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DLY (DELUXE) SERIES HYDRONIC CASSETTE
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Slave unit: turn OFF SW6 [DIP switch] before power on. Slave unit will beep once to the LCD wireless
handset or LCD wall pad confirming receipt of commands.
Shunt jumper S7 must be shorted for last slave unit on RS485 bus.
e) MASTER-SLAVE
CONTROL
Above control PCB can receive data from both wireless LCD handset and wired wall pad. Once wall pad
is connected the PCB, system will stop receiving data from wireless LCD handset. When wall pad is
disconnected from the PCB for 5 seconds, it will revert to wireless LCD handset reception automatically.
f) MASTER-SLAVE
COMMUNICATION
METHOD
There are two modes for Master-slave communication structure.
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Broadcasting communication (Global-control)
Master will broadcast the settings to all slave units. During normal operation, slave units can receive
commands from its wireless handset and wall pad control panel. Upon reception of master global
commands, all slave unit settings will be replaced by the master settings.
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Point to point communication (Addressable-control)
Master controller could be a LCD wall pad or a host computer control system. Slave units can set its
parameters as usual. Upon received the control commands from a master, the addressed slave unit
settings will be replaced by the master settings.
DIP SWITCH ADDRESS SETTING: 1 FOR ON, 0 FOR OFF
SW6 SW5 SW4
SW3
SW2
SW1
Unit
No.
Remark
1 0 0 0 0 0 01 Master
0 0 0 0 0 1 02 Slave
0 0 0 0 1 0 03 Slave
0 0 0 0 1 1 04 Slave
0 0 0 1 0 0 05 Slave
0 0 0 1 0 1 06 Slave
0 0 0 1 1 0 07 Slave
0 0 0 1 1 1 08 Slave
0 0 1 0 0 0 09 Slave
0 0 1 0 0 1 10 Slave
0 0 1 0 1 0 11 Slave
0 0 1 0 1 1 12 Slave
0 0 1 1 0 0 13 Slave
0 0 1 1 0 1 14 Slave
0 0 1 1 1 0 15 Slave
0 0 1 1 1 1 16 Slave
0 1 0 0 0 0 17 Slave
0 1 0 0 0 1 18 Slave
0 1 0 0 1 0 19 Slave
0 1 0 0 1 1 20 Slave
0 1 0 1 0 0 21 Slave
0 1 0 1 0 1 22 Slave
0 1 0 1 1 0 23 Slave
0 1 0 1 1 1 24 Slave
0 1 1 0 0 0 25 Slave
0 1 1 0 0 1 26 Slave
0 1 1 0 1 0 27 Slave
0 1 1 0 1 1 28 Slave
0 1 1 1 0 0 29 Slave
0 1 1 1 0 1 30 Slave
0 1 1 1 1 0 31 Slave
0 1 1 1 1 1 32 Slave
If master unit is equipped with wireless LCD handset only, it can only use broadcasting communication
method.
If it is equipped with LCD wall pad, it can use both communication methods.
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