Honeywell 3400 Installation Instructions Manual page 62

E-MON CLASS 3400 METER
Chapter 6.7 RS-485 Wiring Addendum
1. Open the supplied Ferrite Bead.
2. Loop the RS-485 network cable around itself one time, creating a loop large
enough to fit over the length of the Ferrite Bead. Be sure to make the loop so
that the Ferrite Bead is no more than 2" from the end of the wire that con-
nects to the meter.
3. Placed the looped section of the RS-485 over one side of the Ferrite Bead.
4. Close the Ferrite Bead securely.
5. Connect the +(high) terminal of PORT 1 of each meter together so that the +
terminals on all meters are linked, + to + to + ...
6. Connect the -(low) terminal of PORT 1 of each meter together so that the -
terminals on all meters are linked, - to - to - ...
Connect the GND terminals of PORT 1 of each meter so that the GND terminals
on all meters are linked, GND to GND, to GND...
FIGURE 2
62-0398—02 62
INSTALL THE FERRITE BEAD
WITHIN 2" OF THE END
OF THE WIRE THAT CONNECTS
TO THE METER.