Mitsubishi Electric NZ2FTGN User Manual page 396

Input data and Output data of the buffer memory of the RJ71EIP91 are stored for each NZ2FT-EIP station as shown in the
following data configuration.
Buffer memory
Address
10000H Station No.1
Station No.20 (maximum)
30000H Station No.1
Station No.20 (maximum)
■Input data
• Process data of each I/O module is arranged in order from the mounting position closest to the NZ2FT-EIP.
• The size of Process data of each I/O module depends on the I/O module. ( Page 392 Data width used by the I/O
module)
• Process data of the NZ2FTS4-4DE uses only 4 bits of b0 to b3. 4 bits of b4 to b7 are deleted and Process data of the next
I/O module is assigned next to the previous I/O module.
• Process data of the digital input module and the serial communication module are assigned without blanks in between.
• Process data of the analog module, high-speed counter module, and absolute encoder module with Input data is not
assigned in left-aligned increments of a byte or 4 bits, but is arranged from the start of next word.
■Output data
• Process data of each I/O module is arranged in order from the mounting position closest to the NZ2FT-EIP.
• The size of Process data of each I/O module depends on the I/O module. ( Page 392 Data width used by the I/O
module)
• Process data of the NZ2FTS4-4TE uses only 4 bits of b0 to b3. 4 bits of b4 to b7 are deleted and Process data of the next
I/O module is assigned next to the previous I/O module.
• Process data of the digital output module and the serial communication module are assigned without blanks in between.
• Process data of the analog module and high-speed counter module with Output data is not assigned in left-aligned
increments of a byte or 4 bits, but is arranged from the start of the next word.
12 NZ2FT-EIP
394
12.7 Access to Process Data
Input data
Status word (2 bytes)
Process data
(variable)
System area (8 bytes)
Output data
Control word (2 bytes)
Process data
(variable)
System area (8 bytes)
Input process data of each I/O module
b15
NZ2FTS3-8DE NZ2FTS3-8DE
NZ2FTS1-16DE
-
NZ2FTS-60AD4
-
NZ2FTS-D62P2
Output process data of each I/O module
b15
NZ2FTS2-8TE NZ2FTS2-8TE
NZ2FTS1-16TE
-
NZ2FTS-60DA4
-
NZ2FTS-D62P2
...
NZ2FTS4-4DE
NZ2FTS3-8DE
NZ2FTS1-16DE
NZ2FTS3-8DE
...
NZ2FTS4-4TE
NZ2FTS2-8TE
NZ2FTS1-16TE
NZ2FTS2-8TE
b0
b0