DC 16 Ckt Blocks IC660BRD020 and BRD021, GFK-1778C
Contents
1. Each circuit has its own LED If the circuit is configured as an input the LED indicates the presence of threshold voltage at the input terminal If the circuit is configured as an output the LED indicates the actual state of the load GFK 1778C2. 5 and the return to the DC terminal 22 Depending on the layout and current loads positive and negative connections can be bussed and made by individual wires back to the block or power source Power Disconnects It is important to wire block power disconnects so that block power and input power will be removed at the same time Locate the power disconnect as shown below DC SOURCE NO BLOCK x lt DC Caution If circuit power is not removed at the same time as block power the block may power up when multiple inputs are activated even though one leg of power has been removed from the block Connections for a DC Source Block Any circuit can be an input or output Connect one terminal of the device to the block terminals 6 21 Connect outputs to DC and inputs to DC No logic inversion is needed SOQQCCQOQQQQQOQA O GFK 1778C Wiring for Tristate Inputs If any input is configured as a Tristate Input install a resistor across the dry contacts of the input device This added resistance is required to use the Open Wire diagnostic The LED will glow dimly as a result eo BEY P The resistor should be 5 1K Ohms 1 2 Watt or larger Connections for a DC Sink Block Any circuit can be
3. s mounting screws must not be used as the only means of grounding the block Connect the green ground screw on the block to a reliable ground system using a short wire lead minimum size AWG 12 avg 3 3mm in cross section Warning If mounting screws do not make good ground connection and the ground screw is not connected to a reliable ground the block is not grounded Electrical shock hazard exists Death or personal injury may result Removing an Electronics Assembly The block s Electronics Assembly can be replaced with a compatible model without removing field wiring or reconfiguring the block Electronics Assembly N Retaining Screws Qty 2 Terminal Assembly Connector Pins Unscrew the retaining screws at the top and bottom of the block Using a Block Puller IC660BLM507 engage the tabs in the first vent slots Move the tool to the center of the block and squeeze the handle Pull the Electronics Assembly upward Warning If power is applied to the field terminals power is also exposed on the connector pins at the base of the Terminal Assembly and electrical shock hazard exists Do not touch the connector pins Death or injury may result Inserting an Electronics Assembly 1 Align the Electronics Assembly in the guides and push down firmly Caution Do not exert excessive force it may damage the block If unusual resistance is met remove the Electronics Assem
4. 24 VDC supply 48 VDC supply Input impedance typical Input processing time typical Selectable input filter times 5 100ms Input diagnostics Open Wire Overtemperature Failed Switch Output current steady state 2 Amps per circuit jaximum inrush current 10 Amps up to 10ms ock output current 15 Amps at 35 C utput OFF leakage current 1 0mA aximum switching frequency Once per second high inrush current utput turn on delay maximum ims utput voltage drop inimum Recommended Load Input OFF 2 0 volts maximum at 2 Amps inrush 50 mA with No Load enabled Short Circuit Overload No Load Failed Switch Overtemperature Operating Temperature 0 to 60 C 32 to 140 F Storage Temperature 40 C 40 to 212 F Humidity 5 to 95 non condensing Vibration 5 10 Hz 0 2 5 08mm displacement 10 200 Hz at 1G Refer to GFK 0867 for product standards and general specifications Output Diagnostics DC 16 Circuit Sink and Source I O Blocks April 2005 Compatibility Any Hand held Monitor can be used with this block HHM version IC66 HHM501 is required to change baud rate configuration or to configure the block for redundancy For an IC697 series PLC the CPU and programming software must be version 2 0 or later The bus controller must be IC697BEM 731C or later For an IC600 series PLC the CPU must be rev 105 or later For an
5. Blocks User s Manual It includes detailed instructions for block installation and configuration For additional information about systems and communications including bus specifications refer to the I O System and Communications Manual For details about GMR please refer to the GMR User s Manual GFK 1778C Specifications Catalog Numbers Block type 16 circuit discrete input and output 24 48 VDC 16 Circuit Source I O Block IC66 BRD020 Terminal Assembly only IC66 TRD020 Electronics Assembly only IC66 ERDO20 24 48 VDC 16 Circuit Sink I O Block IC66 BRDO21 Terminal Assembly only IC66 TRDO21 Electronics Assembly only IC66 ERDO21 Block Specifications Size height x width x depth 8 83 22 44cm x 3 56 9 05cm x 4 42 11 23cm 4 Ibs 1 8 kg LEDs I O Block Unit OK I O Enabled LEDs each circuit Individual load side indicators Block to block Isolation 1500V Heat Dissipation 91 5 Watts with 16 outputs on at 2 Amps Operating voltage 18 56 VDC 24 48 V 18 30 VDC 24 V Ripple maximum 10 Required DC power 150mA typical 300mA maximum Power supply dropout time 10ms Input Specifications For standard input voltage relative to Source Sink DC Input ON Weight 16 24 VDC 32 48 VDC 0 7 VDC 17 24 VDC 0 14 VDC 34 48 VDC 5 6K Ohms 24 48V 1 8K Ohms 24V 1 7ms plus selectable filter delay 0 8 VDC 0 16 VDC 24 VDC supply 48 VDC supply
