IDEC FT1A Series User Manual page 204

7: D A
EVICE DDRESSES
D8026 Communication Mode Information (Port 2 and Port 3)
Communication mode information of port 2 and port 3 is stored in D8026.
Bit
15
D8026
0: Maintenance Communication
1: User Communication
2: Modbus RTU Master
3: Modbus RTU Slave
D8027-D8028 Slave Number
The slave number is stored in D8027 and D8028 when the communication mode of port 2 and 3 is maintenance communication or
Modbus RTU slave.
The slave number can be specified with either a constant or a data register in the function area settings. When data register is
specified, the slave number can be changed by storing the slave number in D8027 and D8028.
D8027: Port 2 Slave Number
D8028: Port 3 Slave Number
For SmartAXIS Pro/Lite maintenance communication, see "Maintenance Communication via Expansion Communication Port" on
page 9-3. For Modbus RTU slaves, see "Modbus Communication via RS-232C/RS-485" on page 11-1.
D8029 System Software Version
The PLC system software version number is stored to D8029. This value is indicated in the PLC status dialog box called from the
WindLDR menu bar. Select Online > Monitor > Monitor, then select Online > Status. See "Troubleshooting" on page 14-1.
D8030 Communication Adapter Information
Information about the communication adapters installed on the port 2 and port 3 connectors is stored to D8030.
Bit
15
D8030
0: RS232C communication adapter is installed
1: RS485 communication adapter is installed or no communication adapter is installed
D8031 Optional Cartridge Information
Information about the optional cartridge installed on the SmartAXIS is stored to D8031.
Bit
15
D8031
0: No optional cartridge is installed
1: Memory cartridge is installed
2: SD memory card is installed
3: Memory cartridge and SD memory card are installed
D8032-D8035, D8037, D8038 Interrupt Input Jump Destination Label No. [Ladder program only]
Jump destination label numbers for interrupt inputs are stored in these special data registers. To use interrupt inputs, store the
label number that corresponds to the special data register allocated to the interrupt input.
D8032=I0, D8033=I2, D8034=I3, D8035=I5, D8037=I6, D8038=I7
This function cannot be used when FBD program is selected as the programming language.
For details on SmartAXIS Pro/Lite interrupt inputs, see "Interrupt Input" on page 5-34.
7-12
Bit Bit Bit
8 7 4
0 0 0 0 0 0
Port 3 Port 2
Bit Bit
8 7
Port 3
Bit Bit
8 7
SD memory card
S AXIS P /L U '
MART RO ITE SER S
Bit
0
0 0
Bit
1 0
0 0
Port 2
Bit
1 0
0 0
Memory cartridge
M FT9Y-B1378
ANUAL