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System Setup, Auxiliary Area Allocations, and Built-in I/O Allocations Appendix C
Other
Allocations Related to DM Data Transfer (Coordinator Module Only)
Communications
Peripheral Port
Address Bits Name Function Controlled by
A401 08 Cycle Time Too Long
Flag (fatal error)
Turns ON if the cycle time exceeds the maximum cycle time set in the
System Setup (the Watch Cycle Time).
Module
A404 05 Constant Cycle Time
Exceeded Flag
Turns ON when the actual cycle time exceeds the specified constant
(minimum) cycle time.
06 Sync Cycle Time Too
Long Flag
Turns ON when one of the Modules exceeds the specified sync cycle
time. (Coordinator Module only)
A509 15 Constant Cycle Time
Exceeded Error Clear
Bit
Used to enable the constant cycle time function again after the con-
stant cycle time has been exceeded.
User
Address Bits Name Function Controlled by
A530 00 DM Write Request Bit
(Coordinator Module to
Motion Control Module)
DM data transfer is executed from the Coordinator Module to Motion
Control Module when this bit turns ON.
User
01 DM Read Request Bit
(Motion Control Module
to Coordinator Module)
DM data transfer is executed from the Motion Control Module to Coor-
dinator Module when this bit turns ON.
A531 00 to 15 Slot No. of Motion Con-
trol Module for DM
Transfer
Specifies the slot number (in 4-digit hexadecimal) for the Motion Con-
trol Module with which DM data is to be transferred.
0001: Motion Control Module #1
0002: Motion Control Module #2
0003: Motion Control Module #3
0004: Motion Control Module #4
A532 00 to 15 DM Transfer Size (num-
ber of words)
Specifies the size, in number of words, of the DM data to be trans-
ferred.
0001 to 01F3 hex (1 to 499 words)
A533 00 to 15 First DM Transfer
Source Word
Specifies the first address of the DM transfer source in the Coordinator
Module or Motion Control Module.
0000 to 7FFF hex
A534 00 to 15 First DM Transfer Desti-
nation Word
Specifies the first address of the DM transfer destination in the Coordi-
nator Module or Motion Control Module.
0000 to 7FFF hex
A535 14 Transfer Error Flag Turns ON when a DM data transfer error occurs.
15 Transfer Busy Flag Turns ON during DM data transfer and turns OFF when the transfer
has been completed.
Address Bits Name Function Controlled by
A412 02 to 05 Peripheral Port Error
Flags
Indicates the status of the error flags that turn ON when an error has
occurred at the peripheral port.
Module
08 Peripheral Port Commu-
nications Error Flag
Turns ON when a communications error has occurred at the peripheral
port.
15 Peripheral Port Settings
Changing Flag
Turns ON while the peripheral port’s communications settings are
being changed.
A502 01 Peripheral Port Restart
Bit
Turn this bit ON to restart the peripheral port.
This bit is turned OFF automatically when the restart processing is
completed.
User