C500RT201 Omron, C500RT201 Datasheet - Page 29
C500RT201
Manufacturer Part Number
C500RT201
Description
WRITE SLAVE
Manufacturer
Omron
Datasheet
1.C500RM201.pdf
(130 pages)
Specifications of C500RT201
Leaded Process Compatible
No
Peak Reflow Compatible (260 C)
No
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Optical Connections in Wired Systems
2-4
Example 2: C200H Master
and C500 Slaves
Optical Connections in Wired Systems
C500 CPU Rack
Link Adapter
B500-AL007-P
RS-485
cable
C500 Master
C200 Master
When connecting C500 Slaves to C200H Masters, each C500 Slave must be
counted as 2 Slaves when figuring the total number of Slaves. This total,
which includes all optical and wired Slaves, must be no greater than 5 for any
one C200H PC. Here, Special I/O Units can be mounted to C500 Slave
Racks. Word assignments will be based on the C500 PC’s System, i.e.,
based on the order and positions of I/O Units mounted (starting at the left),
and not on fixed slot words.
Two B500-AL007-P Link Adapters can be used to extend the transmission
distance and/or to prevent interference from noise by inserting an optical link
between two Remote I/O Units. The two Link Adapters convert between wire
and optical signals, transmitting over the optical link between them. The
AL007-P Link Adapter is thus always used in pairs, and always between
Wired Remote I/O Units. The entire Master Subsystem, from Master to termi-
nator, must still be connected in series.
Up to 8 Link Adapters (4 pairs) can be used for each Master. To take full ad-
vantage of an optical link, shorten wire links as much as possible, even to the
point of placing the Link Adapter on the same control panels as the Remote
I/O Units.
Maximum cable length for any one section of optical cable is 20 m for
all-plastic optical fiber cable (APF); 200 m for plastic clad optical fiber cable
(PCF).
Refer to the Link Adapter manual for details on this and other uses of Link
Adapters.
C200H PC
APF/PCF
optical
cable
Link Adapter
B500-AL007-P
C500 Slave
C500 Slave Rack
C500 Slave
RS-485 cable
C500 Slave Rack
Remote
Interface
Terminator
I/O Block
C500 Slave
C500 Slave Rack
Section 2-4
17
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