Rosslare MD-D02B Installation Manual
MD-D02B
2-Reader Expansion Module for AX-225x-B Control Panel
Installation Manual
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1. Introduction
The MD-D02B is an optional expansion board for use with Rosslare’s
AC-225x-B Networked Access Control panels.
The expansion board adds an additional 2 Wiegand reader ports (supports
keypads & RFID and Biometric) , 4 relay outputs (5 Amp 30V NO/NC FormC) and 4 supervised inputs with EOL to the access control panel.
As a result, an access control panel with an MD-D02B expansion can
support a total of four readers and four door panels. In addition, it is
possible to add any keypa d or biometric reader that supports the Wiegand
or Clock & Data trans mission formats.
The host access controller has complete control over the additional
readers, inputs and outputs of the MD-D02B ex pansion board. The inputs
and outputs can be configured using an access control software system
such as Rosslare AxTraxNG™. The software system also configures the MDD02B's reader card transmission format and input connection topology.
This guide explains how to install and begin working with your new MDD02B access control panel expansion board.
Figure 1: MD-D02B Access Controller Expansion Board
2. Technical Specifications
2.1 Electrical Characteristics
Input Voltage
12 VDC
Input Current
(not including attached devices)
Standby: 3 0 mA
Maximum: 190 mA
Number of Reader Ports
2
Number of Inputs
4
Number of Outputs
4
Output Relays
5 A with N.O., N.C., and COM contacts FormC relays
Inputs Voltage
5 VDC maximum voltage
2.2 Input Characteristics
Input Type
Selectable as:
• Normally Open
• Normally Closed
• Supervised with one resistor (three
states, no rmally open or normally
closed)
• Supervised with two resistors (four
states, Normally Op en or Normally
Closed))
2.3 Physical Characteristics
Dimensions (L x W x D)
100 x 75.9 x 32.5 mm (3.9 x 3.0 x 1.3 in.)
Weight
98.2 g (3.46 oz)
2.4 Reader Characteristics
Reader Output Vo ltage
12 VDC
Max. Reader Curren t:
245 mA
LED Control Output
Open collector , Active low
Tamper Input
5 VDC maximum voltage, optical ant i-tamper sensor
Supported Formats
Various (r efer to the AxTr axNG software manual)
2.5 LED Indicators
Power LED
Active when connected to a power sour ce
Output LEDs
Four LEDs
Each output LED is active when an output relay is
energized and N. O. to COM contacts are shorted.
3. Installation
To install the MD-D02B expansion board:
1. Disconnect power t o the acc ess control panel before at taching the
MD-D02B.
2. Remove the MD-D02B cover by lightly pulling one of the cover knobs
away from the circuit board. The entire cover comes away from the
board.
3. Peel off the label on the cover of the panel marked "Remove to install
I/O board".
The label is located on the same side of the panel as the DIP switch.
4. Insert the 10-pin male connector of the MD-D02B into the gap in the
panel cov er labeled "IO EXPANSION SLOT".
The text on the MD-D02B must face the same way as the text on the
panel cov er.
5. Tighten the screws s ecuring the cover to the access control panel, and
the four Philips screws on the MD-D02B circuit board.
6. Replace the cover on the expansion board, using it as a guide to ease
the MD-D02B into the panel's 10-pin female connector.
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4. Wiring Instructions
4.1 Input Wiring Options
There are six input wiring options:
§ Normally Open
§ Normally Closed
§ Normally Open Supervise d with one or two resistors
§ Normally Closed Supervised with one or two resistors
§ Normally Open Switch
§ Normally Closed Switch
Figure 2 shows the normally open input connection.
Figure 2: Normally Open Input
Figure 3 shows the normally closed input connection.
Figure 3: Normally Closed Inputs
Figure 4 shows the normally open supervised input connection with single
resistor.
Figure 4: Normally Open Supervised Inputs with Single Resistor
Normally Open Supervised inputs with one resistor must be connected
with an 8.2K resistor in parallel to the input switch contacts.
Always wire resistors on the input switch and not on the terminal
block.
Figure 5 shows the normally open supervised input connection with
double resistor.
Figure 5: Normally Open Supervised Inputs with Doub le Resistor
Normally Open Supervised inputs with two resistors must be connecte d
with an 8.2K resistor in parallel and a 2.2K resistor in series to the input
switch contacts.
Figure 6 shows the normally closed su pervised input connection with
single resistor.
Figure 6: Normally Closed Supervised Input with Single Resistor
Normally Closed S upervised inputs with a single resistor mus t be
connected with a 2.2K resistor in series to the input switch contacts.
Figure 7 shows the normally closed supervised input connection with
double resistor.
Figure 7: Normally Closed Supervised Input w ith Double Resis tors
Normally Closed S upervised inputs with two resistors must be connect ed
with an 8.2K resistor in parallel and a 2.2K resistor in series to the input
switch contacts.
4.2 Outputs
Electrical devices can be switched using the voltage free relay contacts.
Rosslare recommends using suppression diodes for all outputs that are
connected to inductive loads and activated by DC current, such as
Magnetic Loc k ("Maglock") or door strike devices.
Each suppression diode must be connected near its inductive load. Always
attach the diode's cathode to the +V terminal of the l oad. Attach the
diode's anode to the –V terminal.
For more information, refer to your access controller's Installation and
User Guide.
4.3 Readers
The reader terminal supports the reader's two data lines. For Wiegand
readers, these are data lines D0 and D1. For Clock & Data readers, D0 is
the DATA line and D1 is the CLOCK line.
There is also support for a tamper signal input from the reader and for one
LED control output to the reader.
Proximity and keypad readers are supplied with a limited cable. The color
of the cable cov er represents the cable’s function.
In general, the cable length should be no more than 150 m with an 18
AWG cable. Refer to each reader's installation guide for specific details.
Readers connected through an MD-D02B are recognized as "Reader 3 and
"Reader 4" in the software system.
Figure 8 shows the wiring for Readers 3 and 4, respectively.
Figure 8: Wiring for Readers 3 and 4
5. Using the MD-D02B
5.1 Operating the MD-D02B
The access control panel detects the MD-D02B ex pansion board when it
powers up. When defining the panel in the access control panel's PC
application (such as AxTraxNG™), select the option designating the panel
name with a designation of “MD-D02B”.
Readers, inputs and outputs must be defined using the access system
software. Readers connected through an MD-D02B will be recognized as
"Reader3" and "Reader4" in the software system.
Define each input's type and make sure the connection is compatible with
the input wiring.
When sel ecting inputs a nd outputs from the software, note that input and
output type and function in the access control software normally reflect
the host access control panel's general purpose inputs and outputs.
When using AxTr ax, define input types from the "Inputs" tree menu. Input
and output functions are defined using the "Links" element within each
"Panel" tree menu item.
For more information, refer to the AxTraxNG Software Manual.
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