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MELSEC-Q
1 OVERVIEW
1 OVERVIEW
This manual explains the specifications, procedures for operation and troubleshooting
of the QJ71AS92 type AS-i master module (hereinafter, QJ71AS92).
The AS-i (Actuator-Sensor-Interface) is a network system specified by the IEC
standard: IEC 62026-2.
The QJ71AS92 is compatible with the AS-Interface Specification Version 2.11
(hereinafter, AS-i Ver.2.11), and can be used as the master module of the AS-i system.
Refer to IEC 62026-2 for details on the specifications related to the AS-i system
described in this manual.
Q25HCP
U
MODE
RUN
ERR.
USER
BAT.
BOOT
RS-232
USB
MITSUBISHI
MELSEC
POWER
PULL
QJ71C24
CH1.
CH2.
RS-232
CH1.
CH.2
SDA
SG
SDB
RS-422
/485
RDA
RDB
(FG)
(FG)
1
2
5
7
3
4
6
AS-i
power
supply
AS-i Slave
address 1A
AS-i Slave
address 2A
AS-i Slave
address 4A
AS-i Slave
address 1B
AS-i Slave
address 4B
Group B
Group A
QJ71AS92
AS-i Slave
Ver.2.04 Slave
address 6
Analog Slave
Slave
address 5
Use the AS-i cables, AS-i power supply and slaves that are compatible with AS-i Ver.
2.11 or AS-i Ver. 2.04.
The CPU module communicates the I/O data of the slaves via the QJ71AS92 buffer
memory according to instructions.
CPU module
I/O Slave
QJ71AS92
Analog Slave
Output data
Input data
Output data
Input data
Transmission
data
Receive data
Device memory
Communication
memory
Buffer memory
Output data
Input data
Output data
Input data
Transmission
data
Receive data
Instruction *1
Instruction *1
Communication
memory
*1: Use of GX Configurator-AS enables automatic refresh without programs. See
Chapter 5 for details.
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