A-1
7. Appendix
Appendix 1. I/O Signal List
The A1S64TC uses 32 points for input and 32 points for output for the signal
communication with the PC CPU.
The I/O signal allocation and name of each signal are shown below.
Device X indicates the input signal from the A1S64TC to the PC CPU, and device
Y indicates the output signal from the PC CPU to the A1SJ64TC.
The I/O signal (X, Y) indicates that the device is installed to the slot 0 of the
main base unit.
Signal direction: A1S64TC
→
→
PC CPU
Signal direction: A1S64TC
←
←
PC CPU
Device No.
Name
Device No.
Name
X0
Watchdog timer error flag
Y00 to Y10 Unusable
X1
Temperature adjustment module
READY flag
Y11
Setting/action mode command
X2
Write error flag
Y12
Error reset command
X3
Hardware error flag
Y13
Unusable
X4
CH1 Auto-tuning status
Y14
CH1 Auto-tuning command
X5
CH2 Auto-tuning status
Y15
CH2 Auto-tuning command
X6
CH3 Auto-tuning status
Y16
CH3 Auto-tuning command
X7
CH4 Auto-tuning status
Y17
CH4 Auto-tuning command
X8
E
2
PROM write complete flag
Y18
E
2
PROM backup command
X9
Default value write complete flag
Y19
Default setting registration command
XA
E
2
PROM write incomplete flag
Y1A
CH1 PID forced stop command
XB
Unusable
Y1B
CH2 PID forced stop command
XC
CH1 Alert occurrence flag
Y1C
CH3 PID forced stop command
XD
CH2 Alert occurrence flag
Y1D
CH4 PID forced stop command
XE
CH3 Alert occurrence flag
Y1E
XF
CH4 Alert occurrence flag
Y1F
Unusable
X10 to X1F Unusable
Point
(1) When the unusable area are turned on/off by a sequence program, the
functions of the A1S64TC are not guaranteed.
However, when the A1S64TC is used with the remote I/O station, Y0E
and Y0F can be reset from a user program. Refer to the Data Link
System Reference Manual for details.