Fairbanks X SERIES PR 5220 ETHERNET TRANSMITTER - Manual (Page 18)

Section 3: Installing the Instrument
05/11 19 51209 Revision 2
3.2 Connections
3.2.1 Load Cell Connection
The cable colors shown in this chapter are applicable to the PR 62XX series load
cells.
Before connecting other types, please, carefully follow the information related to the
assignment of load cell / platform cable colors.
3.2.2 Connection Using 6-Wire Technology
See also label on the housing outside (Chapter 2.3) and manual of the cable junction box.
Terminal Description
SIGN. M+
SIGN. M-
SENSE S+
SENSE S-
LC SUPPLY
V+
LC SUPPLY
V-
+ signal / LC output
- signal / LC output
+ sense
- sense
+ supply / excitation
- supply / excitation
Recommendations: - Install cable in steel pipe connected to earth potential
- Min. distance to high-voltage cables: 1m
Load cell supply circuit:
The load cell supply voltage is fixed to 12VDC and protected against short circuit
Load resistance of load cells > 75 ohms, e.g. 8 load cells of 650 ohms each
3.2.3 Connection of a Load Cell in 4-Wire Technology
Note that links between SENSE S+ and LC SUPPLY V+ and between SENSE S- and LC SUPPLY
V- directly at the transmitter must be provided.
Terminal Description
SIGN. M+
SIGN. M-
SENSE S+
SENSE S-
LC SUPPLY
V+
LC SUPPLY
V-
+ signal / LC output
- signal / LC output
+ sense
- sense
+ supply / excitation
- supply / excitation