Omron OMNUC FND Series User Manual page 297

CompoBus/S Specifications
j Types of Connection-related Devices
Aside from Masters and Slaves, the following devices are used with a CompoBus/S System.
Cable Types
The following table shows the two cable types and their specifications.
VCTF (commercially available)
SCA1-4F10 Special Flat Cable (length: 100 m)
Note Do not use any VCTF cable other than two-core cable.
Connector and Terminal Block Types
The following table shows the types of connectors and terminal blocks that can be used.
Type
Pressure connector for
branching
Pressure connector for
extension
Pressure connector with
terminating resistance
Terminal block with
terminating resistance
Note 1. Connect the terminating resistance (i.e., pressure connectors or terminal blocks with termi-
nating resistance) at the end of the main line farthest from the Master.
Note 2. Use commercially available terminal blocks for branching or extending VCTF cable.
Note 3. For details regarding connectors and terminal blocks, refer to the CompoBus/S Operation
Manual (W266) .
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Type
Model
SCN1-TH4 This connector is used for branching from the main line to
branch lines. It can only be used with special flat cable.
SCN1-TH4E This connector is used for extending special flat cable.
SCN1-TH4T This is a connector with terminating resistance. It can only be
used with special flat cable.
SRS1-T This is a terminal block with terminating resistance. It can be
used with either VCTF or special flat cable.
Specifications
Vinyl cord, VCTF, JIS C 3306
Two-core nominal cross-sectional area: 0.75 mm
(signal line x 2)
Conductor resistance (20 C): 25.1 Ω/km
Nominal cross-sectional area: 0.75 mm
(signal line x 2, power line x 2)
Ambient operating temperature: 60 C max.
Remarks
Chapter 6
2
2
x 4
6-3