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PL5 Interface Option
Communications:
The -PL5 Interface Option allows the T-60 Series to communicate to the
Allen Bradley PLC-5 (Data Highway Plus™) through the 1785-KE or
1770-KF2 Series B Data Highway™ RS-232-C Interface Modules. The
communications cable is EMERSON EMC’s standard Null Modem cable
(N-MODEM-25-25 for the T-61 and N-MODEM-9-25 for the T-60 ).
Connections:
The -PL5 Option comes with the proper cable to interface direct to a
PLC-520,540 or 580 DF1 port. You may also choose a cable to interface to
either a 1785-KE or a 1770-KF2 Series B Data Highway™ RS-232-C
Interface Module. The cable sections are as follows:
Using the -PL5 with a 1785 KE Module:
T-60 - 20-00138-01
T-61 - 20-00141-01
Using the -PL5 with a 1770 KF2 Module:
T-60 - 20-00109-02
T-61 - 20-00109-01
Using the -PL5 with a PLC-520, 540, or 580 DF1 port:
T-60 - 20-00109-02
T-61 - 20-00141-01
Refer to the end of this section for the schematics for the above cables.
Allen-Bradley 1785 KE and 1770 KF2 Set-Up:
Correctly setting the dip switches on the 1785 KE or 1770 KF2 Interface
Module is an important step in the set up process. Furthermore it is a good
idea to make sure that your 1785 KE or 1770 KF2 is working properly by
communicating to the PLC5 via the KE or KF2 interface and Allen Bradley’s
programming software (APS). Follow the appropriate Allen-Bradley user’s
manual for setting up your system to communicate in this fashion. Once you
have successfully communicated with between the PC and your PLC,
communicating with the Eason is a snap.
SWITCH NUMBER
1 2 3 4 5 6 7 8
SW1 Up Up Up Up Up Up
SW2 Dn Dn Up Up Up Up Up Up
SW3 Dn Dn Up Dn Dn Dn
SW4 Up Up
Table 10
1785 KE Interface Module Dip
Switch Settings
T-60 Operator's Manual
74