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Inputs and Outputs3.Inputs and OutputsThis chapter discusses the AC-215 ACU input and output requirements.3.1Inputs3.1.1Release to Exit Button (REX)REX enables quick exit from a premises. The following should be defined:Single door controller:Door 1 – IN1Double door controller: Door 1 – IN 1Door 2 – IN 2Usually the REX input is connected to a push button that is located inside thepremises. The push button opens a door without reading a proximity card orPIN code.Generally, the REX is located in a convenient position such as near thereception area, and is always set as enabled in the AxTrax AS-525 software.3.1.2Door MonitorThe Door Monitor connects to a door’s micro switch for door statusmonitoring. The following should be defined:Single door controller:Door 1 – IN1ADouble door controller: Door 1 – IN 1ADoor 2 – IN 2ATwo alarm states can be generated: Forced alarm- When the door is forcibly opened by unauthorized persons Door held open alarm- When the door is open for a period exceeding thelock strike programmed open timeA Door held open alert can be generated by activating chime on speaker toremind that the door should be close.After the ACU enables access, the lock is activated according to itsprogrammed time until one of the following occurs: The ACU stops lock activation immediately after the door opens The ACU waits for the door to close. (This can help to reduce tailgating)When the door open time period expires the ACU ends lock activation.14AC-215 Installation Manual

Inputs and Outputs3.1.3TamperThe Tamper input connects to a tamper micro switch assembled within theACU panel.The following should be defined:Single door controllerDoor 1 – IN2Tamper input is activated when the panel is opened through vandalism. Thesystem has two additional tamper inputs on the reader terminals.3.1.4GeneralThe General input connects to any general-purpose dry contact input.Single door controllerDoor 1 – IN2AThis function can be used when activating the general-purpose outputconnections (for example, alarm sensors, monitoring power supply failure,etc.). The ACU reports activation if this input changes status.The system has four output relays. Their contacts are voltage free and rated 5Aat 12V AC or DC. This indicates that output is very versatile and can operatevirtually any electrical equipment including Fail Open and Fail Close locks,electric gates and so on.3.1.5OutputsWe recommend using a suppression diode for all outputs.3.1.6Door LockThere are two types of door locking devices: Fail open (fail secure) Fail close (fail safe) The user can select either normally open or normally closed output contacts.The following should be defined:Single door controllerDoor 1 – OUT1Double door controllerDoor 1 – OUT1Door 2 – OUT2The output can sink current from any power supply (see Appendix C). In a timezone door locking is activated in the following modes: Grant Access Automatic Relock3.1.7Door AlarmThis output is activated when either an alarm occurs in the system, orautomatically by a time zone. The following should be defined:AC-215 Installation Manual15

Inputs and OutputsSingle door controllerDoor 1 – OUT1ADouble door controllerDoor 1 – OUT1ADoor 2 – OUT2AThe output can be activated for a specified time and closes when the timerends.3.1.8AuxiliaryThis output is activated when a transaction occurs in the readers that are eitherassociated with auxiliary, or automatically by a time zone. The following shouldbe defined:Single door controllerDoor 1 – OUT2The output has two activations modes: Time – active for a specified time and closes when the timer ends Toggle – active for every change in the output trigger – the triggerchanges state3.1.9GeneralThis output is usually related to the general input or automatically by a timezone.The following should be defined:Single door controllerDoor 1 – OUT2AThe output has three activation modes: Follow input – output follows the input state Toggle – active for every change in the output trigger – the triggerchanges state Time – active for a specified time and closes when the timer ends3.1.10Card ReadersTwo card readers can be connected to the ACU. The following should bedefined:Single door controllerDoor 1 – Reader 1 IN/OUT/AuxiliaryReader 2 IN/OUT/auxiliaryDouble door controllerDoor 1 – Reader 1 IN/OUTDoor 2 – Reader 2 IN/OUTThe readers can be assigned to a single or double door controller’s door as anIN or OUT reader and can activate the auxiliary output in a single doorconfiguration.The reader’s tamper connects to the ACU and can generate an alarm. Thereader’s green LED input is activated by the ACU when in the Card and PINsecure mode to inform the user to enter his personal PIN number after enteringhis card.16AC-215 Installation Manual

Inputs and Outputs3.1.11KeypadTwo keypads can be alternatively connected to the ACU on Reader1 andReader2 terminals. The following should be defined:Single door controllerDoor 1 Keypad – Reader 1 IN/OUTKeypad – Reader 2 IN/OUTDouble door controllerDoor 1 Keypad – Reader 1 IN/OUTDoor 2 Keypad – Reader 2 IN/OUTThe keypad type must be a Rosslare format keypad.A keypad has to be connected for any reader mode that requires PIN codeentries, such as Card or PIN, PIN only or Card and PIN (Secured mode).AC-215 Installation Manual17

DIP Switch Settings Configuration4.DIP Switch Settings ConfigurationThe ACU Dipswitch controls a number of operating parameters including thedevice address and baud rates for serial communication.1 2 3 4 5 6 7 8Power down the ACU before making changes in the dipswitch settings.Restart the ACU after modifications are made. The new settings areautomatically defined after power up.The following is a list of dipswitch numbers and their functions:Table 1: DIP Switches and their Functions4.1DIP SwitchFunction1-2Set ACU baud rate3Sets ACU type (single door or double door controller)4-8Set ACU addressACU Baud RateThe ACU serial port baud rate, set in dipswitches one and two, defines thecommunication speed for connecting with a PC in a network connection.1 2 3 4 5 6 7 8The following lists switch 1 and 2 status and baud rate:Table 2: Switch Baud RatesSwitch 2 Baud Rate Switch 1 Switch 2 Baud RateOffOff9600OnOff38400OffOn19200OnOn57600 The ACU baud rate must be identical to the host PC’s serial port baud rate.18AC-215 Installation Manual

