
155
Adjusting Offset and Gain
Section 4-7
!Caution
Set the PLC to PROGRAM mode when using the Analog Output Unit in
adjustment mode. If the PLC is in MONITOR mode or RUN mode, the Analog
Output Unit will stop operating, and the output values that existed immediately
before this stoppage will be retained.
!Caution
Always perform adjustments in conjunction with offset and gain adjustments.
4-7-2
Output Offset and Gain Adjustment Procedures
Specifying Output
Number to be Adjusted
To specify the output number to be adjusted, write the value to the rightmost
byte of CIO word n as shown in the following diagram.
For the CIO word addresses, n = CIO 2000 + unit number x 10.
The following example uses output number 1 adjustment for illustration. (The
unit number is 0.)
Bits Used for Adjusting
Offset and Gain
The CIO word n+1 bits shown in the following diagram are used for adjusting
offset and gain.
(Rightmost)
(Leftmost)
Word n
Output to be adjusted (1 to 8)
(1 to 4 for CS1W-DA041)
I/O specification
1: Output (fixed)
CLR
000000 CT00
SHIFT
CH
*DM
2
C
0
A
0
A
0
A
MON
2000 0000
CHG
2000 0000
PRES VAL ????
1
B
1
B
WRITE
2000 0011
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Bit
Word n+1
Clear Bit
Set Bit
Up Bit
Do
wn Bit
Gain Bit
Offset Bit
Содержание CJ1W-AD041-V1
Страница 3: ...iv...
Страница 5: ...vi...
Страница 9: ...x TABLE OF CONTENTS...
Страница 15: ...xvi...
Страница 99: ...76 Handling Errors and Alarms Section 2 8...
Страница 191: ...168 Handling Errors and Alarms Section 4 8...
Страница 243: ...220 Handling Errors and Alarms Section 5 8...
Страница 381: ...358 Handling Errors and Alarms Section 7 10...
Страница 385: ...362 Dimensions Appendix A...
Страница 395: ...372 Sample Programs Appendix B...
Страница 396: ...373 Appendix C Data Memory Coding Sheets...
Страница 417: ...394 Data Memory Coding Sheets Appendix C...
Страница 425: ......