CYPRES WDG-6112 User manual

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OSDP-Wiegand
USB Data Wedge
WDG-6112
Product Manual
Cypress Integration Solutions 40 Years of Access Control Ingenuity CypressIntegration.com
©2023 Cypress Computer Systems 1778 Imlay City Road, Lapeer, MI 48446 800-807-2977
Firmware version 1.04!
WDG-6112_Manual_230615
Product Overview
The WDG-6112 connects a computer via USB-C to an OSDP or Wiegand credential reader. Once
the reader reads a credential, the credential data is sent to the WDG-6112. Then, data is output to
the computer as keystrokes. This can be used to interact with computer applications such as
spreadsheet or text programs. !
Applications
•Create credential databases during site takeovers!
•Use with an RFID reader to create an enrollment reader solution!
•Troubleshoot readers/credential output in the field

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•USB-C connection to computer!
•Includes 1 meter (~39 in.) USB-C extension cable (female to male)!
•Supports OSDP and Wiegand credential readers!
•+5 VDC output for powering credential readers!
•Default configuration processes any credential format, outputs number of bits and raw
credential data in hexadecimal!
•Custom configuration allows processing of up to 10 credential formats simultaneously
Specifications
Part Number
Part Number
WDG-6112
UPC
816684006135
Physical
Physical Dimensions (L x W x H)
2.675 x 1.04 x 0.636 inches | 6.80 x 2.64 x 1.62 cm
Weight
WDG-6112
1 oz. | 28.35 grams
USB-C Cable
1.2 oz. | 34.02 grams
Environmental
Operating Temperature Range
32ºF to 185ºF | 0ºC to 85ºC
Enclosure Rating
Not rated for water or dust intrusion. Circuit board is set in
epoxy resin.
USB
Features male USB-C port and can connect directly to computer
Supports USB 2.0
Appears as a USB keyboard during normal operation
Appears as USB Mass Storage Device when in configuration mode
Electrical
Powered by USB-C connection
Power draw from USB-C Port
5 VDC @ 50 mA max
Power output (for credential readers)
5 VDC @ 450 mA max
Wiegand Input Signal Voltage Rating
0-24 VDC
Additional
Features
Includes 1 meter (~39 in.) USB-C extension cable (female to male)
Supports OSDP and Wiegand credential readers
Automatically discovers connected OSDP reader’s device address and baud rate for simple setup
Removable 6-position screw terminal block for credential reader connection
Simple custom configuration method (see CypressIntegration.com)
Configuration allows processing of up to 10 different credential formats simultaneously
Configuration allows specifying multiple fields for credential data (typically facility code and card
number values). Additionally, keypresses of any key before, between, and after the multiple data
fields can be added.
WDG-6112 Manual - Features and Specification

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WDG-6112 Manual - Table of Contents
Table of Contents
Topic
Page
Overview and Specifications
1-2
Approximate Dimensions & Status LED
4
Reader Connection Diagrams
5
Connecting RFID Readers
6
General OSDP Information / Capabilities
7
OSDP Initialization Sequence
8
Test Mode
9
Troubleshooting
10
Checking Computer Connection
11-12
Known Issues
13
Default Configuration / Badge Peeler Mode
14
Configuration Mode
15
Configuration Tool Overview
16
Configuration Tool: Output Configuration
17-22
Configuration Tool: OSDP Options
23-24
Badge Peeler Mode Configuration
25-26
Creating a Configuration
27-33
Calculate Number of Fixed Characters
34-35
OSDP Terminology
36-37

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WDG-6112 Manual - Approximate Dimensions & Status LED
Normal & Test Mode
LED State
Description
Solid Red
WDG-6112 is powered on via the USB-C
interface
Flashing Red
WDG-6112 is communicating with an OSDP
reader
Solid Green
WDG-6112 has received credential data & is
sending the data to the connected computer
The WDG-6112 has a bi-color red and green Status LED. The LED states and descriptions are
listed in Table 1 below.
2.675 in.
1.04 in.
6 position removable
terminal block for credential
reader connection
USB-C male
plug for
computer
connection
0.636 in.
Height
Status
LED
Table 1: WDG-6112 LED States

