Figure 17: Connecting the SEG-M to the MiniMax 3.............................................................................23
Figure 18: Connecting the SEG-1 to the MiniMax 3..............................................................................24
Figure 19: Installing a Tamper Switch...................................................................................................25
Figure 20: Completing the Transformer Connections...........................................................................26
Figure 21: Plug on Detachable Keypad.................................................................................................28
Page 4 of 48 Document #: 6055672, Rev 1.0 D1c
IEI MiniMax 3 Installation/Programming Manual Section 1: System Features and Specifications
Section 1: System Features and Specifications
The following section outlines the MiniMax 3 features, specifications and default settings.
1.1 System Features
Table 1: System Features
FeatureDescription/Details
Users2000
Base CapacitySupports 1 Max 3 Module; Controls 1 Door
Additional CapabilityNetwork up to 64 doors with additional Max 3 modules
Communication Type
Audit Trail*2000 Event Transaction Log
Front End Support
ProgrammingMax 3 Module supports keypad or PC programming
Auto-Unlock Time Zones
First-In Auto-UnlockRequires valid entry to initiate auto-unlock schedule.
Forced Door Alarm Relay/Timer
Alarm Zone Shunting Relay
Timed Egress Input
Non-Volatile EEPROM Memory
RS-485 Network; Connect via RS-232 to RS-485 Converter, USB to RS485 Converter
or LAN connection using SEG-M or SEG-1.
Each Max 3 Module supports either two Wiegand or Secured Series front End readers
for IN/OUT operation.
9:00 A.M. to 5:00 P.M. Monday-Friday
*Eight user definable time zones for auto-unlock or access control
*32 single day or block holidays
* Indicates feature available with PC software only.
Document #: 6055672, Rev 1.0 D1c Page 5 of 48
Section 1: System Features and Specifications IEI MiniMax 3 Installation/Programming Manual
1.2 Specifications
The following table lists the Electrical, mechanical and environmental specifications.
Table 2: Specifications
Electrical
Power Supply
Current Requirements110mA (backplane with module)
Front End13.8 VDC, 300 mA (max. current draw)
Lock Output13.8VDC or 16.5VAC, 600mA (max. current draw)
Aux13.8VDC, 100mA (max. current draw)
Main Relay12-24 VAC/DC, 2A (max. contact current)
Alarm Shunt, Door Ajar
and Forced Door Relays
REX/Door LoopDry contact closure
Wiring Requirements
RS-485 Cable24AWG, shielded, two twisted-pair telephone cable with a shunt capacitance of 16
Front End CableStranded wire with overall foil shield.
REX/Door Loop CableStranded wire with overall foil shield.
IEI MiniMax 3 Installation/Programming Manual Section 1: System Features and Specifications
1.4 Max 3 Door Control Module Diagram
The diagram below shows the component locations and terminal connections on the Max 3 Door Control Module.
Communication LEDs
RX = Receive Data
TX = Transmit Data
Figure 1: Max 3 Module Diagram
Document #: 6055672, Rev 1.0 D1c Page 7 of 48
Section 1: System Features and Specifications IEI MiniMax 3 Installation/Programming Manual
1.5 Backplane Diagram
The diagram below shows the component locations and terminal connections on the Backplane.
Figure 2: MiniMax 3 Backplane Diagram
Notes:
The Max 3 communicates to the PC via an RS-485 connection. For this connection use TS3 on the far right, bottom of the backplane.
The module is then connected to the backplane via connector P1.
Port C is used for configuring the SEG-M, when it's plugged onto J2 on the backplane.
This section contains detailed procedures and wiring diagrams for installing the IEI MiniMax 3 Access Control System. This section is
presented in the order you should follow to install the unit. Not every section is necessary for every application.
The system must be installed within the protected area in accordance with the National Electrical Code (NFPA 70), local codes, and
the authority having jurisdiction. It should also be located in an area that is accessible for programming purposes. After the installation
is complete, the cabinet door should remain closed and locked to protect the contents.
Note: Programming commands are inserted into the installation procedures for your convenience. Programming should only be done
after all electrical connections are made and the system is powered up.
