The document describes how to configure a GV-AS200 controller and DVR to trigger recording based on door access. There are two applications: 1) Recording starts when an entry door is accessed and stops when an exit door is accessed, limiting access to one person. 2) Recording starts for a set time when any door is accessed, allowing multiple persons. Wiring the controller outputs to the DVR inputs triggers recording on door events. Settings include work mode, relay switches, and recording time length.

1. How to Trigger DVR Recording through GV-AS200 Controller
Article ID: GV-33-08-07-21
Release Date: 2008/7/21
Applied to
GV-AS200 Controller
GV-System/GV-NVR (DVR)
Summary
GV-AS200 Controller can work in conjunction with the DVR to start and stop recording once
the exit and entry doors are unlocked. There are two applications in the case:
1. The entry and exit doors are limited to one person access. When a designated person
unlocks the entry door, the DVR starts recording. When the person leaves from the exit
door, the DVR stops recording.
2. More than one person can access the entry and exit doors. When people unlock the entry
door, the DVR starts recording for a set period of time. When people leave from the exit
door, the DVR starts recording again for a set period of time.
In the two applications, the GV-NET/IO Card installed on the DVR is connected to both
outputs of Door B and Door D on the GV-AS200 module. When Door A is opened, the signal
of Wiegand A will be transmitted to Wiegand B (Door B) and it will trigger the DVR to start
recording. When Door C is opened, the signal of Wiegand C will be transmitted to Wiegand D
(Door D) and it will trigger the DVR to start or stop recording.
Requirements
• 4-door modules: GV-AS200-4 or GV-AS200-4E
• DVR equipped with GV-NET/IO Card
GeoVision Inc. 1 Revision Date: 2008/7/21

2. To set the application for one person access
In this application, Door A is defined as the entry door, Door C is defined as the exit door, Door
B is set to trigger the DVR to start recording, and Door D is set to trigger the DVR to stop
recording.
1. The work mode of GV-AS200 Controller must be set to One Way Control. By default, the
work mode is One Way Control. If the default setting has been changed, use
GV-ASKeypad to modify it.
2. Connect the card reader to the Wiegand A inputs. Then connect the D0 and D1 pins of
Wiegand A and Wiegand B together, as illustrated below.
GND
BZ
RL
GL
D1
D0
12V
GND
BZ
RL
GL
D1
D0
12V
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3. 3. Connect the Door + pin of Door B outputs to the Input 1 pin of GV-NET/IO Card. Then
connect the Urgent 1 pin of Door B outputs to the Ground pin of GV-NET/IO Card, as
illustrated below.
Please note don’t connect any power to the Door B outputs.
4. Set the Door Relay Switch of Door B to NO.
5. Connect the card reader to the Wiegand C inputs. Then connect the D0 and D1 pins of
Wiegand C and Wiegand D together, as illustrated below.
GV-Reader
Wiegand D Wiegand C
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4. 6. Connect the Door + pin of Door D outputs to the Input 1 pin of GV-NET/IO Card. Then
connect the Urgent 1 pin of Door D outputs to the Ground pin of GV-NET/IO Card, as
illustrated below.
Please note don’t connect any power to the Door D outputs.
7. Set the Door Relay Switch of Door D to NO.
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5. 8. It is required to allow the accessibility of Door B and Door D in order to start and stop
recording once the Door A and Door C are unlocked.
9. To set the DVR, follow these steps:
a. Click the Configure button, click Accessories, click I/O Application and click I/O
Application Setting. The I/O Application dialog box appears.
b. Select Momentary Mode and click Start/Stop Camera Monitor by I/O.
c. Set Start Pin to Mod. 1 and Pin 1. Then set Stop Pin to Mod. 1 and Pin 1.
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6. To set the application for many people access
In this application, Door A is defined as the entry door, Door C is defined as the exit door, and
both Door B and Door D are set to trigger the DVR to start recording.
1. The work mode of GV-AS200 Controller must be set to One Way Control. By default, the
work mode is One Way Control. If the default setting has been changed, use
GV-ASKeypad to modify it.
2. Connect the card reader to the Wiegand A inputs. Then connect the D0 and D1 pins of
Wiegand A and Wiegand B together, as illustrated below.
GND
BZ
RL
GL
D1
D0
12V
GND
BZ
RL
GL
D1
D0
12V
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7. 3. Connect the Door + pin of Door B outputs to the Input 1 pin of GV-NET/IO Card. Then
connect the Urgent 1 pin of Door B outputs to the Ground pin of GV-NET/IO Card, as
illustrated below.
Please note don’t connect any power to the Door B outputs.
4. Set the Door Relay Switch of Door B to NO.
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8. 5. Connect the card reader to the Wiegand C inputs. Then connect the D0 and D1 pins of
Wiegand C and Wiegand D together, as illustrated below.
GV-Reader
Wiegand D Wiegand C
6. Connect the Door + pin of Door D outputs to the Input 1 pin of GV-NET/IO Card. Then
connect the Urgent 1 pin of Door D outputs to the Ground pin of GV-NET/IO Card, as
illustrated below.
Please note don’t connect any power to the Door D outputs.
7. Set the Door Relay Switch of Door D to NO.
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9. 8. It is required to allow the accessibility of Door B and Door D in order to trigger recording
when the Door A and Door C are unlocked.
9. To set the time length for recording, enter the number of seconds in the Lock Reset Time
field. After the specified time expired, the door will automatically be locked and the DVR
will stop recording. This setting is required for Door A and Door C.
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10. 10. To set the DVR, follow these steps:
a. Click the Configure button, click Accessories, click I/O Application and click I/O
Application Setting. The I/O Application dialog box appears.
b. Select Maintained Mode and click Start/Stop Camera Monitor by I/O.
c. Set Start/Stop Pin to Mod. 1 and Pin 1.
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