SDC EntryCheck 923 User manual

Features
Keypad programmable
500 user codes
4 to 6 digit user codes
4 independent outputs
4 independent timers
2 Form C relay contacts
2 solid state open collector outputs
Program entry codes to activate one or
two relays
Disable input
Door sense input
Request-to-exit/enter input
Keypad tamper lockout
Timed anti-passback
Anti-tailgate
Two LED status indicators
Tactile key feel
Audible code entry verification
12 or 24V, AC or DC operation
The 923 Indoor/Outdoor Keypad Surface Mount EntryCheck™ is a digital
keyless entry system designed for access control applications. The
keypad is integrated in a heavy cast vandal resistant housing, designed to
be mounted on a rugged, surface mounting plate and may be mounted in
a standard single-gang electrical box. The indoor/outdoor backlit keys
have bright, easy-to-read graphics.
Up to 500 entry codes, from 1 to 6 digits in length, can be programmed.
They can activate either, or both of the relay outputs. The “anti-passback”
feature prevents using the same code again before the programmed time
elapses.
All system indicators are long-lasting, solid state LEDs. Two indicators
show the status of the entry system. The left indicator lights red to
indicate power, then turns green when access is granted. The right yellow
LED flashes when the keypad is in programming mode. An internal
sounder beeps when each key is pressed. An internal jumper sets the
sounder volume high or low
The SENSE input can be used two ways. If programmed for “door sense”
the input is wired to a normally closed switch on the door to detect when
the door is opened or closed. Forced entry or door ajar situations can
then be detected. Using door sense, the “Auto-relock” feature will prevent
“tailgating” by turning off the Main Relay output immediately when the
door is closed after access has been granted. If the SENSE input is
programmed for “inhibit”, the input can be wired to a “service” switch or
automatic timer that will disable the Main Relay when required.
The REQUEST-TO-EXIT input can be wired to a pushbutton to provide
codeless activation of Main Relay, Auxiliary Relay, Output #3 or Output #4
(programmable).
The ALARM SHUNT output activates when access is granted. This
output can be wired to shunt alarm contacts on the access door/gate to
prevent triggering of an alarm when authorized access occurs.
The 923 EntryCheck™ is powered from a 12 or 24V AC or DC source.
The EEPROM memory retains all entry codes and programming, even
without power. An internal jumper is provided to reset the master code.
The Main Relay has a 5 Amp capacity. The Auxiliary Relay has a 2 Amp
capacity. Two solid state outputs, capable of switching 100 mA to
common, are programmable to signal forced entry, door ajar, lockout,
alarm circuit shunting, request-to-exit, and keypad active conditions.
Any suggestions or comments to this instruction or
product are welcome. Please contact us through
our website or email [e-mail]
P:\INSTALLATION INST\Access Controls\INST-923\INST-923.vsd Rev F 05-19 Page 1
INSTALLATION INSTRUCTIONS
923 EntryCheck TM
801 Avenida Acaso, Camarillo, Ca. 93012 • [phone] •
www.sdcsecurity.com • E-mail: [email protected]
SPECIFICATIONS
Mechanical
Dimensions: 1.750" W x 7.3125" H x 1.375" D
(1.4375” wall projection)
Electrical
Input Voltage: 12/24 Volts AC or DC
Operating Current: 30 mA typical, 150 mA max
Output Ratings
Main Relay: Form “C” 5 Amps @ 28 Volts max
Auxiliary Relay: Form “C” 2 Amp @ 28 Volts max
Type: Solid state outputs (Outputs #3 & #4)
Short-to-common 100 mA @ 24 VDC maximum
Environmental
Temperature: -4°F to 140°F (-20°C to 60°C)
Humidity: 5% to 95% non-condensing

P:\INSTALLATION INST\Access Controls\INST-923\INST-923.vsd Rev F 05-19 Page 2
CAUTION
IF THE UNIT IS AC POWERED, MAKE SURE
THAT THE SECONDARY OF THE SYSTEM IS
ISOLATED FROM EARTH GROUND
Test your new user
Enter PIN code ‘2580#’. The green indicator should illuminate and the main relay
should activate, unlocking the door for 5 seconds.
Assign a user code
Step 1. Enter: #9# 123456# Enter the program mode (default master code)
Step 2. Enter: 01# 002# 2580# 2580# 1# Assign User 002 with a PIN code of ‘2580’.