2.1 Check the Packing List
Open the box and inside is a metal enclosure. The metal enclosure has a removable lid, to give you easier access when wiring. Inside
the metal enclosure is:
•1 Backplane mounted on standoffs
•1 16.5VAC Transformer
•1 Camlock with key
•1 Hardware Pack containing:
•1 Wire nuts (ORANGE)
•4 Wall anchors (BLUE)
•4 #8 1¼” sheet metal screws
•1 Set of battery cables (BLACK AND RED)
•1 Ground cables (BLACK wire with RED flush tab receptacle)
•1 Max 3 Module
•1 detachable keypad for programming (Pre-mounted to Max 3 Module)
•1 Secured Series Software Package
•1 MiniMax 3 Installation and Programming Manual
Note: MiniMax 3 System Kit contains additional components including proximity reader.
Please check the contents of the enclosure and verify all components on the packing list are present. Taking this inventory will
familiarize you with the components as well as ensure you have a complete kit.
2.2 Mount the Enclosure
The enclosure is designed to be wall mounted (surface mounted) using the supplied hardware. You must mount the enclosure on the
secure side of the door in a secured area such as a locked utility closet. Make sure it is accessible for programming and maintenance
purposes. Do not use the controller as access device to enter or exit through the door.
Mounting Procedure:
Unlock and open the metal enclosure. Notice that the enclosure lid opens from top to bottom so the enclosure lid forms a tabletop for a
convenient workspace.
1.Use the supplied wall anchors and sheet metal screws to secure the enclosure to the wall.
2.Drill 11/64’’ diameter holes for the wall anchors.
3.Tap the wall anchors into the wall until the outer flange is flush to the wall surface.
4.Insert the sheet-metal screws ¾ of the way into the anchors.
5.Hang the enclosure by aligning the slotted holes (cut into the rear of the cabinet) with the sheet-metal screws. Space between
slotted holes; on-center 9 11/16” Horizontally and 10 1/8” Vertically.
6.The enclosure should now be resting on the sheet-metal screws.
7.Tighten the sheet-metal screws until they are snug.
Grounding the system before making any electrical connections is imperative!
By grounding the system first you not only increase personal safety during installation, but you also protect the unit from damage due
to static discharge or any other transient voltage effects. We cannot stress enough the importance of completely grounding the unit
before making any connections or even touching the backplane (the large circuit board in the enclosure). Wire as shown and plug the
transformer into a grounded electrical socket.
Do notmake anyACPowerconnectionsuntilStep13 of theinstallation.
Figure 3: Connecting the GND Terminal from Transformer to the Backplane
TOUCH THE GROUNDED METAL CABINET BEFORE TOUCHING THE BACKPLANE OR
THE MAX 3 DOOR CONTROL MODULE. THIS WILL REMOVE ANY STATIC CHARGE ON
YOUR PERSON. STATIC ELECTRICITY CAN DAMAGE THE ELECTRONIC COMPONENTS
USED ON THE CONTROLLERS.
2.4 Connect the RS-485 Cable from the Module to the Backplane
The Max 3 Door Control Module requires an additional three position cable to make the RS-485 connection to the backplane. This
cable is connected from P5 on the upper right corner of the module to the three position connector underneath the module on the top
right of the backplane labeled P1. Simply plug one end of the cable into P5 and the other end into P1 on the backplane. The diagram
below illustrates how to connect the module to the backplane.
Figure 4: RS-485 Connection from Max 3 Module to Backplane
2.5 Wire an Electric Door Lock to the Main Relay of the Max 3 Module
The locking device is connected to terminal strip TS1 as shown in
the diagram on the right. The two diagrams below show how to
connect both a Maglock and an Electric Strike using an external
power supply.
For either locking device, positive voltage (V+) from an external
power source is connected to the relay common terminal (C).
When using a Maglock, connect the lock's positive side to the
normally closed (NC) terminal and the negative side to negative on
your power supply. When using an Electric Strike, connect the
lock's positive side to the normally open (NO) terminal and the
negative side to negative on your power supply.
NOTES:
You must use an external power supply to power your
lock.
The relay is a FORM C DRY CONTACT, which
means there is no output voltage on the relay contacts.
When using AC voltage, polarity does not matter.
Connecting a Maglock (Fail-Safe)Connecting an Electric Strike (Fail-Secure)
Programming the Main Relay Time:
The command sequence below is used to change the Main Relay time. The default value is 5 seconds.
2.5.1 Installing a Diode to Prevent Electrical Kickback from Lock – DC Locks Only
If your electric locking device does not come pre-installed with internal protection for electrical “kickback voltage” use the supplied
1N4004 diode for DC locks only. This “kickback voltage” could possibly damage the Max 3 control module and installing the diode
could help prevent this from happening. When installing the diode, connect it across the positive (V+) and negative (V-) of your
locking device. The diode is polarized, which means the cathode mark (silver band at one end) must be connected to the positive
connection as shown below. You must connect the diode as close as possible to the locking device for it to work properly.
