Mitsubishi MELSEC Q Series Handbook

2 SERIAL COMMUNICATION MODULE REPLACEMENT
2 - 21
(2) Comparison between QnA/QnAS series and Q series
:Compatible, :Partial change required, ×:Incompatible
Input signal
Signal name
Compat-
ibility
Precautions for
replacement
QnA series QnAS series Q series
AJ71QC24N
AJ71QC24N-R2
AJ71QC24N-R4
A1SJ71QC24N1
A1SJ71QC24N1-R2
QJ71C24N
QJ71C24N-R2
QJ71C24N-R4
Xn0
CH1
Normal completion of transmission
CH1
Normal completion of
transmission
Xn1 Abnormal completion of transmission
Abnormal completion of
transmission
Xn2 Transmission processing in progress
Transmission processing in
progress
Xn3 Receive data read request Receive data read request
Xn4 Receive error detection Receive error detection
Xn5 (System use) (System use)
Xn6 CH1 mode switching CH1 mode switching
Xn7
CH2
Normal completion of transmission
CH2
Normal completion of
transmission
Xn8 Abnormal completion of transmission
Abnormal completion of
transmission
Xn9 Transmission processing in progress
Transmission processing in
progress
XnA Receive data read request Receive data read request
XnB Receive error detection Receive error detection
XnC (System use) (System use)
XnD CH2 mode switching CH2 mode switching
XnE CH1 ERR.LED ON CH1 error.
XnF CH2 ERR.LED ON CH2 error.
X(n+1)0 Modem initialization completion Modem initialization completion
X(n+1)1 Dialing Dialing
X(n+1)2 Connecting Line connection
X(n+1)3 Abnormal completion of initialization/connection Initialization, line connection failure
X(n+1)4 Modem disconnection completion Line disconnection completion
X(n+1)5 Normal completion of notification Normal completion of notification
X(n+1)6 Abnormal completion of notification Abnormal completion of notification
X(n+1)7
E
2
PROM read complete
Flash ROM read complete
X(n+1)8
E
2
PROM write complete
Flash ROM write complete
X(n+1)9
E
2
PROM system setting write complete
Flash ROM system setting completion
X(n+1)A CH1 global signal CH1 global signal
X(n+1)B CH2 global signal CH2 global signal
X(n+1)C System setting default completion System setting default completion
X(n+1)D (System use) (System use)
X(n+1)E QC24N ready signal (accessible) C24 ready signal
X(n+1)F Watchdog timer Watchdog timer

Mitsubishi MELSEC Q Series Specifications

General

Brand	Mitsubishi
Model	MELSEC Q Series
Category	Controller
Language	English