Activate the main relay when entered.
Step 3. Enter: # Exit programming mode
Deleting a user code
Step 1. Enter: #9# 123456# Enter the program mode (default master code)
Step 2. Enter: 02# 002# 002# User 2 has been deleted.
Step 3. Enter: # Exit programming mode
Adding additional user codes
Once the code length and relay time has been set you do not need to set them again for
additional users.
To add additional users:
Step 1. Enter: #9# 123456# Enter the program mode (default master code)
Step 2. Enter: 01# 003# 2222# 2222# 1# User 003 has been created with a PIN code of
‘2222#’ to activate the main relay
Step 3. Repeat Step 2 to enter another unique User # & PIN code OR skip to Step 4.
Step 4. Enter: # Exit programming mode
RED/GREEN
POWER/ACCESS
INDICATOR
YELLOW
“PROGRAM”
INDICATOR
KEYPAD
FRONT
Set default parameters (first time use)
Step 1. Enter: #9# 123456# Enter the program mode (default master code)
Step 2. Enter: 03# 4# Set the entry code length to 4 digits
Step 3. Enter: 21# 5# Set the main relay activation time for 5 sec.
Step 4. Enter: # Exit programming mode
QuickStart Programming
You must first enter programming mode to perform any function. The yellow indicator will blink slowly showing that the 923
EntryCheck™ is in programming mode. Use the option codes to program each function. After the new data entry is complete for
each function , the yellow indicator will flash quickly while the data is being stored and the green indicator will light briefly if the
programming has been accepted. The red indicator will light if any programming data is entered incorrectly or the function is rejected.
If a red indicator is seen, the entire function (option code + data) will have to be fully re-entered.The keypad will remain in
programming mode until # is pressed or after 30 seconds of inactivity.
BLACK
PINK/SALMON
GREEN
GRAY
BLACK
VIOLET
BLACK
BLUE
DOOR POSITION
SWITCH
[N/C]
REQUEST-TO-EXIT
SWITCH
[N/O]
GROUND
OUTPUT #4
OUTPUT #3
GROUND
SENSE
REQUEST TO EXIT
GROUND
E1
E8 E7 E6 E5 E4 E3 E2
C
NO C
NC
NO
AUXILIARY OUTPUTS
100mA MAX TO COMMON
{
*
*
NOT USED
NC
TO POWER SUPPLY KEYPAD POWER
12 or 24 VOLTS
AC OR DC
}
+
-
RED
BLACK
AUXILIARY RELAY
2 AMPS @ 28VDC MAX
}
NO
COM
ORANGE
WHITE
BLACK
MAIN RELAY
5 AMPS @ 28VDC MAX
}
NO
COM
NC
ORANGE
WHITE
YELLOW
POWER
WIRE
HARNESS
(E1-E8)
ANTI-TAMPER
SWITCH
AUXILIARY
RELAY
BACK
JP1
MAIN
RELAY
JP2
Grn Wire
To earth ground
Fig. 2 Wiring Pigtail Color Code

P:\INSTALLATION INST\Access Controls\INST-923\INST-923.vsd Rev F 05-19 Page 3
Fig. 5 Using Solid State Outputs
OUTPUT #3 LIGHTS AN LED
OUTPUT #4 LIGHTS AN LED AND SOUNDS A BEEPER
EXAMPLE #1:
POWER
SUPPLY +
LED
LED
BLUE
PINK/SALMON
1KΩ
1KΩ
-
+
OUTPUT #3
OUTPUT #4
ELECTRONIC
BEEPER
OUTPUT #3 LIGHTS A LAMP POWERED FROM AN EXTERNAL SOURCE
OUTPUT #4 TRIGGERS A NORMALLY OPEN ALARM PANEL ZONE
EXAMPLE #2:
BLUE
PINK/SALMON
OUTPUT #3 COM
OUTPUT #4 COM
POWER
SOURCE
OUTPUT #3
END OF LINE
RESISTOR ALARM PANEL
NO ZONE
COMMON
LOW
VOLTAGE
LAMP
-
+
BLACK
BLACK
OUTPUT #4
EACH
OUTPUT
100 mA
MAXIMUM
Wire
Pigtail
Wire
Pigtail
Fig. 3 Basic Door Installation
KEYPAD WIRING
See Fig. 3 for an example of a basic door installation. The keypad is
mounted adjacent to the door. An electric door strike is mounted in the
door jamb to release the door lock. A door contact switch is mounted on
top of the door jamb for detecting when the door is open.
