Rockwell-automation 1770-KF2 Data Highway or Highway Plus Interface Mo Bedienungsanleitung Seite 19

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Seitenansicht 18
Communication Concepts
Chapter 2
2-7
Configuration Considerations
Allen-Bradley manufactures a variety of communication interface
modules for different applications:
Communication
Interface Module
Cat. No.
Note
PLC Communication Adapter Module
1774-KA 1
PLC-2 Family Communication Adapter Module
1771-KA2 1
PLC-3 Communication Adapter Module
1775-KA
1 & 2
PLC-4 Communication Interface Module
1773-KA
1 & 2
PLC-5/Data Highway Communication Adapter Module
1785-KA ––
PLC-2 Family/RS-232-C Interface Module
1771-KG 2
Communication Controller Modules
1771-KE, -KF
3
Communication Interface Module
1770-KF2B 3
Provides interface between:
1
A PC Processor and a Data Highway Communication Link
2
A PC Processor and an RS-232-C Communication Link
3
A RS-232-C Communication Link and a Data Highway Communication Link
A 1785-KA module interfaces a Data Highway with a Peer
Communication Link. The module resides in a 1771 I/O rack and
receives its power from the rack’s backplane.
A 1771-KE module must be installed in an I/O chassis. The 1771-KD,
1771-KF, and 1770-KF2 are standalone modules. Modules 1771-KE,
1771-KF, and 1770-KF2 provide either peer-to-peer or master-slave
communication between an RS-232-C link, or to a modem link, and the
Data Highway.
RS-422-A/Data Highway Interface
A 1770-KF2 provides an interface between an RS-422-A communication
link and a Data Highway communication link. The 1770-KF2 is
functionally identical to the 1771-KF except that it is a desktop module,
provides its own power supply, and supports both RS-232-C and
RS-422-A communication.
RS-232-C/RS-422-A — PCL Interface
A 1770-KF2 provides an interface between an RS-232-C or RS-422-A
asynchronous link and a Peer Communication Link network.
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