Omron SYSMAC CS Series User Manual

44
Configuration of Instrumentation System Section 1-2
Note The time required for duplex initialization depends on the type of operation
being performed, as shown in the following table.
6. Evaluation of External I/O Response Cycle (Dependent on CPU Unit's
Cycle Time)
The operating speed (operation cycle) itself of each function block on the
Loop Controller is not related to the CPU Unit's cycle time. However, as the
CPU Unit's I/O memory is accessed during data exchange, for example,
between Analog I/O Units and the Basic I/O Unit, the timing of data ex-
change is greatly influenced by the CPU Unit's cycle time.
The external analog I/O response cycle (equivalent to the I/O response cy-
cle on a general controller) when the Loop Controller is configured as part
Operation Duplex initialization time
Operations for
CPU Unit
Turning ON power to PLC a) 150 s max. + b) 2.1 s max.
Pressing initialization switch on
Duplex Unit
Starting CPU Unit operation Only b) 2.1 s max.
Transferring data to CPU Unit
Operations for
Loop Controller
component
Sending a cold or hot start com-
mand to the Loop Controller
a) 150 s max. + b) 2.1 s max.
Restarting the Loop Controller
component as an Inner Board
Clearing the error log in the
Loop Controller
:
:
Duplex Initialization Start
(Power to PLC turned ON, cold or hot start command executed, initialize
switch turned ON, Inner Board restarted, or error log cleared.)
Duplex Initialization Time (152 s max.)
a) Cycles Other Than the Last CPU Unit Cycle
150 s max.
CPU Unit’s cycle time
CS1D CPU Unit
Operation
start
CS1D-CPU@@P
Process-control CPU Unit
Active side
Standby side
Operation
start
Operation
standby
Extension of 44 ms max.
Loop Controller component’s operation cycle
Extension of 44-ms max.
Standby
Note: Duplex initialization at the start of CPU Unit operation or when data is transferred to the CPU Unit
will consist of b) only; a) will not be included.
a) Cycles other than the last CPU Unit cycle
b) Last CPU Unit cycle
Extension of 44 ms max.
Extension of a
pp
rox. 2 s max.
Operation start
Loop Controller component’s
operation cycle
Loop Controller component’s
operation cycle
CPU Unit’s cycle time
Extension of
approx. 2 s max.
Extension of
approx. 2 s max.
Approx. 2.1 s max.
b) Last CPU Unit Cycle
(See note.)

Omron SYSMAC CS Series Specifications

General

Brand	Omron
Model	SYSMAC CS Series
Category	Controller
Language	English