6. DC 16 Circuit Sink and Source I O Blocks April 2005 Description The 24 48 VDC Source Block provides current to field output devices It is suitable for use with 3 wire solid state sensors and electromechanical sensors The 24 48 VDC Sink Block for use with 3 wire solid state sensors and electromechanical sensors 24148 VDC Features This block has 16 discrete circuits each easily configured to be an input tristate input or output Output circuits can be connected directly to input circuits without the use of other components or inversion of logic states Control power is tapped off the input output device voltages wired to the terminals No separate block power supply is needed Configurable features include Output Pulse Test capability Selectable Input Filter Time from 10ms to 100ms Output powerup defaults Output Hold Last State or default Blocking diodes and feedback resistors for redundancy applications The block s advanced diagnostics can pinpoint causes of installation and run time errors Diagnostics features of these blocks include Electronic short circuit protection Overtemperature protection Failed switch detection Open wire detection for tristate inputs Overload detection and shutdown No load detection Using this Datasheet This datasheet summarizes information about block installation configuration and diagnostics Your primary reference should be the Discrete and Analog
7. Fiter Time B B Setting input output tristate input pes esn i no Factory Output Default State Detect No Load y o y y yes no mo ysm Output Timeout B 83 bus scans 2 5 10 seconds Redundancy Mode B none none standby duplex GMR _ Duplex Defaut B fo fonot Config Protect B cisabied enabled disabled Installation Instructions Carefully inspect all shipping containers for damage If any equipment is damaged notify the delivery service immediately Save the damaged shipping container for inspection by the delivery service After unpacking the equipment record all serial numbers Save the shipping containers and packing material in case it is necessary to transport or ship any part of the system Block Mounting Genius I O blocks are considered open equipment and therefore must be installed within a protective enclosure They should be located in an area that is clean and free of airborne contaminants There should be adequate cooling airflow The block can be mounted right side up or upside down Leave at least 2 inches of space between blocks Mount the block by drilling two screw or bolt holes for 8 32 hardware Position the block so that the notches in the upper and lower flanges line up with the mounting holes Mount the block using 8 32 screws Use star washers to provide ground integrity DC 16 Circuit Sink and Source I O Blocks April 2005 Grounding The block
8. IC600 series Plus PLC rev 110 or later is required The programming software must be rel 4 02 or later If the bus controller is model C66 CBB900 it must be version C or later For an 1C550 series PLC the CPU must be rev 3 0 or later The programming software must be rel 2 01 or later Block Operation Each circuit can be configured as an input a tristate input or an output If the block is configured as a combination block output feedback is provided via the corresponding input references Wiring Changes for GMR Output Groups An isolation or blocking diode is incorporated into the Terminal Assembly for every point on these blocks These internal diodes make it unnecessary to add external diodes in series with outputs to perform the same blocking isolation function For example these blocks do not require external diodes in series with Q16 outputs in Power feed applications shown in GFK 1277 External diodes are also not needed in conjunction with the standard external 4700pF capacitor when these blocks are used in H T or I pattern GMR Output Groups The blocking or isolation function is already provided by the diodes in the Terminal Assembly External isolation diodes are still needed on common inputs See GFK 1277 for additional information about using diodes with GMR applications 16 Circuit DC Sink I O Blocks A DC sink block has all output devices connected to the positive side of the
