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IPBridge Installation Guide

Page 23

Protect the Digital
Output

Which type of transient
suppressor should you
install? This depends
mainly on the type of
inductive load being
switched. Some locks
have Back EMF protection
built into the lock itself.

For Back EMF in low-
voltage DC applications, a
1N4007 diode will suffice.

However, for protection
against other transient
voltages (i.e. lightening),
we recommend using a
fast-switching transient
voltage suppressor, such

as a bipolar TranZorb.

BACK EMF PROTECTION FOR THE LOCK CIRCUIT

Most door latches use a relay coil that powers up and down to open and close
the door. When power is removed from the coil, the collapse of the magnetic field
creates a problem known as Back EMF that can interfere with the IP-Bridge’s
operation, and create radio interference.

Switching off a typical 12 VDC relay coil can produce a back EMF of 300 volts or
more. If this relay is switched via an output, that voltage appears across the
terminals of the output. The problem gets worse as switching voltage/current
rises.

Figure 12 shows the recommended solution. You can virtually eliminate back
EMF by installing a transient suppression device (diode). Always check that
the diode is correctly rated for the circuit voltage. For optimum performance, the
diode should be installed at the lock or close to the lock. Standard diodes have a
stripe-band marking on one side. That side of the diode should be connected to
the “+” wire of the lock circuit.

Figure 12

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Содержание PowerNet IP-Bridge Series

Страница 1: ...How to Install a PowerNet IP Bridge Copyright 2013 ISONAS Inc All rights reserved ...

Страница 2: ...CONNECTIONS 18 4 3 2 DC POWER FOR THE DOOR COMPONENTS 20 4 3 3 SIGNAL GROUND CONNECTIONS 21 5 IP BRIDGE DOOR OUTPUTS 21 5 1 DOOR LOCK RELAY 22 BACK EMF PROTECTION FOR THE LOCK CIRCUIT 23 5 1 2 IN RUSH CURRENT PROTECTION FOR THE LOCK CIRCUIT 24 5 2 TTL OUTPUTS 25 5 2 1 TTL S CONTROLLING A SECONDARY RELAY MODULE 26 5 3 READER DC POWER OUTPUT 10 VDC 27 5 4 READER INDICATOR OUTPUTS 27 6 IP BRIDGE DOOR...

Страница 3: ...nes Initial Release 8 12 2013 1 01 Shirl Jones Expanded Wiegand Device guidelines 11 13 2013 1 02 Shirl Jones Described PoE Jumper Reset button location 2 25 2014 1 03 Shirl Jones Enhanced power and grounding instructions 5 9 2017 1 04 Melissa Stenger Updated software information configuration info and Power instructions ...

Страница 4: ...ted model labels IPBR 2 IPBR 3 1 1 BEFORE YOU BEGIN The following core tasks are involved when installing an ISONAS IP Bridge 1 Mount the IP Bridge in the appropriate indoor location 2 Supply power to the IP Bridge unit This may be accomplished with power being provided on the Ethernet data cable Power over Ethernet PoE or through an external DC power source 12VDC or 24VDC 3 Wire the IP Bridge to ...

Страница 5: ...e ISONAS system in accordance with the National Electrical Code NFPA 70 Local authority has jurisdiction Use only wire or UL listed cabling recognized as suitable for ISONAS power supply and data communications in accordance with the National Electrical Code Where possible separate ISONAS equipment and cabling from sources of electromagnetic interference EMI Where this is not possible take other s...

Страница 6: ...et 10 Mbps auto negotiate Downstream Ethernet Interface TCP IP Over Ethernet 10 Mbps auto negotiate Supports 30 downstream IP devices Inputs Outputs For each supported door 4 Inputs Wiegand REX AUX and Door Sensor 5 Outputs 2 TTL Outputs RED LED GREEN LED Beeper Wiegand Data Connection 500 ft Maximum Length Lock Relay 2 00 amp 30V DC Resistive load 0 03 amp 120V AC Resistive load Standalone Memory...

