IOtech MultiScan 1200, User Manual

Page: 334 / 364

324 Chapter 16: API Command Reference TempScan / MultiScan User's Manual
QC?
- Query Card Data
TYPE Calibration
EXECUTION
Immediate
SYNTAX
QC?
Read back the card identification and calibration information from the
scanning card previously selected by the Select Card (
C#
) command.
DESCRIPTION
Note: This command is only for advanced users who perform their own calibration. It is not necessary
for normal, everyday operation.
The Query Card Data (
QC?
) command is used to read back the card identification and calibration information
from the scanning card previously selected by the Select Card (
C#
) command. When this command is issued,
the returned information includes the following:
* Card Number, Card Serial Number, and Card ID (type).
* Offsets, Negative Gains and Positive Gains for PGA values 0 through 7.
* Offsets for Cold-Junction Temperature Sensors 1 through 4.
* Time/Date of the last calibration.
For the Card ID, the types are as follows:
Card ID Types TempScan/1100 Scanning Card MultiScan/1200 Scanning Cards
-1
No scanning card is installed No scanning card is installed
0
TempTC/32B thermocouple card (N/A)
1
TempV/32B volts card (N/A)
2
TempRTD/16B RTD card (N/A)
16
(N/A) MTC/24 thermocouple/volts card
17
(N/A) MHV/24 high-voltage card
For information on selecting chassis, card only, or card/chassis information, see command Select Card (
C#
).
EXAMPLE
PRINT#1, “OUTPUT07; C#5X”
‘ Select the fourth slave card - 5
PRINT#1, “OUTPUT07; QC?X”
‘ Read back the fourth slave card information
PRINT#1, “ENTER07”
' Get response
INPUT A$
C#:005 SN:0000000 ID:016
O:+00000 G:1.00000,1.00000
O:+00000 G:1.00000,1.00000
O:+00000 G:1.00000,1.00000
O:+00000 G:1.00000,1.00000
O:+00000 G:1.00000,1.00000
O:+00000 G:1.00000,1.00000
O:+00000 G:1.00000,1.00000
O:+00000 G:1.00000,1.00000
CJ:+00000,+00000,+00000,+00000#
01:34:23.6,08/23/97
' Screen shows the following card information:
On line 1, the Card Number, Card Serial Number,
and Card ID (type); on lines 2 through 9, the Offsets,
Negative Gains, and Positive Gains for PGA values
0 through 7; on line 10, the Offsets for Cold-Junction
Temperature Sensors 1 through 4; and on the last
line, the Time/Date of last calibration.