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Jp3 jumper configuration), Instrument wiring, continued – Fairbanks 1155 SERIES Portable Utility SCALE WITH THE FB2255 User Manual

Page 17

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Section 2: Assembly

02/13

17

51315 Rev. 1

2.5. INSTRUMENT WIRING, CONTINUED

2.5.1.

JP3 JUMPER CONFIGURATION)

*Port should be set to RS485.

NOTE: 120 ohm Termination Resistors

are required if the receiver is the

last node on the network.

JP3

RS232

RS485

RS422*

PORT

1-2

Out

120 Ohm

Resistor

120 Ohm

Resistor

COM1

3-4

Out

In

Out

COM1

5-6

Out

In

Out

COM1

7-8

Out

In

Out

COM2

9-10

Out

In

Out

COM2

11-12

Out

120 Ohm

Resistor

120 Ohm

Resistor

COM2

TB2

J11

TB4-A

TB4-C

TB4-B

TB3

INTERNAL PROGRAM

SWITCH

TB5

Printed Circuit Board (

31308

)

JP3