Omron SYSMAC CS Series Operation Manual page 35

Outline
Internal Operations
External I/O
Note
CJ1G-CPU42P (LCB01)
Operation cycle Maximum number of loops
0.01 s 20 loops
0.02 s 25 loops
0.05 s 25 loops
0.1 s 25 loops
0.2 s 25 loops
0.5 s 25 loops
1 s 25 loops
2 s 25 loops
The Loop Control Boards, Process-control CPU Units, and Loop-control CPU
Units have no external I/O functions. So, they must be used in a pair with a
Unit having an external interface, such as an Analog I/O Unit or Basic I/O Unit.
The Loop Controller exchanges data with the Unit having the external inter-
face via the CPU Unit I/O memory.
You can achieve all functions (operation functions/designation of field
input/output) simply by combining Control blocks, Operation blocks, and other
function blocks. This allows you to easily build a professional instrumentation
system on your PLC (Programmable Controller).
The following functions can be achieved by function blocks:
• Control and operation blocks (500 function blocks max. for LCB05 and
LCB05D (See note.), 300 function blocks max. for LCB03, or 50 function
blocks max. for LCB01): 2-position ON/OFF, Basic PID, Advanced PID,
Ratio Setting, Alarm/Signal Restrictions/Hold, Arithmetic (addition, sub-
traction, multiplication and division), Functions (Square Root, Absolute
Value, Segment Linearizer, etc.), Time Functions (Lead/Delay, Dead
Time, Ramp Program, etc.), Pulse Train Operation (Accumulator), Signal
Selection/Switching (Rank Selector, Constant Selector, etc.), Sequential
Control (Timers, Counter, etc.)
Note Only 100 function blocks can be used on the LCB05 and LCB05D
if Fuzzy Logic, Arithmetic Operation, or Time Sequence Data Sta-
tistics blocks are used.
• External controllers (32 function blocks max.):
ES100X Controller Terminal (Cannot be used on the CS1D-CPU@@P
and CJ1G-CPU@@P.)
• Logic sequence/step progression control (200 function blocks max. for
LCB03, LCB05, and LCB05D, 20 blocks max. for LCB01. 2,000 com-
mands in total.):
Step Ladder Program and sequence table (LCB05 and LCB05D only)
• Each of the points on the Analog I/O Unit and Basic I/O Unit is read and
written by the Field Terminal block (max. 80 function blocks).
• Specified contacts or analog data in the CPU Unit I/O memory is read and
written by user link tables.
• Data for Control, Operation, and External Controller blocks can be read
and written for SCADA software using the HMI function.
The CMND instruction can be executed in the ladder program in the CPU Unit
to send FINS commands to the Loop Controller to read and write function
block data.
Section 1-1
3