Owner's manual

FI-521 Indicator Operation & Service Manual

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If a pigtail (an around 30cm cable with a 7-pin female connector) is used for loadcell interface,the cable

pinouts are:

A: Signal -

B: Excitation +

C: Signal +

D: Excitation -

E: Sense -

F: Sense +

G: Ground

26.3.4 RS232 Connector:

PIN # DEFINITION IN/OUT/POWER ELECTRICAL LEVEL

1 COM1 Receive Input -12 to +12Vdc

2 COM1 Transmit Output -12 to +12Vdc

3 GND Power ground 0Vdc

4 GND Power ground 0Vdc

5 COM2 Receive Input -12 to +12Vdc

6 COM2 Transmit Output -12 to +12Vdc

26.3.5 RS485 Connector:

PIN # DEFINITION IN/OUT/POWER ELECTRICAL LEVEL

1 RS485 signal A Input/output 0Vdc

2 RS485 signal B Input/output 0-5Vdc

3 GND Power ground 0-5Vdc

26.3.6 CAL Jumper set:

CONNECTED PINS FUNCTION

1-2 Calibration Enabled

2-3 Calibration Disabled

26.3.7 JP4 Jumper set:

CONNECTED PINS FUNCTION

1-2 RS485 terminal 120ohm resistor on board is disabled

2-3 RS485 terminal 120ohm resistor on board is enabled