Omron CQM1H - 08-2005, Руководство по эксплуатации

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191
Command Each operation mode set command consists of a command code and parame-
ter. The following command codes are used for the operation mode A and opera-
tion mode B set commands.
•
Operation Mode A: C000
•
Operation Mode B: C200
Refer to pages 208 to 211 for the details of the parameters used for the Unit.
Setting Example In this example, the following operation modes are selected for the Unit.
•
Data Input: Comparison mode
•
Timing Hold Mode: Normal
•
Input Type: 4 to 20 mA
•
Monitor Output: Scaled conversion data monitor mode
•
Input Sampling Speed: Fast
•
No. of Averaging Process Times: 1
•
Zero Shift Value Storage Area: RAM
In this example, the initial parameters have been set. Described below is the
method of changing the data input and input type using the operation mode A set
command.
Operation
1, 2, 3... 1. The input word reads 1254, which is the present scaled conversion data,
and the output word reads 0000.
c100 c001
0000 1254
Output word Input word
2. Set the command code C1000 to the output word to in order to set the opera-
tion mode A. To input the letter C with the Programming Console, press the
Shift and 2 Keys.
The input word will be set to the response C000.
CHG
SHIFT
C
2
C
A
0
A
0
A
0
WRITE
c100 c001
C000 C000
3. Set 2040 to the output word. The Unit will be in comparison mode and the
available input range will be from 4 to 20 mA. All the other modes will remain
unchanged.
CHG
C
2
A
0
E
4
A
0
WRITE
c100 c001
2040 2040
4. When the Unit correctly receives the command, the input word will be set to
2040.
5. Reset 0000 to the output word.
6. The Comparison Result Flags of the input word is turned ON or OFF. In this
example, the input word is set to 0004 (PASS).
CHG
A
0
A
0
A
0
A
0
WRITE
c100 c001
0000 0004
Operation Mode
Section 5-3