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WDG-6112 Manual - Reader Connection Diagrams
WDG-6112 and OSDP Reader Diagram
WDG-6112 and Wiegand Reader Diagram
Computer
Wiegand
Reader
Computer
OSDP
Reader

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WDG-6112 Manual - Connecting RFID Readers
The WDG-6112 supports both Wiegand and OSDP RFID readers. In general, the RFID reader data
interface, power input, and ground are connected to the 6-pin header on the WDG-6112. The
WDG-6112 supplies 5 VDC and a maximum of 450 mA* to power the reader. The power supplied
to the reader is via the USB port. !
*Note: Some USB ports may be incapable of outputting the full 450 mA. !
Connecting a Wiegand Reader
Connect the reader’s Data 0, Data 1, Ground, and Power Input lines to appropriate pins on the 6-
pin header. The WDG-6112 status LED will be solid red whether or not a Wiegand reader is
connected. When credential data from the Wiegand reader is received and processed by the
WDG-6112, the status LED will flash green once. !
Connecting an OSDP Reader
Connect both the reader’s data lines (OSDP+ and OSDP—) , Power Input, and Ground to the
appropriate pins on the 6-pin header. The WDG-6112 acts as an OSDP ACU (Access Control Unit),
polling the OSDP reader (PD - Peripheral Device). The WDG-6112 automatically finds the OSDP
reader by cycling through baud rates, attempting to establish an unencrypted communication
session using the broadcast address. When the WDG-6112 is communicating with the OSDP
reader, the status LED will flash red. When the OSDP reader sends credential data to the
WDG-6112, the status LED will flash green once. !
Connecting Two Readers
Both a Wiegand and OSDP reader can be connected to the WDG-6112 at the same time. In the
event that both readers send credential data to the WDG-6112 simultaneously, the OSDP reader is
prioritized. The credential data from the OSDP reader is output to the computer, and the credential
data from the Wiegand reader is discarded. Only one OSDP reader can be connected to the
WDG-6112 at a time.

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WDG-6112 Manual - General ODSP Information / Capabilities
The WDG-6112 is an OSDP ACU (Access Control Unit) that will control the OSDP reader/PD
(Peripheral Device). The capabilities of the WDG-6112 as an ACU are detailed below. !
Supported Communication Baud Rates
9600!
19200!
38400!
57600!
115200!
230400!
Supported Device Addresses
Device address 0-126 (0x00 - 0x7E) are supported. The Broadcast Address 127 (0x7F) is
supported and used to discover the OSDP reader’s devices address. !
Supported OSDP Commands and Replies
As an ACU, the WDG-6112 will send commands to and receive replies from the OSDP reader (PD).
Because the functionality of the WDG-6112 is limited in scope compared to a full OSDP access
controller, it only sends the commands and processes replies shown in Table 2 below.
Commands
Replies
osdp_POLL
osdp_RAW
osdp_ID
osdp_KEYPAD
osdp_COMSET
osdp_NAK
osdp_CHLNG
osdp_CCRYPT
osdp_SCRYPT
osdp_RMAC_I
osdp_KEYSET
osdp_BUZZ
osdp_LED
Table 2: WDG-6112 OSDP commands & replies
Other replies that are not listed above will not be processed, meaning that the WDG-6112 will not
take any action based on those replies. The OSDP communication will not be interrupted.
Examples of common replies that are not processed are osdp_ISTATR, osdp_OSTATR, and
osdp_LSTATR. These replies report the status of the OSDP reader’s inputs, outputs, and tamper
status.