Figure 6: Connecting Diode
Across Maglock
Figure 5: Connecting Diode Across Strike
2.5.2 Installing an MOV to Prevent Electrical Kickback from Lock – AC Locks Only
If your electric locking device does not come pre-installed with internal protection for electrical “kickback voltage” use the supplied
MOV for AC locks only. This “kickback voltage” could possibly damage the Max 3 control module and installing the MOV could
help prevent this from happening. When installing the MOV, connect it across the AC connection to your locking device. This device
is not polarized so it does not matter which direction you install it. You must connect the MOV as close as possible to the locking
device for it to work properly.
2.6 Connect a Secured Series Front End (SSFE) Reader to the Door Control
Module
The Max 3 supports IEI Secured Series Front Ends, which include keypads, card readers and touch chip readers. These are connected
to to the Front End terminal strip TS5. You can connect up to two readers to each Door Control Module, for In/Out operation by
simply wiring them in parallel (both readers to the same four screw terminals). Each screw terminal is labeled with a wire color (black,
red, white/black and white yellow). These correspond to the color wire on the wire harness supplied with the front end reader.
You must use a four-conductor stranded cable with overall foil shield to connect the Front End to the Door Control Module. You also
must terminate the drain wire (the bare wire inside the foil shield), from the front end cable, to the fast-tab located on the Max 3
Backplane. There is a fast-tab located under each module on the lower edge of the backplane. They are labeled FT1, FT2, FT3 and
FT4. Connect the drain wire from the front ends connected to module one to FT1 and so on. IEI has included four ground cables and
wire-nuts to make this connection. Do not terminate the drain wire at the Front End Reader. Cut off the exposed drain wire and
wrap the insulation and the foil shield in electrical tape.
Note: The Max 3 Door Control Module must be configured to operate in Secured
Series Front End Mode. To do this, locate jumper JP2 above terminal strip TS7 and
place the jumper on both pins.
Wire Size vs. Cable Length Chart
DistanceWire Size
250 Feet22 AWG
500 Feet20 AWG
1000 Feet18 AWG
Note: If you experience problems with
front end communications after connecting
a second keypad or reader, wiring a
separate ground wire from each keypad to
the black terminal on the Max 3 DCM may
solve the issue. If this does not fix the
problem contact IEI Technical Support.
2.7 Connect the Primary Wiegand Front End Reader (IN Reader)
Wiegand readers are connected directly to the Front End Terminals on the Door Control Module. The primary reader (IN) should be
mounted on the exterior of the door and used to gain access into the secured area. The diagram and table below describe the
connections in detail. Please note that the Primary Wiegand Reader Data 0 wire is connected to DO PRI (Data 0 Primary) on terminal
strip TS5.
The LED connection is used to indicate status of the Main Relay and the Sounder connection is used to indicate various error
conditions. These are explained in more details in later sections.
You must use a four to six conductor stranded cable with overall foil shield to connect the Front End to the Door Control Module. You
also must terminate the drain wire (the bare wire inside the foil shield), from the front end cable, to the fast-tab located on the Max 3
Backplane. There is a fast-tab located under each module on the lower edge of the backplane. They are labeled FT1, FT2, FT3 and
FT4. Connect the drain wire from the front ends connected to module one to FT1 and so on. IEI has included four ground cables and
wire-nuts to make this connection. Do not terminate the drain wire at the Front End Reader. Cut off the exposed drain wire and
wrap the insulation and the foil shield in electrical tape.
IMPORTANT: The Max 3 Door Control Module must be configured to
operate in Wiegand Front End Mode. To do this, locate jumper JP2 above
terminal strip TS7 and place the jumper on one pin. This is the default
condition.
Primary Wiegand Reader Connections
Wiegand ReaderDCMTerminal Strip
V- (Power)BlackTS5
V+ (Power)REDTS5
Data 0D0 PRITS5
Data 1D1TS5
LED ControlLEDTS7
Sounder ControlSNDTS7
Note: The primary reader
records an IN event in the
transaction log.
Figure 9: Connect Primary Wiegand Front End
Reader to DCM
Document #: 6055672, Rev 1.0 D1c Page 15 of 48
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