GEM DG-250 Operation User's Manual

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DG-250 Digital Keypad Entry system

Operation User's Manual

1. Product Characteristic:

 Allows up to 49+50 PIN codes  Dual relays output for multi-control  Door Reed Switch Input for Anti-Tailgating

Unit:mm

 Fully Programmable via keypad and master code  3 LED display with audible indication  Non-Volatile Memory  Invalid PIN Lock-out  Metal die casting housing  With vandal resistant screws

2. Specifications:

 Operating Voltage: 12~24 Vdc  Current Draw: Average 15mA, Peak 60mA @ 12Vdc  Input: request-to-exit, time out reed switch contact  Output: Dual relays, N.O./N.C./Com. Output (free voltage

contact)

 Relays Electric Current: 2A MAX @30Vdc ；0.4A @

120Vac

 Relay Activation Time: （＊100、＊200）

 Strike Time: 1~99 seconds（adjustable）  Strike mode: Access Timer or Latch

 Memory Volume: 49+50 PIN codes

 Relay 1 is controlled by 001~049 user slots

 Relay 2 is controlled by 050~099 user slots  PIN codes: 5 digit codes only  Operating Temperature: -20~+70℃  Ambient Humidity: 5~95% relative humidity non-condensing  Factory Master Code: 12345  Invalid PIN Lock-out: The system will shut down for 60 seconds while 32 codes of

incorrectly Master Codes enrolled or PIN codes attempted（None beeper signal of

keypad activations）.  Press key delay time: 60 seconds, one key has to be pressed after anther one within 60

seconds, or the complete password has to be redial again.  Color: Beige White

3. The indicator signal chart:

Sound and LED indicator:

Green LED Power on, stand-by

Red LED Relay 1 activated

LED signal

Yellow LED Relay 2 activated

1 Beep Effective PIN codes

2 Beeps

Entering 、Exiting from the Program mode

3 Beeps

Data computing error 、 other operation mistakes

Sound signal

5 Beeps

Master Code reset to Factory （12345）

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4. Operation Instruction:

 Enter Program Mode:

1. Compose twice the master code (Factory master is 「12345」)

→ 2 beeps → you are now in the "programming mode".

2. After 60 seconds if you have not entered any codes or data, the system will automatically exit from the programming mode. After 32 wrong codes attempts at the master code the lockout facility will operate.

 Exiting from the program mode:

1. Press「#」 to exit from the programming mode.

 Add PIN codes

Enter the Programming mode, Enter the slot position code 「＊001~＊099」→????? Input 5 digit PIN codes→ (beep) enrolled Æ（repeat） Press 「#」 to exit from the programming mode, or program other operating.

Note 1: The codes「00000」,「12345」or master code are not be used for PIN code. Note 2: PIN codes operate open door：「???????????＊＊＊＊＊」

「???….」random codes,「＊＊＊＊＊」5 digit PIN codes,「＃」Enter

Note 3: Relay 1 is controlled by 001~049 user slots, Relay 2 is controlled by 050~099

user slots

 To Delete a User Code：

Enter the Programming mode→ Press the slot position code of your choice to delete

(example "06") →Press「＊006」→「00000」→（beep）→delete→Press「#」 to exit from the programming mode, or programming other operating.

 To Program Relocking Timer

Enter the Programming mode,

A. Relay 1：Press「＊100」Followed by the number of seconds the relay should

open→「05」=5 seconds（01 ~99 = seconds）→（beep）→enrolled → Press 「#」 to exit from the programming mode, or program other operating.

B. Enter「00」Sets the relay to latching mode.

(Correct code entered opens the relay,

and the relay stays open until the correct code is entered again).

C. Relay 2：Press「＊200」Followed by the number of seconds the relay should

open）→「05 =5 seconds (01 ~99 = seconds). →（beep）→enrolled → Press 「#」 to exit from the programming mode, or program other operating.

D. Enter「00」Sets the relay to latching mode.

(Correct code entered opens the relay,

and the relay stays open until the correct code is entered again).

 Changing the Master codes: Enter the Programming mode, Enter「＊000」Followed by the new 5 digit master

code→（beep）→enrolled→Enter 「#」 to exit from the programming mode, or program other operating.

 Master Code reset to Factory 「12345」

Insert the jumper P1Æ 1-2 positionÆ5 audible beepsÆReset successfulÆ Return Insert the jumper to 2-3 position.

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5. Wiring diagram:

For DC use only For AC/DC

Note:

 The suggested wire gauge is #22~26 AWG.  The door strike must have a vartistor or a diode across the door strike terminals to

suppress the back EMF of the strike - failure to do so will damage the relay contacts and electronic components.

 Egresses switch should be N.O. type.  REED contact input for anti-tailgating. The access control unit “REED” contact must be

applied to the electric locking devices with "Door status" monitor function (output

contact to detect the door egress status), and not suitable for the ones with "Lock status" monitor function (Bond sensor to detect the lock is locked or unlocked)

Warranty:

The product is warranted against defects in material and workmanship while used in normal service for a period of 1 year from the date of sale to the original customer .GEM policy is one of continual development and improvement , therefore GEM reserves the right to change specifications without notice.