Use the following steps to wire the keypad. Refer to the wiring diagram
shown in Fig. 4 to assist in the wiring.
Note: For lock power, use 18 AWG wire or larger (depending on load).
Use 22 AWG or larger for signal connections. Refer to lock
manufacturer’s documentation for lock power requirements.
Output Connection
Install a low-voltage fail-secure electric door strike at the door to be
controlled. Route 2 wires from the door strike to the keypad. Connect an
MOV across the coil wires of the strike. Connect the (+) door strike wire to
the keypad’s MAIN RELAY N.O wire (yellow). Connect the other door
strike wire to the keypad’s PWR(-) wire (black). Connect the keypad’s
MAIN RELAY COM wire (white) to the keypad’s PWR(+) wire (red) .
Power Connection
Connect the power supply’s output terminals to the keypad’s PWR(+) wire
(red) and PWR(-) wire (black). If using a DC supply, observe wiring
polarity. If an AC transformer is being used, polarity does not mater.
Caution: If the unit is AC powered, make sure the secondary of
the system transformer is isolated from earth ground.
Earth Ground
To avoid damage to the unit from static discharges, this unit must be
connected to a proper earth ground. Connect the green earth ground wire
to a good earth grounding point. Suggested wiring size is 18 AWG for
earth ground.
Sense Input
RE Note: The SENSE input (gray wire) can be programmed as either a
door sense or inhibit input. Both features cannot be used at the same
time. If you are not using the sense input, program this input for inhibit.
Door Sense: (Detect forced entry or door ajar conditions) Install a
normally closed door switch on the door and route two wires from the
switch to the keypad. Connect the door switch to the keypad’s SENSE
wire (gray/ E8) and COM wire (any black wire).
Inhibit: (Disable access) If an inhibit switch or timer is going to be used for
temporarily disabling the keypad, route two wires from the switch or timer
to the keypad. Connect the inhibit switch/timer’s normally open contacts
to the keypad’s SENSE (gray/ E8) and COM (black wires) terminal.
Request-to-Exit Input (wiring shown on page 3, fig. 4)
If a request-to-exit pushbutton is going to be used, route two wires from
the keypad box to a normally open pushbutton mounted on the secure
side of the door. Connect the wires to the pushbutton and to the keypad’s
REX wire (violet/ E6) and COM (black wires) terminals.
Solid State Outputs
The two solid state outputs (Outputs #3 & #4) can be programmed to
activate during various conditions. These “open collector” outputs can be
used to activate indicators or sounders. See fig. 5 for wiring examples
using the solid state outputs.
TO POWER SUPPLY KEYPAD POWER
12 or 24 VOLTS
AC OR DC
}
+
-
RED
BLACK
AUXILIARY RELAY
2 AMPS @ 28VDC
MAX
}
NC
NO
COM
ORANGE
WHITE
BLACK
FAIL SECURE CONNECTION
FAIL SAFE CONNECTION
MAIN RELAY
5 AMPS @ 28VDC
MAX
}
NC
COM
NO
ORANGE
WHITE
YELLOW
BLACK
PINK/SALMON
GREEN
GRAY
BLACK
VIOLET
BLACK
BLUE
DOOR POSITION
SWITCH
[N/C]
REQUEST-TO-EXIT
SWITCH
[N/O]
COMMON
OUTPUT #4
OUTPUT #3
NOT USED
COMMON
SENSE
REQUEST TO EXIT
COMMON
WIRE PIGTAIL
E1
E8 E7 E6 E5 E4 E3 E2
C
NO C
NC
NO
AUXILIARY OUTPUTS
100mA MAX TO COMMON
{
*
*
923
Keypad
Electric Strike
Door Sensor Switch
2 wires for
door sensor
2 wires
for strike
2 wires for
power supply
earth
ground
Fig. 4 Basic Door Installation Wiring
ANTI-TAMPER
SWITCH
MAIN
RELAY
JP2
Grn Wire
To earth ground

FACTORY DEFAULTS
Master Programming Code………..………………….….…...123456
Entry Code Length……………………………………….……..4 digits
Request-to-exit Output Relay………………………...........No Output
Alarm Shunt Output….………………………………….........Disabled
Forced Entry Output……………………………..………….No Output
Door Ajar Output…………………………………..………...No Output
Main Relay On Time………………………………...……..02 Seconds
Auxiliary Relay On Time………………………………...…02 Seconds
Solid State Output #3 On Time………………………..….02 Seconds
