PURPOSE AND APPLICATION Connection Unit Guide The connection unit is an installation friendly device, which makes it possible to use all features from a central unit. The CU can also be used to connect units in a network. The CU comprises the following features: RS485 to RS232 conversion. An external relay to provide extended security. Battery support to prevent reset of a system during short power dips, and a recharge circuit for this battery. RS485 connections. 4 I/Os. Output for an additional relay. Power output for Infra Red port to operate Palm (future). Door lock Manage RS485 Door contact CU Connection unit Controller for Magstripe/Wiegand Power output for Infra Red port Output Rex/Egress button Power supply External high Power relay Input Bidirectional TD1167 rev1003 1-8
MOUNTING THE CONNECTION UNIT The following picture shows how to mount the connection unit to the wall. Wall plugs type S5 (not provided by Northern) Recommended hole dimensions for the plugs: Ø5 and 35mm deep. Cross recessed countersunk head screws for chipboard Ø4 x25mm (not provided by Northern) Screws to mount the cover are provided. 2-8 TD1167 rev1003
INSTALLATION The following picture shows the layout of the terminals and DIP-Switch of the printed circuit board assembly. To the terminals the inputs and outputs are connected. The DIP-Switch is used to enable certain features of the connection unit. The RS232 Interface (J6) is only for the advanced version, and can be used to connect the Infra red device or to communicate with the PC. See the table for the connections if you have to make a RS232 cable yourself. Signal Pin number TX 2 RX 3 5 XM3 Outputs I/O-4 Red/Blue Grey/Pink Green Grey Violet Power supply (11.5V..12.5V) J3 J5 Power input S8 S7 S6 S5 S4 S3 S2 S1 Power Red Black J6 RS232 Interface REL 1 SW1 J2 Violet XM3 inputs Brown Power output for Infra Red port. + Inside J9 Extra relay output J4 output XM3 Connections I/O-4 Grey Green Grey/Pink Red/Blue RELOUT REL-NO REL-CM REL-NC J1 - + Battery 9V To use an additional relay, connect to these terminals. Connect to these terminals a transient suppressor (1500W / 16V) as well to suppress high voltage transients when the relay switches. From snap on battery connector. To use the external relay REL1, connect to these terminals. REL-NO = Normally Open REL-CM = Common REL-NC = Normally Closed TD1167 rev1003 3-8
EXTERNAL RELAY The connection unit is provided with an external relay (REL1). The maximum switching values for this relay are mentioned in the table below. Characteristics (resistive load) Max. switching power Max. switching voltage Max. switching current Value 60 VA 30 V (DC) 2 A (DC) REL1 will be activated when relay out of the is programmed for coded signal and switch S6 of SW1 is set to OFF. Requirements for programming the external relay function are: Installer programmer, or manage software. at installer level (Level 1). Present the installer programmer to the, go to program mode and press 23*2*, or alternatively change this parameter in the parameter tab of the manage software. With the external relay function programmed, the door lock is now switched by REL1 instead of being switched by the itself. This function prevents the possibility of unauthorized admittance due to potential tampering. If switch S6 of SW1 is set to ON, REL1 will be activated by the Normally open or Normally closed option in the parameter tab of Manage. ADDITIONAL RELAY If switching to a higher current is required, connect an additional relay to pin RELOUT of terminal J4. The additional relay function is used to reach a higher level of security. Output RELOUT on terminal J4 is an open collector output with a maximum current capacity of 50 ma. This output is not shortcut protected. I/Os The four different I/Os can also be used by connecting these I/Os to terminal J3. These outputs can be used in three different ways: Use as I/O. Use for Magstripe output. Use for Wiegand output. The connections for these types of applications are: I/O I/O functions Magstripe (ABA) Wiegand I/O1 Door contact input \ RDP output DATA 0 I/O2 Ext. Night lock / Rex input \ RCP output DATA 1 I/O3 Forced entry output \ CLS output Not used I/O4 Night lock enabled output \ Access input \ LED 4-8 TD1167 rev1003
