Bently Nevada 3300/01 Series, Operation Manual

Page: 32 / 78

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System Monitor
80175-01
14 CABLING
CABLE CONNECTION TO ALLEN BRADLEY
1770-KF2 COMMUNICATIONS MODULE
The 1770-KF2 is a stand-alone communication interface which provides a RS-232C or RS-422A
link between asynchronous devices and an Allen Bradley Data Highway or Data Highway Plus
communications network.
D ATA H I G H W AY O R
D ATA H I G H W AY P L U S
- - - l i h .
II
USER S E L E : F E D
RS- 2 3 2 C O R R S - 4 2 A
C O M M U N I C AT I O N S L I N K
Al I F rJ BRADLEHI
17 / 0 - K F 2
With the KF2 module, either RS-232C o r RS-422A may b e used, I f RS-232C i s selected,
connections between the KF2 and the PIM should be made with cable part number 84916. If RS-
422 is specified, use cable part number 84917. Connect the cable to
the HOST connector on the
PIM. Set W4 through W13 jumpers on the interface appropriate for the communications standard
selected.
Maximum cable length for RS-232C is 100 feet. Maximum cable length for RS-422A is 4000 feet.
Use the RS-422A interface whenever possible.
Note
Since Allen Bradley protocol is full duplex, only one 3300 rack may be connected per KF2 module.
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