Solid State Output #4 On Time…………………………...02 Seconds
Door Sense/Inhibit Input…………………………...……..Door Sense
Keypad Lockout Output………………………………..…….Disabled
Keypad Active Output………………………………..…..…..Disabled
Beeper Sounds When Key Pressed……………………...………Yes
Beeper Sounds During Relay #1………………………..…...…….No
Beeper Sounds During Relay #2……………………………...…...No
Beeper Sounds During Output #3……………………………….....No
Beeper Sounds During Output #4……………………………........No
Keypad Lockout Count……….………......….3 Tries Before Lockout
Anti-Passback Time………………..……...……….No Anti-Passback
Auto-Relock…………………………………...………….………….On
BASIC PROGRAMMING
When the 923 EntryCheck™ is in Programming Mode the yellow
indicator will blink slowly. After a programming command is
selected, the yellow indicator will flash rapidly while the keypad is
waiting for user input data. The green indicator will light if the data
is accepted. The red indicator will light if any programming data is
entered incorrectly, and the command will have to be fully re-
entered. IMPORTANT!: Codes are stored by User #. It is
imperative that the User numbers and their assigned personnel are
managed in the event a specific user ever needs to be deleted.
Entering Programming Mode
The 6-digit Master Programming Code (default = 123456) is used
to enter Programming Mode.
Press: # 9 # Master Code #
Master Code = the current 6-digit Master Programming Code
Setting Entry Code Length Default: 4 digits
Press: 0 3 # Length #
Length = 4-6 for entry code length
Note: If the Entry Code Length is going to be changed from the factory
default of 4 digits, make this change first before programming any entry
codes.
Adding a New Entry Code
Press: 0 1 # User # Code # Code # Relay #
User = User number to be added (001-500). Must be unique.
Code=The new entry code: 1-999999, depending on code length
Relay=Relay output entry code will activate:
1=Main Relay 2=Auxiliary Relay 3=Both Relays
10=Relay #1, toggled 20=Relay #2, toggled 30=both Relays toggled
12=Relay #1 toggled; Relay #2 timed open
21=Relay #1 timed open; Relay #2 toggled
The yellow indicator will flash quickly while the 923 stores the new
user information in memory The green indicator will light when the
new user is accepted. If the user number already exists or an entry
error has been made, the red indicator will light. Delete the user and
re-enter the new information again.
Note: Leading zeros (zeros before the Code number, i.e.0001) do not need
to be entered when programming a new code. The 923 will internally add any
zeros to fill digits determined by the entry code length setting. Leading zeros
will have to be entered by the user when entering their code to gain access.
Erasing a Single Entry Code
Press: 0 2 # User # User #
User=The user ID to delete
The yellow indicator will flash quickly while the 923 searches its
memory for the User to erase. The green indicator will light when
the code is erased.
Erasing All Users
WARNING: PERFORMING THIS COMMAND WILL REMOVE
ALL USERS FROM THE MEMORY
Press: 9 7 # 0 0 0 0 0 0 # 0 0 0 0 0 0 #
Note: The green indicator will light while the memory is being erased. This
may take up to 15 seconds.
PROGRAMMING OPTIONS
There are several 923 EntryCheck™ programming options. For
most installations, the factory set default options are sufficient.
The keypad must be in Programming Mode to make these
changes.
Programming the 923 To Hold the Output
SDC’s EntryCheck™ products have a programmable “Toggle
Mode” available for each relay and solid-state output. When an
output is programmed for Toggle Mode, the output alternates from
OFF to ON or from ON to OFF each time it is activated. When
output is toggled on, the green LED remains solid until toggled off.
The rules for a toggle output are:
If the output is OFF, it will turn ON and stay on until the next
activation.
If the output is ON, it will turn OFF and stay off until the next
activation.
