Inovance AC800 Series - Wring of I;O Communication Interface

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AC800 Series Intelligent Machine Controller Hardware User Guide 5 Wiring
Figure 5-6 Wiring of User terminal
5.3.1 Wring of I/O Communication Interface
1 De󶍾nition of I/O communication interface
Description Function
Signal
Name
No.
I/O communication
interface
No.
Signal
Name
Function Description
Starts the PLC
through a 500ms
high level width
pulse
On signal
(works with
UPS or
remote start)
1
1
2
3
4
5
6
7 8
9
10
11
12
2 P_STATUS Power-on signal
Active
after the
controller is
powered on
Enables power
failure retention
during ON-OFF
switchover
Power failure
detection
signal
P_OK 3 4 P_STATUS
Operation status
signal
Active
after the
controller is
powered on
OFF during RUN;
ON during STOP
RUN/STOP RUN 5 6 0 V
DO reference
ground
--
--
input
common
terminal
0 V 7 8 GND
communication
reference ground
--
COM1
RS485+
485+ 9 10 232R RS232 reception --
RS485- 485- 11 12 232T
RS232
transmission
--
NOTE
The status control signals in the above table are dedicated I/Os and cannot be
used otherwise.
2 Speci󶍾cations of status control signals
The speci󶍾cations of the status control signals are described in the following table:
Item Input Signal (pins 1/3/5) Output Signal (pins 2/4)
I/O Type DC digital input Transistor, high-level output
I/O Mode SOURCE SOURCE
In./out. Voltage Class
24 V (–20%
to +20%)
OFF voltage: > 5 V
24 V (–20% to +20%)
ON voltage: < 15 V
ON response time Less than 10 ms (hardware response time) 0.5 ms below (hardware response time)
OFF response time Less than 10 ms (hardware response time) 0.5 ms below (hardware response time)