Страница 7: ...staller will have Installer completed the on line reseller training program An installer s Tool Kit should include the following 1 The copy of the IP Bridge Installation and Wiring Guide 2 A Volt Ohm Meter 3 A PoE Injector 4 A Cross over Cat5 Cat6 cable 5 A straight thru Cat5 Cat6 patch cable 6 Basic Ethernet network cable tester Tests for Opens Shorts Split Pairs Mis wires Reversals 7 A spare IP ...

Страница 8: ...ne if the door device s electrical return connections will be terminated by the optional modular DIN terminal blocks If so adjust the IP Bridge s location on the DIN rail to allow space for the modular terminal blocks 5 The IP Bridge should be located within a 500 foot cable length of the devices being controlled 2 1 MOUNTING THE IP BRIDGE The major steps involved with the physical mounting of the...

Страница 9: ... Boot Loader mode 10 sec Red Red Performing All IP work all mode duration depends on settings Amber Red IP Work completed except long DNS lookups ports DNS Red Amber Startup Complete No issues reported Green Off Startup Complete Errors reported check history Green Amber Door Status occurs once for each supported door LED C Color LED D Color Waiting In Startup or Performing Boot Load Amber Amber Wa...

Страница 10: ...seconds return to the normal display If the door s LEDs do not turn amber then the reset did not occur Reset Configuration Press and hold the Reset button approx 10 seconds until all door status LED s turn Amber After the LED s turn Amber release the Reset button Selected IP Bridge configurations are reset to factory defaults Setting that are changed include IP Address Default value 192 168 1 119 ...

Страница 11: ... Mode being used a Remote Host IP Address or URL b Remote Host IP Port c DNS Server IP Address 3 2 DAISY CHAINING NETWORK DEVICES The IP Bridge supplies the functionality of a two port network switch It has two physical RJ45 ports or sockets labeled Upstream and Downstream as shown in Figure 03 The Upstream RJ45 port is used to connect to the customer s network Some network switches label this as ...

Страница 12: ...o provide power to the components at the door such as an electric lock a Wiegand device and or a passive infrared motion detector The IP Bridge can be use two types of PoE PoE IEEE 802 3af 13 watts of power can be supplied to the IP Bridge via a PoE network switch that meets the 802 3af standard 13 watts is enough power for the IP Bridge itself and a single door s typical hardware dumb reader and ...

Страница 13: ...e of a Class 4 PoE Plus device can range between 12 95 to 25 5 watts at the device 4 1 1 PoE POWER CALCULATIONS When the IP Bridge is being powered by PoE Plus it can supply power to external devices thru three different methods The 10VDC output for the Wiegand devices via the DC R terminal The 12VDC output for other devices via the DC terminal PoE power to network devices that are daisy chained t...

Страница 14: ...r flow Diagram Label Purpose Milliamps Supplied mA Factor Calculated Watts mA Factor A DC R Output 10VDC 0 0117 B DC Output 12VDC 0 0141 IP Bridge Power consumed by IP Bridge s electronics 4 Total Power Used by IP Bridge Sum of values listed above PoE Input If using PoE enter 12 95 watts If using PoE Plus enter 25 50 watts Answer PoE Wattage Available Downstream Answer PoE Input Total Power Used T...

Страница 15: ...mper pin JP 1 is used to enable or disable the downstream port s PoE power feed JP 1 is located inside the IP Bridge Refer to Figure 05 To reach the jumper use a small screwdriver to pry the cover up at the points indicated Start at point 1 To enable the provisioning of PoE power out the downstream RJ45 port place a jumper across pins 2 3 of JP 1 Figure 05 Removing the jumper from JP 1 will disabl...

Страница 16: ...supply Figure 06 If multiple IP Bridges are being installed the 2nd IP Bridge can be powered with a short coaxial cable such as the one Isonas sells One end of the cable is attached to connector BB on the 1st IP Bridge and then the cable is daisy chained to connector AA on the 2nd IP Bridge See Figure 07 Figure 07 When powered with PoE the input DC coaxial power cord is not required If two IP Brid...

