Omron CJ - 08-2008 - Page 360

312
PLC Setup Section 7-1
Peripheral Service Execution Time
Target Units (Units for Priority Servicing
)
Sync/Async Comms (Parallel Processing Modes)
The following setting is supported only by the CJ1-H CPU Units
Execution Mode (Parallel Processing Mode)
Programming
Console address
Settings Function Related
flags and
words
When set-
ting is read
by CPU Unit
Word Bit(s)
+219 00 to 07 00 to FF (hex)
Default: 00 (hex)
This parameter sets the time slice for
peripheral servicing (0.1 to 25.5 ms in 0.1-
ms increments). The specified amount of
time will be used to service peripherals for
each time slice.
00: Disable priority servicing
01 to FF: Time slice for peripheral servicing
(0.1 to 25.5 ms in 0.1-ms increments)
A266 and
A267
At start of
operation
(Can’t be
changed dur-
ing opera-
tion.)
Programming
Console address
Settings Function Related
flags and
words
When set-
ting is read
by CPU Unit
Word Bit(s)
+220 08 to 15 00
10 to 1F
20 to 2F
E1
FC
FD
Default: 00
Up to five Units can be specified for priority
servicing.
00: Disable priority servicing
10 to 1F: CPU Bus Unit unit number (0 to
15) + 10 (hex)
20 to 7F: CJ-series Special I/O Unit unit
number (0 to 96) + 20 (hex)
FC: RS-232C port
FD: Peripheral port
--- At start of
operation
(Can’t be
changed dur-
ing opera-
tion.)
00 to 07
+221 08 to 15
00 to 07
+222 08 to 15
Programming
Console address
Settings Function Related
flags and
words
When set-
ting is read
by CPU Unit
Word Bit(s)
+219 08 to 15 00
01
02
Default: 00
This parameter specifies if I/O memory
access is to be included in the peripheral
service processing executed in parallel with
instruction execution.
00: Not specified (disable parallel process-
ing)
01: Synchronous (Synchronous Memory
Access
02: Asynchronous (Asynchronous Memory
Access)
--- At start of
operation
(Can’t be
changed dur-
ing opera-
tion.)