Omron CJ1G/H-CPU series - Page 84

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CJ1 and CJ1-H CPU Unit Comparison Section 1-6
Execu-
tion timing
CPU execution pro-
cessing modes
Any of the following four
modes:
Normal (instructions and
peripheral servicing per-
formed consecutively)
Peripheral Servicing Prior-
ity Mode (instruction exe-
cution interrupted to
service peripherals at a
specific cycle and time;
consecutive refreshing
also performed)
Parallel Processing Mode
with Synchronous Memory
Access (instruction exe-
cuted and peripheral ser-
vices in parallel while
synchronizing access to I/
O memory)
Parallel Processing Mode
with Asynchronous Mem-
ory Access (instruction
executed and peripheral
services in parallel without
synchronizing access to I/
O memory)
Either of following two
modes:
Normal (instructions and
peripheral servicing per-
formed consecutively)
Peripheral Servicing Prior-
ity Mode (instruction exe-
cution interrupted to
service peripherals at a
specific cycle and time;
consecutive refreshing
also performed)
Either of following two
modes:
Normal (instructions and
peripheral servicing per-
formed consecutively)
Peripheral Servicing Prior-
ity Mode (instruction execu-
tion interrupted to service
peripherals at a specific
cycle and time; consecutive
refreshing also performed)
(Add for CPU Units with lot
number No.
001201
@@@@ or later.)
CPU Bus
Unit spe-
cial
refresh-
ing
Data links During I/O refresh period
or via special CPU BUS
UNIT I/O REFRESH
instruction (DLNK(226))
During I/O refresh period
or via special CPU BUS
UNIT I/O REFRESH
instruction (DLNK(226))
During I/O refresh period
DeviceNet
remote I/O
Protocol
macro
send/
receive
data
Refreshing of CIO and
DM Areas words allo-
cated to CPU Bus Unit
Item CJ1-H CPU Unit
(CJ1H-CPU6@H)
CJ1M CPU Unit
(CJ1M-CPU@2/CPU@3)
CJ1 CPU Unit
(CJ1G-CPU4@)