5
®
FIGURE 3.
Wiring for E500 Communication Interface
WIRING FOR E110’SFOR MODBUS PROTOCOL
See Figure 4. Use an ED610 multi-port connector for each Flame-Monitor unit connected in a multi-
drop wiring configuration. A two (2) conductor, 22 gage, low capacitance shielded cable (Belden
8761 or equivalent) must be used between each ED610 multi-port connector. An ED512 cable is
required between the ED610 and the Flame-Monitor. A ferrite core is provided on the ED512 cable
to improve the electrical noise immunity of the FLAME-MONITOR system.
The connector nearest
to the ferrite core must be plugged into the EP Programmer.
Each Flame Monitor must be assigned its own unique address. Refer to bulletin E-1101 for specific
information. The baud rate of each Flame Monitor is fixed at 4800 bits per second. Modbus is avail-
able on all EP programmers having an engineering code of 38 or greater and EPD programmers hav-
ing and engineering code of 4 or greater.
MAKE SURE THE FLAME-MONITOR SYSTEM IS PROPERLY GROUNDED. REFER
TO THE WARNING BOX ON PAGE 2 TO ENSURE THE SYSTEM IS PROPERLY
GROUNDED.
Ground the shield at one end only of each individual wiring run. Total maximum cable distances
shall not exceed 4,000 feet.
NOTE: Cable should be routed within the cabinet so that it doesn’t come in close proximity with
ignition wires, high energy contactors or solenoids.
BELDEN 8761
TERMINAL CONNECTIONS
E500
ED610
E340
BLACK
4 (B)
9
80
CLEAR
5 (A)
10
81
ED610
10 9 8 7 6 5 4 3 2 1
J5
J1
ED610
10 9 8 7 6 5 4 3 2 1
J5
J1
E110
E500 COMMUNICATION
INTERFACE
ED512-2, -4, -8
FLAME-MONITOR
E340 BOILER
ROOM CONTROL
BELDEN 8761
CLEAR
BLACK
BLACK
CLEAR
To terminals
80 (BLACK)
81 (CLEAR)
E110
ED512-2, -4, -8
FLAME-MONITOR
E340 BOILER
ROOM CONTROL
BELDEN 8761
BLACK
CLEAR
To terminals
80 (BLACK)
81 (CLEAR)
CLEAR
BLACK
1
2
3 4
5
6
7
8
B A
TO RJ12 (4P4C) CONNECTOR
ON EP/EPD PROGRAMMER
TO RJ12 (4P4C) CONNECTOR
EP/EPD PROGRAMMER
DISTANCE FROM ED610 TO E340
MUST BE LESS THAN 10 FEET.
J2
J2
FERRITE
CORE
FERRITE
CORE
ON
