Tb2 load cell, Tb3 wiring connections, ac input – Fairbanks 1155 SERIES Portable Utility SCALE WITH THE FB2255 User Manual
Page 18
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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