AERCO Modbus Communications Manual - Manual (Page 60)

GF-114
MODBUS
Communication
Chapter 4
OMM-0035_0C USER MANUAL Hardware Setup & Installation
Page 60 of 200 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph.: 800-526-0288 05/18/12
RS232
PORT
JP5 JP6
P/O MOTHERBOARD
BMS SLAVE
EMS
MASTER
RS
485
RS
232
RS485 TO
BOILERS
RS485
PORT
RS485
OUT
RS232
IN
TERMINAL
BOARD
RS485-TO-
RS232
CONVERTER
EMS RS485 PORT TO BMS RS232 PORT USING INTERNAL CONVERTER
(4000 FT. MAX.)
(4000 FT.
MAX.)
Figure 4-3: EMS Master-To-BMS Slave Connection Diagrams (Sheet 2 of 2)