An authorized PIN, Card, or REX input programmed to
momentarily activate that same relay will reset the relay to its
normal state.
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Re-entering a Command After a Mistake
If the red indicator lights, signaling an incorrect entry, or an
incorrect key is pressed during programming, to clear the keypad
and re-enter the command:
Press: 9 #
Exiting Programming Mode
Press: #
The red indicator will light after exiting Programming Mode
Note: The 923 will automatically exit Programming Mode after 30
seconds of inactivity
Changing a User PIN
Press: 04 # User # New Code # New Code #
User =The user number whose PIN will be changed

Select Door Sense or Inhibit Input Default: INHIBIT
The Sense Input (gray wire) can be programmed for either
DOOR SENSE or INHIBIT.
Press: 1 0 # Input #
Input=0 for Door Sense; =1 for Inhibit
When programmed for DOOR SENSE, if an open condition on
the input occurs before access is granted (with an entry code or
with the request-to-enter input) a FORCED ENTRY output will
occur. If an open condition remains 60 seconds after a relay
activation for access, a DOOR AJAR output will occur. NOTE:
Function 11 and/or 12 must also be enabled to use Door Sense.
When programmed for INHIBIT, a closed condition on the input
will prevent Relay #1 from activating when access is requested
with an entry code. This mode is typically used with an external
timer to disable the access device at certain times.
Select Forced Entry Output Default: No Output
Sets which output activates if the DOOR SENSE input opens
before access is granted. This output is timed and configured
by the relay “On-time”.
Press: 1 1 # Output #
Output=Output to Activate(0-4)
1=Main Relay; 2=Auxiliary Relay; 3=Output #3; 4=Output #4;
0=No Output
Select Door Ajar Output Default: No Output
Sets which output activates if the DOOR SENSE input stays
open 60 seconds after access is granted (door ajar time is
adjustable using Function 25). This output is not timed.
Press: 1 2 # Output #
Output=Output to Activate (0-4)
1=Main Relay; 2=Auxiliary Relay; 3=Output #3; 4=Output #4;
0=No Output
Select Keypad Active Output Default: No Output
Sets which output activates when any keys are pressed. This
output is timed. If toggle mode is selected for the output, the timer
value defaults to 2 seconds.
Press: 1 4 # Output #
Output=Output to Activate(0-4)
1=Main Relay; 2=Auxiliary Relay; 3=Output #3; 4=Output #4;
0=No Output
Select Keypad Lockout Output Default: No Output
Sets which output activates when the keypad is “locked out” after
too many incorrect entry code attempts. The lockout time is 60
seconds.
Press: 1 3 # Output #
Output=Output to Activate (0-4)
1=Main Relay; 2 = Auxiliary Relay; 3=Output #3; 4=Output #4;
0=No Output
Select Alarm Shunt Output Default: No Output
Sets which output activates during the time access is granted.
(Use this output ot shunt alarm contacts attached to the access
door.) This output may be timed or toggled.
Press: 1 5 # Output #
Output=Output to Activate(0-4)
1=Main Relay; 2=Auxiliary Relay; 3=Output #3; 4=Output #4;
0=No Output
Select Request-to-Exit Output Default: No Output
Sets which output activates when the Request-to-Exit input is
grounded. This output may be timed or toggled.
Press: 1 6 # Output #
Output=Output to Activate(0-4)
1=Main Relay; 2=Auxiliary Relay; 3=Output #3; 4=Output #4;
0=No Output
REX input terminates toggle of Main or Aux. Relay
Main Relay On-time Default: 02 Seconds
Sets the length of time the Main Relay activates when triggered.
Green LED is on when Main Relay is active.
Press: 2 1 # Seconds #
Seconds=Output time in seconds (0-60)
Auxiliary Relay On-time Default: 02 Seconds
Sets the length of time the Auxiliary Relay activates when triggered.
Press: 2 2 # Seconds #
Seconds=Output time in seconds (0-60)
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(Typical Programming cont.)
See the following example that sets entry codes 1234 for normal
and 5678 for toggle operation.
