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3. SPECIFICATIONS
3.8
I/O Signals in Respect to the Master Module
The assignment of I/O signals and the functions is explained.
3.8.1
The AJ65BT-68TD uses 128 points for input and 128 points for output in respect to the data for the
master module.
The I/O signal assignment and the name of each signal are shown in the table below.
Device RX indicates an input signal to the master module from the AJ65BT-68TD, and device RY
indicates an output signal from the master module to the AJ65BT-68TD.
Signal direction : AJ65BT-68TD
Device No.
RXn0
CH.1 conversion completion flag
RXn1
CH.2 conversion completion flag
RXn2
CH.3 conversion completion flag
RXn3
CH.4 conversion completion flag
RXn4
CH.5 conversion completion flag
RXn5
CH.6 conversion completion flag
RXn6
CH.7 conversion completion flag
RXn7
CH.8 conversion completion flag
RXn8
CH.1 wire breakage detection flag
RXn9
CH.2 wire breakage detection flag
RXnA
CH.3 wire breakage detection flag
RXnB
CH.4 wire breakage detection flag
RXnC
CH.5 wire breakage detection flag
RXnD
CH.6 wire breakage detection flag
RXnE
CH.7 wire breakage detection flag
RXnF
CH.8 wire breakage detection flag
RX (n+1) 0
CH.1 measurement range over flag (lower limit)
RX (n+1) 1
CH.1 measurement range over flag (upper limit)
RX (n+1) 2
CH.2 measurement range over flag (lower limit)
RX (n+1) 3
CH.2 measurement range over flag (upper limit)
RX (n+1) 4
CH.3 measurement range over flag (lower limit)
RX (n+1) 5
CH.3 measurement range over flag (upper limit)
RX (n+1) 6
CH.4 measurement range over flag (lower limit)
RX (n+1) 7
CH.4 measurement range over flag (upper limit)
RX (n+1) 8
CH.5 measurement range over flag (lower limit)
RX (n+1) 9
CH.5 measurement range over flag (upper limit)
RX (n+1) A
CH.6 measurement range over flag (lower limit)
RX (n+1) B
CH.6 measurement range over flag (upper limit)
RX (n+1) C
CH.7 measurement range over flag (lower limit)
RX (n+1) D
CH.7 measurement range over flag (upper limit)
RX (n+1) E
CH.8 measurement range over flag (lower limit)
RX (n+1) F
CH.8 measurement range over flag (upper limit)
I/O signal list
→
Master module
Signal name
Signal direction : Master module
Device No.
RYn0
RYn1
RYn2
RYn3
RYn4
RYn5
RYn6
RYn7
RYn8
CH.1 sampling/travel average processing designation flag
RYn9
CH.2 sampling/travel average processing designation flag
RYnA
CH.3 sampling/travel average processing designation flag
RYnB
CH.4 sampling/travel average processing designation flag
RYnC
CH.5 sampling/travel average processing designation flag
RYnD
CH.6 sampling/travel average processing designation flag
RYnE
CH.7 sampling/travel average processing designation flag
RYnF
CH.8 sampling/travel average processing designation flag
RY (n+1) 0
CH.1 type "K" thermocouple selection flag
RY (n+1) 1
CH.1 type "E" thermocouple selection flag
RY (n+1) 2
CH.1 type "J" thermocouple selection flag
RY (n+1) 3
CH.1 type "T" thermocouple selection flag
RY (n+1) 4
CH.1 type "B" thermocouple selection flag
RY (n+1) 5
CH.1 type "R" thermocouple selection flag
RY (n+1) 6
CH.1 type "S" thermocouple selection flag
RY (n+1) 7
RY (n+1) 8
CH.2 type "K" thermocouple selection flag
RY (n+1) 9
CH.2 type "E" thermocouple selection flag
RY (n+1) A
CH.2 type "J" thermocouple selection flag
RY (n+1) B
CH.2 type "T" thermocouple selection flag
RY (n+1) C
CH.2 type "B" thermocouple selection flag
RY (n+1) D
CH.2 type "R" thermocouple selection flag
RY (n+1) E
CH.2 type "S" thermocouple selection flag
RY (n+1) F
3-8
MELSEC-A
→
AJ65BT-68TD
Signal name
CH.1 conversion enable flag
CH.2 conversion enable flag
CH.3 conversion enable flag
CH.4 conversion enable flag
CH.5 conversion enable flag
CH.6 conversion enable flag
CH.7 conversion enable flag
CH.8 conversion enable flag
Use prohibited
Use prohibited
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