Rockwell Automation 1797-OE8H FLEX Ex HART Analog Modules User Manual User Manual
Page 83
Publication 1797-6.5.3 - March 2006
Calibrate Your Module 5-7
Table 5.5 1797-IE8H Interpretation of Calibration Data Structure Content During Read Access (Idle Status)
Command Byte
Item Byte
Data1 Byte
Data2 Byte
Status (Binary)
Command Bits 0…5 (Decimal)
00
Idle
0
Nothing is done. The state after power on.
0
0
0
1
Calibration of offset at 25 °C is done according to
channel-mask
Channel-Mask
2
Calibration of gain at 25 °C is done according to
channel-mask
8
All calibration values are set to default
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.
0
0
0
(1)
Reserved. Used during manufacture of the product.
Table 5.6 1797-IE8H Interpretation of Calibration Data Structure Content During Read Access (Error Status)
Command Byte
Item Byte
Data1 Byte
Data2 Byte
Status (Binary)
Command Bits 0…5 (Decimal)
01
Error
1
Calibration of offset at 25 °C according to
channel-mask has failed
Channel-mask
0
0
2
Calibration of gain at 25 °C according to
channel-mask has failed
3…7
Unknown command is mirrored back
0
8
The calibration values are not set to default
0
9
The specified calibration value is not set to default Value-identifier
10
Reserved
(1)
Reserved
Reserved
Reserved
11
Reserved
12
Reserved
13
Reserved
14
The calibration content could not be saved to
EEPROM
0
0
0
15…61 Unknown command is mirrored back
62
Reserved
Reserved
Reserved
Reserved
63
Reserved
(1)
Reserved. Used during manufacture of the product. Do not use.