Omron CJ1M-CPU series Programming Manual

305
CPU Processing Modes Section 6-8
Peripheral Servicing
Note Event servicing to access I/O memory includes 1) Servicing any received
FINS commands that access I/O memory (I/O memory read/write commands
with common codes beginning with 01 Hex or forced set/reset commands with
common codes beginning with 23 Hex) and 2) Servicing any received C-mode
commands that access I/O memory (excluding NT Links using the peripheral
or RS-232C port).
Parallel Processing with Synchronous Memory Access
Program Executions
Peripheral Servicing
Note Event servicing to access I/O memory includes 1) Servicing any received
FINS commands that access I/O memory (I/O memory read/write commands
Overseeing Battery check, user program
memory check, etc.
0.2 ms
Peripheral
servicing
Event servicing for Special I/O Units Includes event servicing to
access I/O memory (See note.)
Max. of 1 s for each service.
Event servicing for CPU Bus Units
Peripheral port servicing
RS-232C port servicing
Event servicing for Inner Boards (CS
Series only)
Event servicing for communications
ports (internal logic ports) that are
being used (including background
execution)
Overseeing I/O bus check and other processing
0.3 ms
Instruction execution time Total execution time for all instructions
Minimum cycle time calculations Processing time for a minimum program execu-
tion cycle time
Cyclic ser-
vicing
I/O refresh I/O refresh time for each Unit x Number of Units
Special I/O refresh
for CPU Bus Units
Special I/O refresh time for each Unit x Number of
Units
Peripheral
servicing
File access Peripheral service time set in PLC Setup (default:
4% of cycle time)
Event servicing
requiring I/O mem-
ory access (See
note.)
Overseeing Battery check, user program
memory check, etc.
0.2 ms
Peripheral
servicing
Event servicing for Special I/O Units Except for event servicing to
access I/O memory (See note.)
Max. of 1 s for each service.
Event servicing for CPU Bus Units
Peripheral port servicing
RS-232C port servicing
Event servicing for Inner Boards (CS
Series only)
Event servicing for communications
ports (internal logic ports) that are
being used (including background
execution)

Omron CJ1M-CPU series Specifications

General

Brand	Omron
Model	CJ1M-CPU series
Category	Controller
Language	English