Страница 17: ...iguration Supplies 20mA I O TTL1 Logic output Default action is 5 VDC is output when in the Off state 0 VDC when in the On state Action can be reversed in the software configuration Supplies 20mA I O REX Logic Input from a Request to EXit device Default Action When connection to Gnd is completed the input goes active Action can be reversed in the software configuration I O DS Logic Input from a Do...

Страница 18: ...nnects with all ground terminals on the IP Bridge terminal blocks and coaxial cable Reader DC R Output Supplies regulated 10 VDC Reader N A Not Used Reader AUX Logic Input Default Action When connection to Gnd is completed the input goes active Action can be reversed in the configuration Reader BP Output Allows control of the Wiegand device s beeper Future Use Reader W0 Input Connects to Wiegand d...

Страница 19: ...ing powered If the IP Bridge is powered with PoE then regulated 12VDC is available on the DC terminal connection If the IP Bridge is powered with DC power then the input DC voltage is made available on the DC terminal connection For example if the IP Bridge is receiving 24VDC thru its coaxial power cord then the DC terminal will supply 24VDC The DC power s return connection will be attached to the...

Страница 20: ... can be mounted next to the IP Bridge The DIN Terminal Block is connected to one of the IP Bridge s Signal Ground terminals Up to 15 each 22 gage wires can be connected to a single connection on the DIN terminal block See Figure 09 Figure 09 5 IP BRIDGE DOOR OUTPUTS Warning The IP Bridge should not be powered until all connections have been made and tested Remove power prior to changing any connec...

Страница 21: ...lly Closed Common and Normally Open contacts are available on the terminal strip and are labeled as NC COM and NO respectively See Figure 10 Figure 10 A block diagram of the lock relay is shown in Figure 11 The relay provides a dry contact For many installations the IP Bridge will be supplying the DC power for the door lock For these installs a wire jumper will be placed between the DC and COM ter...

Страница 22: ...from the coil the collapse of the magnetic field creates a problem known as Back EMF that can interfere with the IP Bridge s operation and create radio interference Switching off a typical 12 VDC relay coil can produce a back EMF of 300 volts or more If this relay is switched via an output that voltage appears across the terminals of the output The problem gets worse as switching voltage current r...

Страница 23: ... turned on This surge of current can be 20 times greater than the lock s steady state current requirements The lock relay is rated for 2 amp of current This in rush current can greatly exceed that rating and shorten the useful life of the IP Bridge Figure 13 shows the solution to this Installing an in rush suppressor in the lock circuit will prevent any detrimental effects on the IP Bridge FFFi Fi...

Страница 24: ...age potential is removed 0 VDC These leads are typically used to connect to an alarm system Certain alarm conditions of the IP Bridge can be configured to activate these leads An example would be having TTL2 activate when the door is held open too long Figure 14 The TTL signal s return connection will be attached to the IP Bridge s Signal Ground See the previous Signal Ground Connections section o...

Страница 25: ... outputs The SRM is commonly used to control a device located at the door in addition to the door s lock A diagram of this SRM usage is shown below in Figure 15 Figure 15 SRM s wiring color code Color Function Purple TTL input to SRM Connected to the IP Bridge s TTL1 or TTL2 terminal Black Signal Ground from IP Bridge Connects to IP Bridge s GND terminal White Red SRM Relay Common contact White Vi...

Страница 26: ...to the DC R connection See Figure 16 Figure 16 5 4 READER INDICATOR OUTPUTS Note These features are designated for inclusion in future releases of the IP Bridge See Figure 17 BP Terminal Connection The BP will be an output for controlling a beeper on the remote reader GR Terminal Connection The GR will be an output for controlling a green LED beeper on the remote reader RED Terminal Connection The...

Страница 27: ...der are connected to the IP Bridge s W0 W1 and GND terminals The Wiegand ground conductor can be connected to any GND terminal on the IP Bridge The Wiegand ground connection should be dedicated to the Wiegand signal A separate wire conductor would be used to ground any other door components to the IP Bridge Wiegand signal should be a driven 5 VDC signal provided by the Wiegand device may be accomp...