DIP Switch Settings Configuration4.2ACU TypeThe ACU type is defined using the third DIP switch. Both the single and doublecan be set.1 2 3 4 5 6 7 8 Off – defines single door controls On – defines a double door controls4.2.1Single Door ControllerThis access type has two readers, IN and OUT, as follows: Outputs: Door lock strike Auxiliary output Alarm output General purpose output Inputs: Release to exit Door monitor input Tamper input General purpose inputFor more information, see Chapter 3.4.2.2Double Door ControllerThis access type has two readers, IN and OUT, as follows: Outputs Door 1 lock strike Door 1 alarm output Door 2 lock strike Door 2 alarm outputInputs Release to exit door1 Door 1 monitor input Release to exit door 2 Door 2 monitor inputAC-215 Installation Manual19

DIP Switch Settings Configuration4.3ACU AddressingThe DIP switch is used to select the binary coded ACU address.1 2 3 4 5 6 7 8 The ACU address is defined in the AxTrax AS-525 software. For successfulcommunications, the dipswitch must be defined with the same address.Table 3 displays the 32 address settings available:Table 3: Available Panel AddressesAddressSwitch 4Switch 5Switch 6Switch 7Switch OnOnOffOffOff26OnOnOffOffOn20AC-215 Installation Manual

DIP Switch Settings ConfigurationAddressSwitch 4Switch 5Switch 6Switch OffOn31OnOnOnOnOff32OnOnOnOnOnAC-215 Installation ManualSwitch 821

Communications5.CommunicationsCommunication lines are used to upload and download information betweenthe ACU and the AxTrax AS-525 software. Communication between theACU and PC is displayed by the system’s two LEDs. The RX LED flashes when the controller receives data The TX LED flashes when the controller transmits data The ACU address is defined in the AxTrax AS-525 software. For successfulcommunications, the dipswitch must be defined with the same address.There are three connection modes: Serial RS232 RS485 Modem LAN5.1Serial ConnectionThe PC Serial Port controlling the ACU is assigned in the Network Properties inthe AxTrax AS-525 software. By default the default is set to 9600 for directconnection to the PC using the standard RS-232 interface.5.1.1RS-232 ConnectionTable 4: RS-232 ConnectionACUDB9 ConnectorDB25 ConnectorGNDTxRxDTRPin 5Pin 2Pin 3Pin 4Pin 7Pin 3Pin 2Pin 20The RS232 connection can only be used for one ACU. The distance betweenthe PC and ACU can be no more than 150 feet (50 meters). If the baud rate isincreased to 57600 the distance can be up to 30 feet (10 meters). J1 must bein the RS232 position to select the RS232 communication.5.1.2RS-485 Connection to the PCUp to 32 ACUs can be linked together and connected to a singlecommunication port on the PC.The RS485 interface must be used when multiple controllers are connected.The serial port used to control the ACU is assigned in the AxTrax AS-525software Network Properties dialog box.22AC-215 Installation Manual

CommunicationsACU supports the two-wire RS485 interface. RS485 interface enables thedistance between the ACU and PC to be extended up to 4000 feet (1300)meters. The data line wiring must be in daisy chain formatting with one controlunit following another. The first ACU connecting to the PC must use the MD14, RS485 to RS232 adaptor.5.1.3Daisy ChainCommunication lines must be wired in a daisy chain format with one ACUfollowing another. J1 must be in the RS485 position.5.1.4Termination ResistorsAt each end of the data line a termination resistor of 130 Ohm is requiredacross the L1 and L2 connections.5.2ModemThe PC modem connection, used to control the ACU, is assigned in theAxTrax AS-525 software’s Network Properties dialog box.The modem is used when the distance between the ACU and the PC is greaterthan the recommended serial connection distance or in an application wherean alternative RS232/RS485 network is unavailable.Figure 2 illustrates remote site modem configuration with AC-215.Figure 2: Remote Site Modem ConfigurationFor more information, see Appendix B.AC-215 Installation Manual23

Communications5.3Communication through the Local Area Network (LAN)The TCP/IP connection, used to control the ACU, is assigned in the AxTrax AS-525 software’s Network Properties dialog box.The PC running the AxTrax AS-525 software can communicate with the ACUthrough the LAN card inside the PC. The ACU connects to the LAN usingRosslare MD-N32, TCP/IP to RS232 gateway converter. MD-N32 can beconnected in any legal network address in the Local Area Network.The following type of connection is used when a LAN network already existsand therefore the long RS485 network is not required. This schematicillustrates the connection of a single AC-215 to the PC using the LAN network.MD-N32 must be first configured by Rosslare's Netconfig software. The settingis stored in a non-volatile memory in the MD-N32.Figure 3: MD-N32 Configuration Connecting a Single PanelMultiple ACUs can be connected by adding an RS485 converter (MD-14)between the RS485 ACUs network and MD-N32 converter.Figure 4: Connecting Multiple Access Control Panels with MD-N32For more information, see Appendix A.24AC-215 Installation Manual

Wiring6.Wiring6.1InputsFigure 5 illustrates wiring for four AC-215 inputs. For further details, seeChapter 3.Figure 5: Wiring Four AC-215 Inputs6.2OutputsFigure 6 and Figure 7 illustrate wiring for two main types of 12VDC electricrelease mechanisms. Other electrical devices can be switched using the voltagefree relay contacts.AC-215 Installation Manual25

WiringFigure 6: Door Lock – Fail ClosedFigure 7: Door Lock – Fail Open6.2.1Power SupplyFigure 8 illu

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