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Communications Installation - Overview
86 HC900 Hybrid Controller Installation and User Guide Revision 5
9/03
Table 16 - Links to Controller Communication Ports
Controller
Port
/Connector
Type
Link Type:
Controller to
Cable Type To Device/Port Reference Data
RS-232
(9-pin “D”
connector)
Desktop or
Laptop PC
RS-232 Null Modem
cable, up to 50’
Or
RS-232 PC modem
cable, up to 50’
Serial port of PC (w/ Null
Modem cable)
or
Modem. Refer to RS-232
Remote Connection to
PC Configuration Tool on
page 91.
For Wiring details of
Null Modem cable, 9-
pin Male/Female
connector, see Figure
50 - Null Modem Cable
Construction.
RS-232
(9-pin “D”
connector)
Modbus master
(controller is
single slave)
RS-232 Null Modem
cable, up to 50’
Or
RS-232 PC modem
cable, up to 50’
RS232 to RS485
converter
Refer to device’s port
instructions
Page 20 Figure 16 &
Figure 17 #2, 7, 9
RS-232
(9-pin “D”
connector)
Modbus master
(controller is
one of multiple
slaves)
RS232 to RS485
converter
Refer to device’s port
instructions
Page 20 Figure 16 &
Figure 17 #6
RS-232
(9-pin “D”
connector)
Modbus slave
network
(controller is
master)
RS232 to RS485
converter
Refer to device’s port
instructions
Page 20 Figure 16 &
Figure 17 #4, 5, 8
RS-485
3-pin
Phoenix
1840379 (or
equivalent)
Operator
interface
Belden #9271 (or
equivalent)
Terminal connector of
operator interface. (Refer
to Table 18.)
Page 20 Figure 16 &
Figure 17 #1, 2, 4, 5, 6,
11
RS-485
3-pin
Phoenix
1840379 (or
equivalent)
Modbus master
(controller is
slave)
Belden #9271 (or
equivalent)
Refer to device’s port
instructions
Page 20 Figure 16 &
Figure 17 #3, 8, 9
RS-485
3-pin
Phoenix
1840379 (or
equivalent)
Modbus slave
network
(controller is
master)
Belden #9271 (or
equivalent)
Refer to device’s port
instructions
Page 20 Figure 16 &
Figure 17 #7, 10
10Base-T
RJ45
Host, Peer,
and Internet
Devices
Shielded CAT5E
cable, up to 100
meters. A crossover
cable is required for
PC to Controller
connection;
otherwise, straight
cable.)
RJ45 connector on Host,
Peer, or Internet Device