Delta Mynah PLC-5 User Manual download pdf (Page 26)

Powerful Solutions for Digital Plants

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There are additional switches on the 1785-KE Module (Series B) which may require

adjustment. Refer to the Allen-Bradley User Manual for further information.

· SW1 - RS232C link features

· SW2 - Node number

· SW3 - Data highway Plus and RS-232C communication baud rates, and

Local/Remote option

· SW4 - Reserved for future use.

A.3 1770-KF2 Module Switch Settings

The 1770-KF2 module has 6 switch assemblies which allow the selection of various

communications options. The 1770-KF2 Module RS-232C parameters should be set up

as follows:

· Full duplex

· Same parity as configured for the DeltaV PSIC Port

· BCC error checking

· RS-232 communications baud rate same as DeltaV PSIC Port

· Hardware handshake on

· Duplicate messages - ignore

· Execute diagnostic commands

There are additional switches on the 1770-KF2 module which may require adjustment.

Refer to the Allen-Bradley User Manual for further information.

· SW1 – Configure with parameters as defined above

· SW2/SW3/SW4 – Unique Station number for DH+

· SW5 - Data highway communication baud rate at 57.6k

· SW6 – Computer link baud rate and diagnostic commands

· SW7 – Data Highway +

· SW8 – RS-232

NOTES: Dip switch changes do not take affect until power is cycled on the KF2.

The fourth switch on SW1 must be set to ON. This enables hardware handshaking.

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Delta Mynah PLC-5 User Manual Page 26