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3. SPECIFICATIONS
3.8
I/O Signals in Respect to the Master Module
Signal direction : AJ65BT-68TD
Device No.
RXn0
RXn1
RXn2
RXn3
RXn4
RXn5
RXn6
RXn7
RXn8
RXn9
RXnA
RXnB
RXnC
RXnD
RXnE
RXnF
RX (n+1) 0
RX (n+1) 1
RX (n+1) 2
RX (n+1) 3
RX (n+1) 4
RX (n+1) 5
RX (n+1) 6
RX (n+1) 7
RX (n+1) 8
RX (n+1) 9
RX (n+1) A
RX (n+1) B
RX (n+1) C
RX (n+1) D
RX (n+1) E
RX (n+1) F
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The assignment of I/O signals and the functions is explained.
3.8.1
I/O signal list
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.
→
Master module
Signal name
CH.1 conversion completion flag
CH.2 conversion completion flag
CH.3 conversion completion flag
CH.4 conversion completion flag
CH.5 conversion completion flag
CH.6 conversion completion flag
CH.7 conversion completion flag
CH.8 conversion completion flag
CH.1 wire breakage detection flag
CH.2 wire breakage detection flag
CH.3 wire breakage detection flag
CH.4 wire breakage detection flag
CH.5 wire breakage detection flag
CH.6 wire breakage detection flag
CH.7 wire breakage detection flag
CH.8 wire breakage detection flag
CH.1 measurement range over flag (lower limit)
CH.1 measurement range over flag (upper limit)
CH.2 measurement range over flag (lower limit)
CH.2 measurement range over flag (upper limit)
CH.3 measurement range over flag (lower limit)
CH.3 measurement range over flag (upper limit)
CH.4 measurement range over flag (lower limit)
CH.4 measurement range over flag (upper limit)
CH.5 measurement range over flag (lower limit)
CH.5 measurement range over flag (upper limit)
CH.6 measurement range over flag (lower limit)
CH.6 measurement range over flag (upper limit)
CH.7 measurement range over flag (lower limit)
CH.7 measurement range over flag (upper limit)
CH.8 measurement range over flag (lower limit)
CH.8 measurement range over flag (upper limit)
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Signal direction : Master module
Device No.
RYn0
CH.1 conversion enable flag
RYn1
CH.2 conversion enable flag
RYn2
CH.3 conversion enable flag
RYn3
CH.4 conversion enable flag
RYn4
CH.5 conversion enable flag
RYn5
CH.6 conversion enable flag
RYn6
CH.7 conversion enable flag
RYn7
CH.8 conversion enable flag
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
Use prohibited
Use prohibited
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