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119
Control Codes of IORD and IOWR Instructions
Section 10-2
10-2 Control Codes of IORD and IOWR Instructions
This section describes how the control codes of the IORD and IOWR instruc-
tions are used in each mode.
Simple Counter Mode
OK: Possible
NG: Not possible
Linear and Circular Modes
OK: Possible
NG: Not possible
DM
Set item
IORD instruction control code
IOWR instruction control code
#00XX
#CCXX
#00XX
#CCXX
#FX00
---
XX = 0 to 99
---
XX = 0 to 99
X = 1, 2, 3
m
Operating mode
NG
OK
NG
NG
---
Present counter value
---
---
---
---
OK
DM
Set item
IORD instruction control code
IOWR instruction control code
#00XX
#CCXX
#00XX
#CCXX
#FX00
XX = 0 to 15
XX = 0 to 99
XX = 0 to 15
XX = 0 to 99
X = 1, 2, 3
m
Operating mode
NG
OK
NG
NG
---
m+1
Counter 1 input
NG
OK
NG
NG
---
m+2
Counter 2 input
NG
OK
NG
NG
---
m+3
First word num-
ber of block of
words storing
data transferred
NG
OK
NG
OK
---
m+4
Number of data
blocks trans-
ferred
NG
OK
NG
OK
---
m+5
Counter 1
ranges enabled
NG
OK
NG
OK
---
m+6
Counter 2
ranges enabled
NG
OK
NG
OK
---
m+7 to
m+8
Counter 1 maxi-
mum count value
NG
OK
NG
OK
---
m+9 to
m+10
Counter 2 maxi-
mum count value
NG
OK
NG
OK
---
m+11 to
m+14
Not used
NG
OK
NG
OK
---
m+15 to
m+19
Ranges 0 to 15
OK
OK
OK
OK
---
~
m+90 to
m+94
m+95 to
m+99
Not used
NG
OK
NG
OK
---
Present counter value
---
---
---
---
OK
Содержание C200H-CT021
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