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20
DIP Switch No.
Corresp
onding
Address
No.
Function
DIP 14
— —
Reserved.
DIP 15
— —
DIP 16
—
ON
: Set the VTH as
the extension.
DIP 16
—
OFF
: Set the VTH as
the main VTH.
5.2 DIP Switch Coding Rules
This section introduces how to configure the address of a VTH through the coding rules of DIP
switches. By setting the switches in combination, you can get any value from 1-4,094.
1. Find the mapping relationship between the DIP switch number and the address number you
plan to configure from the table.
It follows a calculation rule that combines only the numbers listed in the
Address No.
to form a
new address number.
2. Manually move the actuators corresponding to the DIP switches to the
ON
status, so that the
address of the VTH can be configured.
For example, if you want to set your VTH address as 4, you need to first find the mapping
relationship (DIP 3 equals to the address number of 4) in the table, and then manually move the
actuator of DIP 3 to the
ON
status. If you want to set your VTH address as 3, you need to do the
calculation (1+2=3; which equals to the value of DIP 1 and DIP 2 combined together in the
mapping relationship), and manually move both the actuator of DIP 1 and DIP 2 to the
ON
status.
If you want to set your VTH address as 133, you need to do a more complex calculation
(128+4+1=133, which equals to the value of DIP 8, DIP 3 and DIP 1 combined together in the
mapping relationship), and then manually move the actuator of DIP 8, DIP 3 and DIP 1 to the
ON
status.
Here is the list of commonly used VTH addresses (1-20) and their corresponding DIP switch
number combinations.
Table 5-2 Common VTH addresses (1-20) and DIP switch numbers
VTH Address DIP Switch Combination Coding Rule
1 DIP 1
2
DIP 2
3
DIP 2+ DIP 1
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