4-4
Section
IR and DM Areas
77
For normal mode, set the operation mode switch on the rear panel of the Unit as
shown in the following diagram.
The allocation of IR words and bits is shown in the following table.
I/O
Word
Bits
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Output
(CPU to
)
n
Not used.
Not used.
Peak hold
Not used.
Conversion
enable
(C U o
Unit)
Input
2
Input
1
Out-
put 2
Out-
put 1
n+1
Output 1 set value
16
3
16
2
16
1
16
0
n+2
Output 2 set value
n+3
Not used.
n+4
Not used.
Input
(U i
n+5
Input 1 conversion value / Loop 1 calculation result
p
(Unit to
CPU)
16
3
16
2
16
1
16
0
CPU)
n+6
Input 2 conversion value / Loop 2 calculation result
n+7
Not used.
n+8
Not used.
n+9
Error code
Not used.
Disconnection
detection
Not used.
Output set-
ting error
16
1
16
0
Input
2
Input
1
Out-
put 2
Out-
put 1
Note
For the IR word addresses, n = 100 + 10 x unit number.
For Units #A to #F (10 to 15), n = 400 + 10 x (unit number – 10).
Set Values and Stored Values
I/O
Item
Contents
Input
Peak value
function
0:
Do not use.
1:
Use peak value.
Conversion value/
Calculation result
16-bit binary data
Disconnection
detection
0:
No disconnection
1:
Disconnection
Output
Conversion enable
0:
Stop conversion output
1:
Begin conversion output
Set value
16-bit binary data
Output setting error 0:
No error
1:
Output setting error
Common
Error code
Two digits, hexadecimal (00 for no error)
The disconnection detection function can be used when the input signal range is
set for 1 to 5 V (4 to 20 mA).
Input signal range
Voltage/current
1 to 5 V
0.3 V max.
4 to 20 mA
1.2 mA max.
Allocation for Normal
Mode
