Installation
LT-0247 (10/95)
Model 781 "Easy Entry" Wiegand Input Keypad
Description
The 781 Wiegand Input keypad is an enhanced Security Command Keypad that allows you to connect Wiegand format
access control readers to DMP Command Processor™ panels. Any proximity, magnetic stripe, or other reader
technology that provides a Wiegand data format can be used with the 781 keypad.
How the 781 Works
The 781 keypad works by allowing users to present a card or token to an access control reader that in turn sends data
containing their user code to the keypad. The 781 reads the user code, verifies its authority with the panel, and then
powers its on-board Form C relay releasing a door strike or magnetic lock. The door being controlled by the relay must
then be opened within five seconds to start the 30 second "Soft-Shunt™" entry/exit timer. The user code sent by the
card reader can also be entered manually by the user through the keypad.
Zone three Request to Exit
You can also connect a normally open PIR or other motion sensing device to zone three (White/Orange pair) on the
781 to provide a hands-free request to exit capability to the system. When the user is sensed by the device, its contacts
short zone three and cause the keypad relay to activate for five seconds. During this time, the user must open the
protected door to start the 30 second "Soft-Shunt™" entry/exit timer. If the door is not opened within five seconds, the
relay restores the door to its locked state.
Door contact loop with Soft-Shunt™
Connect the wiring from the controlled door's normally
open or normally closed contact to Loop #2 (White/Red
pair) on the keypad harness. Once the door strike relay
is activated, the user has 5 seconds to open the door
connected to Loop #2. The loop is then automatically
shunted for 30 seconds.
12 VDC access control readers
Connect the Red and Black power wires from the
reader to the power wires from the panel. These
connect in parallel with the keypad power wires. Connect
the White data wire from the reader (Data 1) to the
White wire on the 5-position keypad harness. Connect
the Green data wire from the reader (Data 0) to the
Green/White wire on the 5-position keypad harness.
5 VDC access control readers
Connect the Black power wire to the Black Common
wire from the panel. Connect the Red power wire from
the reader to either a separate power supply or to a 5
volt regulator placed in series with the Red power wire
from the panel. Connect the White data wire from the
reader (Data 1) to the White wire on the 5-position
keypad harness. Connect the Green data wire from the
reader (Data 0) to the Green/White wire on the
5-position keypad harness.
Once all the wire connections are made, mount the
keypad using appropriate size anchors and the four
enclosed #6 machine screws. Use the two #6 x 32 flat
head screws when mounting the keypad on a single
gang box.
Figure 1: 12 VDC reader wiring
Black
12 VDC Card Reader
Zone 2 White/Red DOOR CONTACT
Zone 3 White/Orange REQUEST TO EXIT
Green
White
To keypad data bus
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}
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}
Zone 1 White/Brown
Zone 4 WhiteYellow
Violet - Door Strike Normally Closed
Gray - Door Strike Common
Orange - Door Strike Normally Open
White - Connect Reader Data 1
Green/White - Connect Reader Data 0
Red
Black
Red
To keypad data bus
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}
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}
Zone 2 White/Red DOOR CONTACT
Zone 3 White/Orange REQUEST TO EXIT
Zone 1 White/Brown
Zone 4 WhiteYellow
Violet - Door Strike Normally Closed
Gray - Door Strike Common
Orange - Door Strike Normally Open
White - Connect Reader Data 1
Green/White - Connect Reader Data 0
5 VDC Regulator
Red
Black
Red/White
Red
5 VDC Card Reader
Red
Black
Green
White
Regulator supplied with
Model 544 and 644 readers
Figure 2: 5 VDC reader wiring with regulator
2500 N. Partnership Boulevard Springfield, MO 65803
www.dmpnet.com
Digital Monitoring Products
