List Of Input/Output Signals - Mitsubishi Melsec-L Series User Manual

3.4 List of Input/Output Signals

Device
Signal description
number
CH1 Transmission normal completion
X0 1
ON: Normal completion
CH1 Transmission abnormal completion
X1 1
ON: Abnormal completion
CH1 Transmission processing
X2 1
ON: Transmission in progress
CH1 Reception data read request
X3 2
ON: Requesting read
CH1 Reception abnormal detection
X4 2
ON: Abnormal detection
CH1 Protocol execution completion
X5 1
ON: Execution completed
CH1 Mode switching
X6 3
ON: Switching
CH2 Transmission normal completion
X7 1
ON: Normal Completion
CH2 Transmission abnormal completion
X8 1
ON: Abnormal completion
CH2 Transmission processing
X9 1
ON: Transmission in progress
CH2 Reception data read request
XA 2
ON: Requesting read
CH2 Reception abnormal detection
XB 2
ON: Abnormal detection
CH2 Protocol execution completion
XC 1
ON: Execution completed
CH2 Mode switching
XD 3
ON: Switching
CH1 ERR. occurrence
XE
ON: Error occurring
CH2 ERR. occurrence
XF
ON: Error occurring
Modem initialization completion
X10
ON: Initialization completed
Dialing
X11
ON: Dial in progress
Connection
X12
ON: Connection in progress
Initialization/connection abnormal completion
X13
ON: Initialization/ connection abnormally completed
Modem disconnection complete
X14
ON: Disconnection completed
X15
Use prohibited
X16
X17 1 Flash ROM read completion
X18 1 Flash ROM write completion
Flash ROM system setting write completion
X19
ON: Completed
3 - 7
This section describes the input/output signals of the C24.
The following I/O signal assignment is based on the case where the start I/O No. of the
C24 is "0000".
Device numbers starting with X indicate input signals from the C24 to the CPU module.
Device numbers starting with Y indicate output signals from the CPU module to the
C24.
The following table lists the input/output signals for the CPU module.
Section 10.1
Section 11.1
User's Manual
(Application)
Section 10.1
Section 11.1
User's Manual
(Application)
Section 15.4
User's Manual
(Application)
ON: Completed
ON: Completed
Device
Reference
number
CH1 Transmission request
Y0
ON: Requesting transmission
CH1 Reception data read completion
—
Y1
ON: Data read completed
CH1 Mode switching request
Y2
ON: Requesting switch
CH1 Protocol execution request
Y3
ON: Requesting execution
Y4
— Y5
Y6
CH2 Transmission request
Y7
ON: Requesting transmission
CH2 Reception data read completion
—
Y8
ON: Data read completed
CH2 Mode switching request
Y9
ON: Requesting switch
CH2 Protocol execution request
YA
ON: Requesting execution
YB
— YC
YD
CH1 ERR.clear request
YE
ON: Requesting error clear
CH2 ERR. clear request
YF
ON: Requesting error clear
Modem initialization request (standby request)
Y10
ON: Requesting initialization
Connection request
Y11
ON: Requesting connection
Modem disconnection request
Y12
ON: Requesting disconnection
Y13
Y14
Y15
—
Y16
Y17 Flash ROM read request
Y18 Flash ROM write request
—
Flash ROM system setting write request
Y19
ON: Requesting
3 SPECIFICATIONS
Signal description
Use prohibited
Use prohibited
Use prohibited
ON: Requesting
ON: Requesting
Reference
—
User's Manual
(Application)
—
—
—
User's Manual
(Application)
—
—
Section 15.4
User's Manual
(Application)
—
—
3 - 7