A SERVICE OF

logo

Components and Architecture - Serial Ports (RS232 and RS485)
Revision 5 HC900 Hybrid Controller Installation and User Guide 21
9/03
A
L
M
I
%
Honeywell
RS-232
RS-232
RS 485
RS 485
Modbus
Modbus
Master
Master
Protocol
Protocol
Modbus
Modbus
Slave
Slave
Protocol
Protocol
2000 Ft
2000 Ft
Modbus Slave and Modbus Master
3rd Party HMI
Modbus Master
Modbus Slaves
A
L
M
I
%
Honeywell
7
A
L
M
I
%
Honeywell
RS-232
RS-232
RS 485
RS 485
Modbus
Modbus
Slave
Slave
Protocol
Protocol
Modbus
Modbus
Master
Master
Protocol
Protocol
2000 Ft
2000 Ft
Modbus Master and Modbus Slave
3rd Party HMI
Modbus Master
RS232 to RS485 Converter
A
L
M
I
%
Honeywell
Modbus Slaves
8
RS-232
RS-232
RS 485
RS 485
Modbus
Modbus
Slave
Slave
Protocol
Protocol
2000 Ft
2000 Ft
Modbus Slave and Modbus Slave
3rd Party HMI
Modbus Master
9
Modbus
Modbus
Slave
Slave
Protocol
Protocol
3rd Party HMI
Modbus Master
A
L
M
I
%
Honeywell
RS-232
RS-232
RS 485
RS 485
Modbus
Modbus
Master
Master
Protocol
Protocol
2000 Ft
2000 Ft
ELN and Modbus Master
Modbus Slaves
A
L
M
I
%
Honeywell
10
ELN Protocol
ELN Protocol
RS-232
RS-232
RS 485
RS 485
ELN Slave or
ELN Slave or
Modbus
Modbus
Slave
Slave
Protocol
Protocol
2000 Ft
2000 Ft
Modbus Slave/SixNet Modem
ELN
Modem
ELN protocol
ELN protocol
PC Application for Dial Out Function
11
Figure 17 Serial Port Configurations 7 – 11