Страница 28: ...es applied The recommended system integrator evaluation process is to use either an IP Bridge or PowerNet w WIM and test against the existing hardware and credentials Validate that the reported credentials really uses the Wiegand protocol and that the existing card format is handled appropriately If you need assistance and can supply the appropriate materials to ISONAS we will test your configurat...

Страница 29: ...n the ISONAS Crystal software you can configure how the door responds to the REX button The momentary switch is directly connected to the ISONAS IP Bridge First connect one conductor from the switch to the IP Bridge s REX terminal as shown in Figure 19 Then connect the switch s other conductor to one of the IP Bridge s GND terminals Figure 19 The REX input s return connection will be attached to t...

Страница 30: ...tercom system s functionality In the ISONAS Crystal software you can configure how the door responds to the AUX button In local mode the door will stay unlocked for the period that the AUX switch is closed The momentary switch is directly connected to the ISONAS IP Bridge First connect one conductor from the switch to the IP Bridge s REX terminal as shown in Figure 20 Then connect the switch s oth...

Страница 31: ...dge s DS terminal as shown in Figure 21 Then connect the switch s other conductor to one of the IP Bridge s GND terminals Figure 21 The DS input s return connection will be attached to the IP Bridge s Signal Ground See the previous Signal Ground Connections section of the manual for more information regarding this part of the connection IMPORTANT If There s No Door Sense Switch If you choose NOT t...

Страница 32: ...mation about each example provided 7 1 LOCK STRIKE WIEGAND DEVICE In Figure 22 a standard lock strike is being powered from the IP Bridge The DC power being supplied to the lock is either 12VDC if the IP Bridge is powered by PoE or 12VDC Or 24VDC if the IP Bridge is powered by 24VDC The Wiegand device is being powered with 10VDC from the IP Bridge Figure 22 ...

Страница 33: ...tic lock is being powered from the IP Bridge A door sensor and REX button are also being used The DC power being supplied to the lock is either 12VDC if the IP Bridge is powered by PoE or 12VDC Or 24VDC if the IP Bridge is powered by 24VDC The Wiegand device is being powered with 10VDC from the IP Bridge Figure 23 ...

Страница 34: ...d from the IP Bridge The DC power being supplied to the lock is either 12VDC if the IP Bridge is powered by PoE or 12VDC Or 24VDC if the IP Bridge is powered by 24VDC The Wiegand device is being powered with 10 VDC from the IP Bridge The Wiegand device s Tamper switch is being monitored by the AUX input on the IP Bridge Figure 24 ...

Страница 35: ...being controlled Items of note include PoE Plus is providing power for all doors Standard lock strikes are being used o 12VDC is powering the lock strikes Each door has a door sensor switch installed Wiegand devices are at each door o The Wiegand devices are being powered with 10 VDC Figure 25 ...

Страница 36: ...onnected to the Door Lock I O DC Connected to the COM terminal to supply DC power to the lock thru the Lock Relay I O GND Provides return for all connections from the door Wiegand Device GND Provides return for all connections from the door Wiegand Device DC R Output Supplies regulated 10 VDC for the Wiegand device Wiegand Device W0 Input Wiegand data 0 input lead from the Wiegand device Wiegand D...

Страница 37: ...n A PoE Plus injector is providing the power required Items of note include Connections from the door components are the same as described in example 7 4 including o PoE Plus is providing power for door access and IP camera o Standard lock strike is being used 12VDC is powering the lock strike o A door sensor switch is installed o Wiegand device is at the door Figure 26 ...

Страница 38: ...e two IP Bridges is under the PoE power limitation The Ethernet data for both units is supplied with a single network cable connection The IP traffic for the 2nd unit is passed through the 1st unit Connections from the door components are the same as described in example 7 4 including o Standard lock strikes are being used 12VDC is powering the lock strike o A door sensor switch is installed at ea...

Страница 39: ...ion Guide Page 40 For more information Web www isonas com E mail sales isonas com Tel 800 581 0083 toll free or 303 567 6516 CO Fax 303 567 6991 ISONAS Headquarters 4720 Walnut Street Suite 200 Boulder Colorado 80301 USA ...

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