9
Program
9.4.2. Lists of Fixed Allocations
The tables below list the addresses necessary to execute this program.
●Allocated CIO area
The following fixed addresses are determined by the unit address (unit number) that is set
for SCU. Therefore, you must not change these allocations.
This program uses the unit number 0.
Address Data type Variable name
1508.15 BOOL TransmissionError_SCU_0_P1
1508 WORD TransmissionErrorStatus_SCU_0_P1
For details on the CIO area allocated to SCU, refer to 2-3-2. CIO Area in 2-3. I/O Memory
Allocations in SECTION 2 Initial Settings and I/O Memory Allocations of the CJ Series Serial
Communications Units OPERATION MANUAL (Cat. No. W336).
●Related auxiliary area
The following addresses of the related auxiliary area are determined by the communications
port (logical port) specified in the program (CMND operands).
This program uses the communications port (logical port) No. 7.
Address Data type Variable name
A202.07 BOOL CommPortEnabledFlag_P7
A219.07 BOOL
CommPortErrorFlag_P7
A210 WORD
CommPortCompletionCode_P7
For information on related auxiliary area for the CMND instruction, refer to Related Auxiliary
Area Words and Bits in Network Instructions (CMND) in SECTION 3. Instructions of the CJ
Series Programmable Controllers INSTRUCTIONS REFERENCE MANUAL (Cat. No.
W474).