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14
Specifications and Configurations
Section 1-2
1-2-4
Communications Specifications
Optical Ring System
Note
1.
The maximum distance between nodes depends on the connector and ca-
ble processing methods.
2.
With the token-bus method, the maximum number of nodes in an Optical
Bus System with optical bus nodes (i.e., model numbers ending in CLK11)
Items
Specifications
Type
Optical Ring (H-PCF cable)
Optical Ring (GI cable)
Communications method N:N token-ring method (token-ring mode)
N:N token-bus method (token-bus mode)
Code Manchester
code
Modulation Baseband
code
Synchronization
Flag synchronization (conforms to HDLC frames)
Transmission path format Ring method (token-ring mode)
Daisy-chain method (token-bus mode)
Transmission speed
2 Mbps
Maximum transmission
distance
20 km
30 km
Maximum distance
between nodes
Crimp cut: 800 m
Adhesive: 1 km (See note 1.)
62.5/124
µ
m: 2 km
50/125
µ
m: 1 km
Medium
H-PCF cable (optical two-core cable)
GI cable (optical two-core cable, 62.5/125
µ
m
or 50/125
µ
m)
Node connection method Connected via a special (full-lock connector)
connector. (A half-lock connector can also be
used.)
Connected via ST connectors.
Maximum number of
nodes
62 nodes (See notes 2 and 3.)
Applicable Programming
Devices
Controller Link Support Software (Ver. 2.00 or later), CX-Net in CX-Programmer
(see note 3), and Programming Console.
Communications func-
tions
Data links and message service
Number of data link
words
Transmission area per node:
1,000 words max.
Data link area (send/receive) that can be created for one CVM1 or CV-series PLC:
8,000 words max.
Data link area (send/receive) that can be created for one CS-series PLC:
12,000 words max.
Number of data link words that can be used in one network (total transmission):
62,000 words max. (See note 2.)
Data link areas
Bit areas (CIO, AR, LR), DM, EM (See note 4.)
Message length
2,012 bytes max. (including the header)
RAS functions
Polling node backup function
Self-diagnosis function (hardware checking at startup)
Echoback test and broadcast test (using the FINS command)
Watchdog timer
Error log function
Node bypass function
Transmission path duplication (For ring method in token-ring mode only.)
Disconnect detection and notification (Token-ring mode only.)
Node connection configuration data reading (For ring method in token-ring mode only.)
Duplex operation of Communications Units (See note 5.)
Error control
Manchester code check
CRC check (CCITT X
16
+ X
12
+ X
5
+ 1)
Summary of Contents for CS1W-CLK12-V1
Page 3: ...iv ...
Page 5: ...vi ...
Page 9: ...x TABLE OF CONTENTS ...
Page 11: ...xii ...
Page 59: ...42 Component Names and Functions Section 3 1 Dimensions Unit mm ...
Page 62: ...45 Component Names and Functions Section 3 1 Dimensions Unit mm ...
Page 91: ...74 CVM1 and CV series Optical Ring Controller Link Units Section 4 2 ...
Page 108: ...91 Setting Data Links Section 5 2 Device Information Setting Data Link Tables ...
Page 125: ...108 Checking Data Link Status Section 5 4 ...
Page 181: ...164 Setting Routing Tables Section 7 4 ...
Page 199: ...182 Memory Areas Related to Duplex Operation Section 8 6 ...
Page 275: ...258 Handling Precautions Section 10 7 ...
Page 298: ...281 CS series Optical Bus Controller Link Units Appendix C Dimensions Unit mm 101 35 130 ...
Page 299: ...282 CS series Optical Bus Controller Link Units Appendix C ...