9. No Load fault reporting the minimum connected load that can be used is 100mA In a T output group the blocking diodes in block IC66 BRD020 minimize the reverse current into a block that is powered down or not driving the load The blocking diodes prevent the block from being powered through its I O points by the other block in the output group Bus A Bus B Source Blocks Bus B Bus A 1 GMR I Block Output Group 1 An l Block Output Group consists of a source type block connected to one i side of the load and a sink type block connected to the other side This type of group is most suitable for redundant shutdown applications Both blocks in an l Block Output Group must be either 16 circuit or 32 circuit blocks The two blocks must be connected to two different busses Source Block Sink Block GMR H Block Output Group In an H Block Output Group two source type Genius blocks are connected in parallel on one side of each load and two sink type Genius blocks are connected in parallel on the other side An H Block Output Group requires either two or three Genius busses Three Busses Two Busses Bus A BusC Source Blocks l p Source Blocks NI N ni al Sink Blocks Sink Blocks If the blocks are on three busses one source and one sink block in the group must be on the same bus The two blocks on the same bus must have different serial bus addresses If the blocks are on
10. an input or output Connect one terminal of the device to the block terminals 6 21 Connect outputs to DC and inputs to DC De 77771 e o o o BEGCOCCOOCOOOOO 3 l l l l l l l l l l l l l l l l l l l l l l l l l l l I J DC Sink Block Wiring for Tristate Inputs If any input is configured as a Tristate Input install a resistor across the dry contacts of the input device This added resistance is required to use the Open Wire diagnostic The LED will glow dimly as a result For a 24 48 VDC block the resistor should be 5 1K Ohms 1 2 Watt or larger For a 24 VDC block it should be 1 6K Ohms DC 16 Circuit Sink and Source I O Blocks April 2005 LEDs The block s Unit OK and I O Enabled LEDs show its operating status Unit OK I O Enabled Meaning ON ON Block functioning CPU communicating ON OFF Block functioning No CPU communications for 3 bus scans ON Blinking Block functioning Circuit forced Blinking ON Circuit fault CPU communicating Blinking OFF Circuit fault No CPU communications for 3 bus scans Alternate Blinking Circuit fault Circuit forced Synchronous Blinking No CPU communications block number conflict OFF OFF No block power or block faulty
11. barrier Be sure unshielded wire ends are not longer than 2 inches 5 cm Do not overtorque the terminal screws Recommended torque for all terminals is 6 in Ib 678 N M Serial Bus Wiring Using one of the cable types recommended in the System and Communications User s Manual connect the serial bus to terminals 1 4 If a Bus Switching Module will be connected directly to the block see below instead SERIAL 1 SERIAL 2 SHIELD IN SHIELD OUT If the block is at either end of the bus connect a terminating resistor of the appropriate type see the System and Communications User s Manual for details across its Serial 1 and Serial 2 terminals Start End of Bus of Bus Terminating Terminating Resistor Resistor SAN NA Serial 1 Serial 1 Serial 2 Serial 2 Shield In Shield In Shield Out Shield Out Wiring for a Bus Switching Module If the block will be a BSM Controller attach the Bus Switching Module to the block s serial bus terminals Attach the serial bus cables to the BSM as described in the Bus Switching Module datasheet Wire the BSM like a load to circuit 1 Connect either BSM pigtail wire to terminal 6 Connect the other BSM wire to DC DC 16 Circuit Sink and Source I O Blocks April 2005 Power Connections Connect a DC power source to the DC terminal
12. bly If power is applied to the block DO NOT TOUCH THE CONNECTOR PINS Inspect the Terminal Assembly connector receptacle and connector edge board on the Electronics Assembly Be sure the keying matches Remove any obstacles and reinsert the Electronics Assembly Pay close attention to the alignment of the guide pins Secure the Electronics Assembly with the screws on the top and bottom of the Terminal Assembly GFK 1778C Installation in Hazardous Locations These Products have UL C US Hazardous Location CE and FM Class 1 Division 2 Group A B C amp D approvals e THIS EQUIPMENT IS SUITABLE FOR USE IN CLASS DIVISION 2 GROUPS A B C DOR NON HAZARDOUS LOCATIONS ONLY WARNING EXPLOSION HAZARD SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS DIVISION 2 WARNING EXPLOSION HAZARD WHEN IN HAZARDOUS LOCATIONS TURN OFF POWER BEFORE REPLACING OR WIRING MODULES AND WARNING EXPLOSION HAZARD DO NOT DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NONHAZARDOUS Block Wiring All terminals accept one AWG 12 wire avg 3 3mm cross section or two AWG 14 wires each avg 2 4mm in cross section The minimum recommended wire size is AWG 22 avg 36mm in cross section Block terminals can also accommodate spade or ring terminals up to 0 27 inch 6 85mm wide with a minimum opening for a 6 screw and up to 0 20 inch 5 1mm depth from the screw center to the back
