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Tb2 load cell, Tb3 wiring connections, ac input – Fairbanks 1155 SERIES Portable Utility SCALE WITH THE FB2255 User Manual

Page 18

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Section 2: Assembly

02/13

18

51315 Rev. 1

2.5.2.

TB2 LOAD CELL

TB2

LOAD CELL

1

(–)Excitation 5V

2

(–)Sense

3

(+) Excitation

4

(+) Sense

5

Shield

6

(+) Signal

7

(–) Signal

JP7

(+) Sense Shorting Link

JP8

(–) Sense Shorting Link

2.5.3.

TB3 WIRING CONNECTIONS, AC INPUT

1

AC

AC Input

2

ACC

ACC Input

3

Ground

AC Ground

2.5.4.

TB4 WIRING CONNECTIONS, COM1 (A), COM2 (B), AND
COM2 (C)

*Port should be set to RS485.

TB4 (A)

RS232

RS485

RS422*

PORT

1

Rx – Receive Data

(–) RS485

RS422 (–) Rx

COM1

2

Tx – Transmit Data

(–) RS485

RS422 (–) Tx

COM1

3

CTS – Clear-to-Send

(+) RS485

RS422 (+) RX

COM1

4

GND -- Ground

GND

GND

COM1

5

RTS – Ready-to-Send

(+) RS485

RS422 (+) Tx

COM1

TB4 (B)

RS232

RS485

RS422*

PORT

1

Rx – Receive Data

(–) RS485

RS422 (–) Rx

COM2

2

TX – Transmit Data

(–) RS485

RS422 (–) Tx

COM2

3

CTS – Clear-to-Send

(+) RS485

RS422 (+) Rx

COM2

4

GND – Ground

GND

GND

COM2

5

RTS – Ready-to-Send

RS485

RS422 (+) Tx

COM2

TB4 (C)

20 MA

RS485

RS422

PORT

1

(+) TX – Remote Display
Passive, 20 mA Output

COM2

2

(–) TX – Remote Display
Passive, 20 mA Output

COM2

3

(+) 7.5V Bluetooth

®

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