3
3.3 I/O Signals for the Programmable Controller CPU
3.3.2 Details of I/O signals
3
- 22
1
OV
E
R
VI
EW
2
SYSTE
M
CO
N
F
IG
UR
A
T
IO
N
3
S
P
E
CI
F
ICA
T
IO
N
S
4
SE
T
U
P
AN
D
PR
OCE
D
U
R
ES
B
E
FOR
E
OP
ER
A
T
ION
5
UT
ILI
T
Y
P
ACK
AGE
(G
X CO
NFI
G
U
R
A
T
O
R
-
DA
)
6
PROGRAMMING
7
ON
LI
N
E M
O
D
U
LE
CHANGE
8
T
R
OU
B
LES
H
O
O
T
IN
G
Device No.
Signal name
Description
XB
Channel change
completed flag
(1) This is used as an interlock condition for turning on/off Channel change request (YB) when
specifying the user range and channel to perform offset/gain settings.
(2) Refer to Section 4.6 regarding the offset/gain settings.
XC
Set value change
completed flag
(1) This is used as an interlock condition for turning on/off Set value change request (YC) when
adjusting the offset/gain settings.
(2) Refer to Section 4.6 regarding the offset and gain settings.
XE
Warning output sig-
nal
(1) This turns on if the digital input value on any of the channels enabled for D/A conversion rises
to or above the Warning output upper limit value or falls below the Warning output lower limit
value.
(2) Turning on Warning output clear request (YE) or Operating condition setting request (Y9) turns
off Warning output signal (XE).
XF
Error flag
(1) Error flag (XF) turns on when a write error occurs.
(2) To turn Error flag (XF) off, remove the cause of the error and turn on Error clear request (YF).
Error code (Un\G19) changes to 0 and the ERR. LED turns off.
Channel change request (YB)
Channel change completed flag
(XB)
Offset/gain setting mode Offset/gain
specifications (Un\G22, Un\G23)
Offset/gain range setting (Un\G25)
Performed by the Q66DA-G
Performed by the sequence program
Set value change request (YC)
Set value change completed flag (XC)
Performed by the Q66DA-G
Performed by the sequence program
Warning output signal
(XE)
Warning output clear
request (YE)
Performed by the Q66DA-G
Performed by the sequence program
Error occur
Error code (Un\G19)
Error flag (XF)
Error clear request (YF)
Performed by the Q66DA-G
Performed by the sequence program
Содержание Q66DA-G
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