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WDG-6112 Manual - OSDP Initialization Sequence
When establishing communication with an OSDP reader, the WDG-6112 performs the sequence
outlined in the steps below. !
1. The WDG-6112 sends the osdp_POLL command on device address 0 at 9600 baud. !
2. Step 1 will be attempted 8 times. If a device is found, proceed to step 7. !
3. If no device is found, the WDG-6112 will send the osdp_ID command on device address 127
(0x7F, broadcast) at 9600 baud.!
4. If no device is found, the WDG-6112 will send the osdp_ID command on on device address
127 (0x7F, broadcast), cycling through all supported baud rates (9600, 19200, 57600, 115200,
and 230400). !
5. Step 4 is repeated until a device is found. !
6. When a device is found, the osdp_COMSET command is set to the device to set its device
address to 0 and the baud rate to 9600.!
7. If Secure Channel communication is not enabled, skip to step 10.!
8. If Secure Channel communication is enabled, the WDG-6112 will attempt to establish a SCS.
The osdp_CHLNG and osdp_SCRYPT commands are sent to the device, using the SCBK_D
value specified in the OSDP Configuration file.!
9. If a new key (SCBK) is required, the WDG-6112 sends the osdp_KEYSET command to the
device. This sets the device’s SCBK to the value specified in the OSDP Configuration file.!
10. An unencrypted or SCS has been established between the WDG-6112 and the OSDP reader.
The WDG-6112 sends the osdp_POLL command to the reader until credential data is received
in the form of the osdp_RAW or osdp_KEYPAD replies. !
Note: The WDG-6112 uses the OSDP device address and baud rate set in the OSDP config file. By
default, it uses device address 0 and 9600 baud.

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WDG-6112 Manual - Test Mode
Test Mode is used to verify the WDG-6112 is communicating with the computer. While in Test
Mode, the WDG-6112 outputs a test string (see Figure 1). Afterwards, the WDG-6112 enters
normal operation.
Using Test Mode
1. Before powering on the WDG-6112, connect the Data 0 line to Ground.!
2. On the computer, open a text editor, such as Notepad (Windows) or TextEdit (Mac).!
3. Plug in the WDG-6112 to the computer. It will appear on the computer as a USB keyboard.!
4. The test string will appear if the WDG-6112 is communicating with the computer.!
5. Disconnect the WDG-6112 from the computer (powering the device down). !
6. Remove the jumper wire connecting Data 0 to Ground.!
7. Reconnect the WDG-6112 to the computer. The WDG-6112 will perform its normal operations.!
Figure 2 below shows the WDG-6112 with a jumper between Data 0 and Ground; this wiring
scheme puts the WDG-6112 into Test Mode.
Figure 1: WDG-6112 Test Mode output
Figure 2: WDG-6112 Test Mode wiring

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If the WDG-6112 is not outputting data as anticipated, please follow the steps below:!
1. Communication: Verify the WDG-6112 is communicating with the computer using Test Mode
(see pg. 9).!
2. Power: If powering a Wiegand reader separately from the WDG-6112, ensure there is a
common ground between the reader and the WDG-6112. A common ground is not required for
an OSDP reader.!
3. Inverted Data Lines: Flip/reverse the reader data lines. !
A. Wiegand reader: Look for garbage data.!
B. OSDP reader: Will not communicate with the WDG-6112.!
4. Voltage (Wiegand Reader): Use a multi-meter to check that the Data 0 and Data 1 lines are at
5 VDC (or the typical idle voltage if using a Wiegand reader that operates at a higher voltage).!
A. Measure the DC voltage between Data 0 and Ground. Then, measure the DC voltage
between Data 1 and Ground.!
B. If the voltage levels of one or both data lines are at or below 4.5 VDC, then disconnect
the Wiegand reader from the WDG-6112. The Data 0 and Data 1 lines on the WDG-6112
should read 0 VDC while no Wiegand reader is connected.!
C. If the voltage levels of one or both of the data lines are at or below 4.5 VDC (while not
connected to the WDG-6112), then the Wiegand reader likely needs external pull-up
resistors. Connect a 1K to 2K through-hole resistor to the data line(s) and the +5V line.
The data line(s) should now be pulled up to 5 VDC.!
D. If the voltage level for a Wiegand data line is below 1 VDC, then the line is clamped to
ground and cannot be recovered.!
5. Configuration: Verify the configuration is correct.!
A. Apply the Output Configuration file to the WDG-6112 again (see pg. 15).!
B. Apply the OSDP Configuration file again (see pg. 15).!
C. Re-create the configuration file to ensure the parameters are correct.!
6. OSDP: Verify the OSDP reader connection.!
A. Check the OSDP reader’s device address and baud rate. The WDG-6112 should set
these parameters; however, some readers may not apply the osdp_COMSET parameters
because the readers may not support specific values. Verify the reader supports
osdp_COMSET, and select values within the supported range. !
B. If using Secure Channel, check that the WDG-6112’s SCBK_D matches the reader’s
SCBK_D.
WDG-6112 Manual - Troubleshooting