
3…7
The unknown command is trying to be interpreted
x
(2)
8
All calibration values are set to default
0
0
0
9
The specified calibration value is set to default
Value-identifier
10
Reserved
(1)
Reserved
Reserved
Reserved
11
Reserved
12
Reserved
13
Reserved
14
The calibration content is saved to EEPROM
x
15…61 Unknown command is mirrored back
0
0
0
62
Reserved
Reserved
Reserved
Reserved
63
Reserved
(1)
Reserved. Used during manufacture of the product. Do not use.
(2)
The received values are mirrored back.
7
6
5
4
3
2
1
0
Calibrate channel 0
:
Calibrate channel 1
Calibrate channel 7