C500RM201 Omron, C500RM201 Datasheet - Page 16
C500RM201
Manufacturer Part Number
C500RM201
Description
WRITE MASTER
Manufacturer
Omron
Datasheet
1.C500RM201.pdf
(130 pages)
Specifications of C500RM201
Leaded Process Compatible
No
Peak Reflow Compatible (260 C)
No
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Remote I/O Systems
Optical and
Wired Masters
on Rack
Master
on Rack
PC
PC
A Remote I/O System directly involves only one PC and the program in it and
through it a large number of I/O points can be controlled a greater distance
from the PC. This is achieved by mounting a Remote I/O Master Unit to the
CPU Rack to control I/O points located possibly many kilometers away. Each
Master serves as a ‘switching point’ for controlling all of the I/O points ac-
cessed through it. These I/O points are accessed through the Master, not
controlled by it. All I/O control comes from the program in the CPU Unit.
More than one Master can be mounted to a single PC, with each Master
forming the starting point of a Remote I/O Subsystem, i.e., a Remote I/O
Subsystem includes one Master plus all of the Remote I/O Units controlled
through it.
The Remote I/O Units that can be included in each Subsystem depend on
the specifications of the Master. Masters are available either with optical or
wire specifications. Optical Remote I/O Systems transfer data through opti-
cal fiber cables to enable the greatest transmission distance and the great-
est resistance to electrical noise. Wired Remote I/O Systems use wire ca-
bles which don’t offer as great a distance as Optical Subsystems, but do
greatly reduce the burden of wiring remote I/O and afford greater resistance
to noise than independently wired I/O points. Both types of Master can be
mounted to the same PC to meet specific distance and noise-resistance re-
quirements.
All Remote I/O Systems consist of at least one Remote I/O Master Unit con-
nected in series to one or more Units accessed through it. One of these Units
that is common to most Remote I/O Systems is a Remote I/O Slave Unit.
Optical Subsystem
Wired Subsystem
Conveyer
Auto welder
Label printer
Remotely Controlled I/O Devices
Packing machine
Glue coater
Polisher
Section 1-1
3
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