DCN3-12 Omron, DCN3-12 Datasheet - Page 59
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DCN3-12
Manufacturer Part Number
DCN3-12
Description
M18 SHIELDEDTCNCTR M12 BRNCH
Manufacturer
Omron
Datasheet
1.XW4B-05C4-TF-D.pdf
(166 pages)
Specifications of DCN3-12
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
DCN312
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Network Configuration
Applications Requiring
Thin Cable
38
cable alone. Use the following formulae to calculate the max. network length
based on the lengths of thick and thin cable in the line.
L
L
Example Calculation
The results of the above formulae indicate that 250 kbps and 125 kbps can be
used as the baud rates for this configuration example.
Even when the above conditions are met, however, the current flowing
through the cables must not exceed the permissible current capacity. (Refer to
SECTION 3 Communications Power Supply Methods.)
Thin cable must be used in applications where space is restricted and thick
cable cannot be bent enough. In particular, use thin cable when wiring
devices mounted to DIN Track and the area between the DIN Tracks is limited.
In conclusion, we recommend the following usage:
500 kbps
250 kbps
125 kbps
Trunk line
Branch lines
THICK
THIN
Node
L
L
L
Sub-panel
Thin
THICK
THICK
THICK
: Length of thin cable in the maximum network length
6 m
Baud rate
Thick cable
: Length of thick cable in the maximum network length
Max. network length
Thin
24 m
+ L
+ 2.5 × L
+ 5 × L
THIN
Unrestricted spaces such as outside panels
Restricted spaces such as within panels
THIN
= 175 m
Node
Node
THIN
L
L
L
Thick
THICK
THICK
THICK
= 375 m
125 m
Application
Thin cable
Thin cable
= 250 m
Max. network length
+ L
+ 2.5 × L
+ 5 × L
PS
THIN
DIN Track
Thin
THIN
20 m
≤ 100 m
THIN
≥ 100 m
≤ 250 m
≤ 500 m
Node
≤ 500 m
≤ 250 m
1 m
Terminal-block
Terminating Resistor
500 kbps not allowed
250 kbps OK
125 kbps OK
Thick cable
Thick cable
Thin cable
Cable type
Section 2-2