Dip switch settings, 19 installation – Electro Cam PL-1746 Series User Manual
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2-19 Installation
DIP Switch Settings
Overview
Installation
Each PS-6400 keypad and PL-1746 module has a DIP switch. For convenience, set
these DIP switches before installing the keypads or module.
Termination Resistors
The PS-6400 keypad and PL-1746 PLS modules have built-in termination resistors for
the RS-485 network across which they communicate. The two devices at the physical
end of the RS-485 network must have their termination resistors connected; all de-
vices between them must have their termination resistors disconnected. The termina-
tion resistors are connected or disconnected by setting the appropriate DIP switches
on each device as indicated below.
PS-6400 Keypad DIP
Termination Resistors
Switch Settings
To connect the termination resistors, set switches 5 & 6 ON; to disconnect the
termination resistors, set switches 5 & 6 to OFF.
Address
Set switches 1-4 per the following chart to establish the desired address for the key-
pad. Keypad addresses must begin with 0 and increase sequentially. The physical
location of a keypad has no intrinsic relationship to its address. During initial program-
ming, the KEYBOARD QTY must be used to enter the number of keypads in the chain;
it can only be accessed through the keypad whose address is 0 or through the backplane.
Address
Switch 1 (B3) Switch 2 (B2) Switch 3 (B1) Switch 4 (B0)
0
ON
ON
ON
ON
1
ON
ON
ON
OFF
2
ON
ON
OFF
ON
3
ON
ON
OFF
OFF
4
ON
OFF
ON
ON
5
ON
OFF
ON
OFF
6
ON
OFF
OFF
ON
7
ON
OFF
OFF
OFF
8
OFF
ON
ON
ON
9
OFF
ON
ON
OFF
10
OFF
ON
OFF
ON
11
OFF
ON
OFF
OFF
12
OFF
OFF
ON
ON
13
OFF
OFF
ON
OFF
14
OFF
OFF
OFF
ON
15
OFF
OFF
OFF
OFF
PL-1746-C01 DIP Switch Settings (All reserved switches must be OFF)
Switch
ON
OFF
1
Local I/O Module
Remote I/O Module
2
Reserved
Reserved
3
Reserved
Reserved
4
Reserved
Reserved
5
Connect Termination Resistors Disconnect Termination Resistors
6
Reserved
Reserved
7
Reserved
Reserved
(continued)