Press: 0 1 # 1 2 3 4 # 1 2 3 4 # 1 #
01=Programming Step; 1234=Entry Code; 1=Main Relay
Press: 0 1 # 5 6 7 8 # 5 6 7 8 # 20 #
01=Programming Step; 5678=Entry Code; 20=Auxiliary Relay
toggle
Anti-Tamper Output Default: No Output
Sets which output activates when the Anti Tamper switch on the
back of the keypad is activated.
Press: 17 # Output #
Output=Output to Activate(0-4)
0=No Output; 2=Auxiliary Relay; 3=Output #3; 4=Output #4;

Beep Sounds During Auxiliary Relay Default: No
Selects whether or not the keypad beeps during Auxiliary Relay
activation.
Press: 4 2 # Sound #
Sound=1 for Yes, =0 for No
Beep Sounds During Output #3 Default: No
Selects whether or not the keypad beeps during Output #3
activation.
Press: 4 3 # Sound #
Sound=1 for Yes, =0 for No
Beep Sounds During Output #4 Default: No
Selects whether or not the keypad beeps during Output #4
activation.
Press: 4 4 # Sound #
Sound=1 for Yes, =0 for No
Keypad Lockout Count Default: 3 Tries
Sets the number or incorrect entry code attempts allowed
before the keypad “locks out”.
Press: 5 0 # Attempts #
Attempts=Number of attempts before lockout (2-7)
Anti-Pass Back Time Default: No Anti-Pass Back
Sets the length of time an entry code will not function after it is
used.
Press: 5 1 # Minutes #
Minutes=Time in minutes (1-4), 0=No Anti-passback
RESETTING KEYPAD
Master Reset
CAUTION: Performing a master reset will clear the
entire memory of the 923 and return all programmable
options to the factory default values. ALL ENTRY
CODES WILL BE ERASED. NOTE: The Master Code will
NOT be reset.
STEP 1 Disconnect power from the keypad.
STEP 2 Press and hold down the * and # keys.
STEP 3 Apply power to the keypad, continue holding the keys
down until the red indicator starts flashing
STEP 4 Release the keys. The red and yellow indicators will
remain lit until the process is complete, then the
yellow indicator will go out.
Resetting the Master Code
STEP 1 Remove the 923 from the wall and disconnect
power from the keypad.
STEP 2 Locate & Remove jumper at JP2. Reference page 2.
STEP 3 Re-apply power. You will get a single beep and
the yellow LED will flash momentarily.
STEP 4 Replace jumper on JP2.
THE MASTER PROGRAMMING CODE IS NOW 123456.
Beep Sounds During Main Relay Default: No
Selects whether or not the keypad beeps during Main Relay
activation.
Press: 4 1 # Sound #
Sound=1 for Yes, =0 for No
Solid-state Output #4 On-time Default: 02 Seconds
Sets the length of time Output #4 activates when triggered.
Press: 2 4 # Seconds #
Seconds=Output time in seconds (0-60), 99=Toggle Mode
Beep Sounds on Keystrokes Default: Yes
Selects whether or not the keypad beeps as each key is pressed.
Press: 4 0 # Sound #
Sound=1 for Yes, =0 for No
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Selects mode for Keypad LED Backlight Default: 30 Seconds
Selects whether or not the keypad back light stays OFF, lights for 30
seconds when activated or stays ON.
Press: 52 # Output #
0 = Light always OFF
1 = 30 sec light when activated (default)
2 = Light always ON
Door Ajar Timer Default: 60 Seconds
Sets the amount of time the door may be held open after an
authorized access. The DOOR AJAR output will activate after the
time expires.
Press: 25 # Seconds #
Seconds=Held open time in seconds (1-60)
Changing the Beeper Sound Level
The Keypad’s beeper can be set to high or low level.
Remove jumper JP1 to reduce beeper sound level.
Solid-state Output #3 On-time Default: 02 Seconds
Sets the length of time Output #3 activates when triggered.
Press: 2 3 # Seconds #
Seconds=Output time in seconds (0-60), 99=Toggle Mode
Changing the 6-Digit Master Programming Code
Press: 9 8 # Master Code # Master Code #
Master Code=The new 6-digit Master Programming Code
New master code: ____________

P:\INSTALLATION INST\Access Controls\INST-923\INST-923.vsd Rev F 05-19 Page 7
4X Mount at holes
With supplied
screws and hole
expansion anchors
1.375
7.3125
1.750
WALL MOUNT
MULLION MOUNT