Rs-232 Communications - Honeywell H Series Installation Instructions Manual

H-SERIES GREEN CLASS NET METER

6.8 RS-232 Communications

6.8.1 Hardwired System using the RS-232 Communication Key
(for connecting an EZ-7 meter to a computer with E-MON
Energy™ software)
The RS-232 communications key (part number: SUB-RS232K) allows you to connect
Green Class Net meters that use E-7 protocol to a personal computer that has the E-
Mon Energy™ software installed. The computer communicates with the meters
through the RS-232 key.
The RS-232 key must be located within 15 feet of the host computer.
6.8.2 Connecting the RS-232 Key to the Computer
The RS-232 key is supplied with:
(1) 8-conductor cable fitted with RJ-45 plugs
(1) DB-9 serial COM port adapter
(1) AC adapter that converts 120VAC to 9VDC for powering the RS-232 key
Connection Steps:
1. Connect the 8-conductor cable to the left-side jack (labeled "RS232") on the rear
panel of the RS-232 key.
2. Connect the appropriate COM port adapter (DB-9) to the serial port on the back
of the computer. Plug the 8-conductor cable from the RS-232 key into the COM
port adapter.
62-0424-02
PC
CHANNEL 1
RS-232 SERIAL
PORT COM1
OR COM2
15 FEET MAX
AC ADAPTER
CHANNEL 3
Fig. 13. RS-232 Configuration.
UP TO 4000
FEET TOTAL
UP TO 52
GREEN
CLASS NET
METERS
RS-232
KEY*
UP TO 4000
FEET TOTAL
UP TO 52
GREEN
CLASS NET
METERS
26
~ ~
CHANNEL 2
~ ~
M33423