13. configured not to shut off at this level or send the OVERLOAD message No Load Diagnostic configurable If a load does not continuously draw 50mA from the output circuit the block sends a NO LOAD message A No Load condition may cause an HHM monitoring the block to display 0 for the circuit although there is voltage at the output and the circuit LED is on This diagnostic should be not be used for circuits on which very small loads small relays transformers or indicating lamps will draw less than 50 mA In GMR applications No Load operates differently See the GMR User s Manual for details GFK 1778C Configuration First the block must be configured with a Hand held Monitor to z Enter its Device Number serial bus address Enter its Reference Number required only for C600 and IC550 series PLCs only In addition unless all circuits on the block will be inputs the Block I O Type must be set to either Outputs or Combination on the Program Block ID screen Note If a block is configured offline it must be properly grounded and have a 75 Ohm resistor installed across its Serial 1 and Serial 2 terminals See the Discrete and Analog I O Blocks User s Manual for instructions The rest of the features can be configured either using a Hand held Monitor or by sending a Write Configuration datagram to the block from the host Feature Circuit Selections or Block Baud Rate B Block O Tys B Puise Tet B Input
14. o protect its internal electronics Failed Switch Diagnostic standard For an output Failed Switch is reported if the circuit s switch state is not the same as its commanded state The block sends a FAILED SWITCH message identifying the failed circuit The logic state of the circuit is set to OFF If the output switch has failed shorted or closed current flow is not interrupted when the block forces the output state OFF Action external to the block must be taken to remedy the problem Several additional switch faults independent of the output state are detected and reported as Failed Switch faults on both input and output configured circuits Examples include loss of communications with the block s internal microprocessor and some internal power supply faults Note that in GMR applications Failed Switch operates differently See the GMR User s Manual for details Open Wire Diagnostic standard Indicates electrical not mechanical malfunctions on a tristate input The circuit must have a non inductive resistor placed as close as practical to the actual dry contacts such as across the field device terminals as shown previously Overload Diagnostic configurable If Overload Shutdown is enabled the block will turn the output off and send an OVERLOAD message if a load exceeds 2 8 Amps DC continuously for 10ms currents Exceeding these limits may cause an overtemperature fault A load that requires more than 2 Amps DC can be
15. power supply Inputs control the negative side DC o od Configured Output i as an Device Output 1 0 Configured i 1 16 asan Input Input Z r 100K Ohms V A hd X UN i 5 6K Ohms LED lt gt Processor Device Field DC Connections l j Ke eq nc Terminal Electronics gt Assembly Assembly 16 Circuit DC Source I O Block A DC source block has all output devices connected to the negative side of the power supply Inputs control the positive side pe 100K Ohms Configured Input as an Device Wy L n Input uN sf eq oct 4 lt gt Processor vO 1 16 I Configured Output asan Device Output l I l l l l l l l l l j l l l ros l 5 6K Ohms J K LED i Terminal Electronics Assembly Assembly t 7 eerie arene ane oq DC Field DC Connections GFK 1778C GMR 2 Block T Output Group A T output group consists of two source type blocks connected in parallel on one side of the load The other side of the load is tied to ground The two blocks must be connected to two different busses In a 2 block T output group current to output loads is shared Therefore it is not possible to be sure exactly how much power is being 0 Volts provided by each block If 16 circuit blocks in a 2 block T output group are configured for
16. two busses one source and one sink block are on one bus and the other source and sink block are on the other bus Any blocks that share a bus must have different serial bus addresses DC 16 Circuit Sink and Source I O Blocks April 2005 Configuration Required for Input Autotest For 24 48VDC blocks in a GMR system if Input Autotesting for the Input Group is turned ON in the GMR Configuration then during the Genius configuration of the blocks in the group the Output Pulse Test feature must be disabled Otherwise circuits that would normally pass the Input Autotest are incorrectly reported as having failed When Output Autotest is disabled the Input Autotest feature functions correctly Diagnostics The block always performs its standard diagnostic checks plus two configurable output diagnostics The block reports all faults to the Hand held Monitor and takes appropriate corrective action Short Circuit Diagnostic standard If the instantaneous current exceeds 10 Amps at turn on the block turns the output off The block attempts to restart the load if two attempts are unsuccessful the output circuit is forced off and the block sends a SHORT CIRCUIT message The cause of the current surge must be removed then the diagnostic must be cleared from the HHM or the CPU Overtemperature Diagnostic standard If the block s internal temperature exceeds 120 C the block sends an OVERTEMPERATURE message and turns off the circuit t
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