Omron SYSMAC CS/CJ Series Programming Manual page 329

Peripheral Servicing Priority Mode
PLC Setup Settings
Address in Pro- Settings
gramming Console
Word Bit(s)
219 08 to 00
15 05 to FF
(Hex)
00 to 00 to FF
07 (Hex)
220 08 to 00
15 10 to 1F
20 to 2F
00 to
E1
07
FC
221 08 to
FD (Hex)
15
00 to
07
222 08 to
15
Conditions
Time Slice for Time Slice for
Peripheral Instruction
Servicing Execution
01 to FF: (0.1 to 05 to FF: (5 to
25.5 ms) 255 ms)
00 00
Any other
308
The following settings must be made in the PLC Setup to use the Peripheral
Servicing Priority Mode.
• Slice Time for Program Execution: 5 to 255 ms in 1-ms increments
• Slice Time for Peripheral Servicing: 0.1 to 25.5 ms in 0.1-ms increments
• Units and/or Ports for Priority Servicing:CPU Bus Unit (by unit No.)
Default
00 00: Disable priority mode servicing
05 to FF: Time slice for instruction execution
00 00: Disable priority mode servicing
01 to FF: Time slice for peripheral servicing
00 00: Disable priority mode servicing
10 to 1F: CPU Bus Unit unit number + 10 (Hex)
00
20 to 7F: CS/CJ Special I/O Unit unit number + 20 (Hex)
E1: Inner Board
00
FC: RS-232C port
FD: Peripheral port
00
00
• Operation and errors will be as shown below depending on the settings in
the PLC Setup.
• The setting cannot be made from the CX-Programmer.
Specified Units
and Ports
All correct settings Peripheral Servicing Priority
00 and correct set-
tings
Correct, but
redundant settings
Some illegal set-
tings
All 00 settings
00 and illegal set-
tings
All illegal settings
---
---
Note If an error is detected in the PLC Setup, A40210 will turn ON and a non-fatal
error will occur.
Function
(5 to 255 ms in 1-ms increments)
(0.1 to 25.5 ms in 0.1-ms increments)
CPU Unit operation
Mode
Peripheral Servicing Priority
Mode for items with correct
settings
Normal operation
Normal operation
Normal operation
Section 6-9
CS/CJ Special I/O Unit (by unit
No.)
Inner Board (CS Series only)
RS-232C port
Peripheral port
New set-
ting's effec-
tiveness
Takes effect
at the start
of operation
(Can't be
changed
during oper-
ation.)
PLC Setup errors
None
Generated
Generated
None
Generated