BATTERY Only in case of short power dips, a battery can be used temporarily to maintain the operation of the system. The Real Time Clock will keep running and all events will be saved. This battery must be connected to terminal J1 of the connection unit. This battery can be used when a stand-alone or advanced is used. Switch S4 of SW1 must be set to ON to use the battery. When switch S5 of SW1 is set to ON, the battery will automatically be recharged. At that moment, the battery may not be used to support the system. A 9 Volt PP3 housing Rechargeable Nickel Metal Hybrid (NiMH) is recommended as battery. Do not set switch S5 of SW1 to ON when a non-rechargeable battery is used. Do not set switches S4 and S5 of SW1 to ON when no battery is used. CONNECTING UNITS IN A NETWORK When building a RS485 network the connection unit is the perfect tool to connect the to the computer AWG22 twisted pair cable is recommended to use in the RS485 network. The length of the total network can be up to 1000 meters including the cable length of the s to the units. Total length 1000 metres. RS232 RS485 RS485 RS485 CU CU CU CU Manage RS485 RS485 RS485 RS485 1 2 3 8 A condition for connecting units in a network is that they all have a unique address. Furthermore it is convenient to give each unit a name by which it can be easily recognized. One way to change the addresses is to connect the units to a PC before mounting them on their final place. Alternatively you can use an Installer remote programmer and enter parameter 28*NNN* to change the address. NNN is the address in this parameter. The address can be set from 1 255. TD1167 rev1003 5-8
Take the following steps to change the address: 1. Connect the unit via an advanced connection unit (CU) to a PC (see the following figure). Connect an external power supply (11.5V..12.5V) I/O-4 485B-2 485B-1 485A-2 485A-1 Connect the connection unit to an available COM port of the PC. J6 RS232 Interface REL 1 J3 SW1 J5 Power input J2 Power Red Black Only these inputs have to be connected to change the RS485 address + Inside J9 Extra relay output J4 output XM3 Connections I/O-4 RELOUT REL-NO REL-CM REL-NC J1 - + Battery 9V 2. Log on to the unit via the Manage PC application. 3. Change the address and name of the unit. Please refer to the Users manual for Manage on how to change the address and name. It is convenient to attach a label to each unit with its name and address. 4. Repeat the previous steps for every unit that will be part of your network. When all the units have been uniquely identified, you can connect the units in a network. The following figure shows how to do so. 6-8 TD1167 rev1003
Power Red Black From external power supply Violet Brown /O-1 Grey Green Grey/Pink 485A-1 485A-2 485B-1 485B-2 Inputs RS485 connections to the next unit in a possible network of 8 units. Inputs SW1 Power Red Black J3 Violet Brown Grey From external power supply Green Grey/Pink I/O-4 Red /Blue 485A-1 485A-2 SW1 485B-1 485B-2 J3 RS232 connection to an available COM port on the TD1167 rev1003 7-8
The 485B-2 connection of the previous connection unit must be connected to 485B-1 of the next connection unit. The 485A-2 connection of the previous connection unit must be connected to 485A-1 of the next connection unit. DIP-SWITCH (SW1) EXPLANATION S1 S2 S3 S4 S5 S6 S7 S8 The RS485 bus is terminated by a 120 Ohm resistor when switch S1 of SW1 is set to ON. S1 should only be set to ON at the beginning and the end of a RS485 bus. If switch S2 of SW1 is set to ON, RS485 bias + is connected to +5V via a 10K resistor. By default, S2 is set to ON. If switch S3 of SW1 is set to ON, RS485 bias - is connected to via a 10K resistor. By default, S3 is set to ON. Set switch S4 of SW1 to ON only when a battery is used. A battery recharge circuit becomes active when switch S5 of SW1 is set to ON. The external relay (REL 1) on the connection unit will be activated when relay out of the is programmed for coded signal and switch S6 of SW1 is set to OFF. If S6 is set to ON, REL1 will be activated by the Normally open or Normally closed option in the parameter tab of Manage. If the baud rate of the reader is set to another value than the default one of 9600, S7 must be set to ON. S7 set to OFF, baud rate is 9600, set to ON 19K2. For future use. Honeywell Access Systems 135 West Forest Hill Avenue Oak Creek, WI 53154 PH: 414-766-1700 FAX: 414-766-1798 www.nciaccessworld.com 8-8 TD1167 rev1003