Rockwell Automation 1797-OE8H FLEX Ex HART Analog Modules User Manual - 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) x (2) 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 (1) Reserved (1) Reserved (1)
11
Reserved
(1)
12 Reserved (1)
13 Reserved (1)
14 The calibration content is saved to EEPROM
x (2) x (2) x (2)
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