9-6
Communicating with Devices on a DH485 Link
Installing a DH-485 Network
A DH-485 network consists of a number of cable segments daisy-chained
together. The total length of the cable segments cannot exceed 1219 m
(4000 ft).
When cutting cable segments, make them long enough to route them from
one link coupler to the next with sufficient slack to prevent strain on the
connector. Allow enough extra cable to prevent chafing and kinking in the
cable.
Figure 9.1 Single Cable Connection
Important:
Use shielded, twisted-pair cable - either Belden 3106A or Belden 9842. A
daisy-chained network is recommended. Star connections are not recommended
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Belden 3106A or 9842 Cable
(3106A Shown)
Shrink Tubing
(Recommended)
White Wire
with Orange Stripe
(WH/OR)
Orange Wire
with White Stripe
(OR/WH)
Blue Wire
(BU)
Drain Wire
(Shield)
6 T
ermination
5 Data A
4 Data B
3 Common
2 Shield
1 Chassis Ground
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Содержание Allen-Bradley DriveLogix 5730
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Страница 68: ...3 20 Placing and Configuring Local I O Notes ...
Страница 131: ...Communicating with Devices on an EtherNet IP Link 6 33 This example shows DriveLogix1 producing tagA and consuming tagB ...
Страница 134: ...6 36 Communicating with Devices on an EtherNet IP Link Notes ...
Страница 155: ...Communicating with Devices on an ControlNet Link 7 21 This example shows DriveLogix1 producing tagA and consuming tagB ...
Страница 182: ...9 10 Communicating with Devices on a DH485 Link Notes ...
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