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GE Fanuc Genius PLC

IC660BBD021 | GE Fanuc



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Manufacturer GE Fanuc
Description GE Fanuc Genius I/O Block 24/48 Vdc Sink Input/Output 16 Circuits 3 Wire Sensor Compatible
Weight 4 lbs :: ≈ 2 kgs
Warranty 1 Years
Other Available Revisions of the IC660BBD021 : A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z,

Four different types of 16 Circuit DC I/O Blocks are available. There are two source blocks, which provide current to field output devices: 24 VDC Source block (IC660BBD022), for use with 2 wire and 3 wire solid state sensors and electromechanical sensors. 24/48 VDC Source block (IC660BBD020), for use with 3 wire solid state sensors and electromechanical sensors. There are also two sink blocks, which receive current from field output devices: 24 VDC Sink block (IC660BBD023), for use with 2 wire and 3 wire solid state sensors and electromechanical sensors. 24/48 VDC Sink block (IC660BBD021), for use with 3 wire solid state sensors and electromechanical sensors. Features Genius 16 Circuit DC Input/Output blocks have 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 CPU Redundancy type Bus Switching Module control The block s advanced diagnostics can pinpoint causes of installation and run time errors. Each circuit has electronic circuit protection that shuts down an output if inductive surge current exceeds 15 amps for more than 10mS. The output is easily restored by command from a Hand held Monitor or the CPU. Additional diagnostics of these blocks are: Overtemperature Failed Switch Open Wire for Tristate Inputs Overload Detection and Shutdown No load Detection 2A/Pt Max 15A Max Total 24/48 VDC Source In/Out GENIUS GE Fanuc Compatibility These blocks can be used with any Genius bus controller. They can also be used with a PCIM or QBIM module. They are compatible with all Genius Hand held Monitors. 8 8-2 Genius I/O Discrete and Analog Blocks User s Manual September 1993 GEK-90486D-2 Specifications Block Type: 16 circuit discrete input and output Catalog Numbers: 24/48 VDC 16 Circuit Source I/O Block IC660BBD020 Terminal Assembly only IC660TSD020 Electronics Assembly only IC660EBD020 (same as block IC660BBD022) 24VDC Source 16 Circuit Source I/O Block IC660BBD022 Terminal Assembly only IC660TBD022 Electronics Assembly only IC660EBD020 (same as block IC660BBS020) 24/48VDC 16 Circuit Sink I/O Block IC660BBD021 Terminal Assembly only IC660TSD021 Electronics Assembly only IC660EBD021 (same as block IC660BBD023) 24VDC 16 Circuit Sink I/O Block IC660BBD023 Terminal Assembly only IC660TBD023 Electronics Assembly only IC660EBD021 (same as block IC660BBD021) Size (height x width x depth): Weight: 8.83 (22.44cm) x 3.50 (8.89cm) x 3.94 (10.00cm) 4 lbs. (1.8 kg) LEDS (block): LEDs (each circuit): Unit OK, I/O Enabled Individual load side indicators Heat Dissipation: 68.8 Watts with 16 outputs on at 2 amps. Block to Block Isolation: 1500 V Operating voltage: 18 56 VDC (24/48 V), 18 30 VDC (24 V) Ripple (maximum): 10% Required DC power: 150 mA typical/300 mA maximum Power supply dropout time: 10mS Input Characteristics: For standard input, voltage relative to (DC ) Source Blocks Sink Blocks Input ON, 24 VDC supply 16 24 VDC 0 8 VDC 48 VDC supply* 32 48 VDC * 0 16 VDC* Input OFF, 24 VDC supply 0 7 VDC 17 24 VDC 48 VDC supply* 0 14 VDC* 34 48 VDC* Input processing time (typical) 5.6K ohms (24/48V), 1.8K ohms (24V) Input impedance (typical) 1.7mS (plus selectable filter delay) Selectable input filter times 5 100mS Input diagnostics Open wire, Overtemperature, Failed Switch Output Characteristics: Output current (steady state) 2 amps per circuit Maximum inrush current 10 amps up to 10mS Block output current 15 amps at 35C Output OFF leakage current 1.0 mA Maximum switching frequency Once per second (high inrush current) Output turn on delay (maximum) 1mS Output voltage drop 2.0 volts maximum at 2 amps inrush Minimum Recommended Load 50 mA with No Load nabled Output Diagnostics Short Circuit, Overload, No Load, Failed Switch, Overtemperature Environmental: Operating temperature 0 to +60C (32 to +140F) Storage temperature 40 to +100C ( 40 to +212F) Humidity 5 to 95% (non condensing) Vibration 5 10Hz 0.2 (5.08mm) displacement, 10 200Hz at 1G * for 24/48 VDC blocks 8 GEK-90486D-2 Chapter 8 16 Circuit DC Input/Output Blocks 8-3 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. 16 Circuit DC Source I/O Blocks A DC source block has all output devices connected to the negative ( ) side of the power supply. Inputs control the positive (+) side. Configured as an Input Configured as an Output Input Device Output Device Field Connections Terminal Assembly Electronics Assembly LED 1200W 75V 5.6K Processor 1 16 DC+ DC I/O Smart Switch DC DC+ .1mF 16 Circuit DC Sink Blocks A DC sink block has all output devices externally connected to the positive (+) side of the power supply. Inputs control the negative ( ) side. DC+ DC 1200W 75V Electronics Assembly Processor Smart Switch DC+ DC I/O 1 16 Terminal Assembly Field Connections Configured as an Output Configured as an Input Input Device Output Device * * 5.6K ohms for 24/48 VDC blocks. 1.8K ohms for 24 VDC blocks .1mF LED For 24/48 Volt DC Blocks, the internal resistor is 5.6K ohms. For 24 Volt DC blocks, the internal resistor is 1.8K ohms. Circuit LEDs 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. 8 8-4 Genius I/O Discrete and Analog Blocks User s Manual September 1993 GEK-90486D-2 Inputs and Outputs The block can be configured as an inputs only, outputs only, or combination block. Regardless, the block always broadcasts two bytes of data each bus scan, and accepts two bytes of data each bus scan. If the block is configured as an inputs only block, all circuits must be regular inputs or tristate inputs. The block will use 16 input references and NO output references. If the block is configured as an outputs only block, all circuits must be regular outputs; no feedback analysis will be performed. The block will use 16 output references and NO input references. If the block is configured as a combination block circuits can be any mix of inputs and/or outputs. The block will use 16 input references and 16 output references. The actual state of each output circuit will be returned to the CPU in the corresponding input references location. The CPU can monitor the feedback state to verify (after an appropriate delay) that the output switching device has operated properly and that the load has the proper voltage and current applied. Appendix B shows reference usage for a Series 90, Series Six, or Series Five PLC. Input Data Format A 16 Circuit DC I/O Block broadcasts 2 bytes of input data each bus scan. Byte # Description 0 Inputs 1 8 (input 1 in bit 0) 1 Inputs 9 16 (input 9 in bit 0) Output Data Format The block receives 2 bytes of output data from the bus controller each bus scan. Byte # Description 0 Outputs 1 8 (output 1 in bit 0) 1 Outputs 9 16 (output 9 in bit 0) Hand held Monitor I/O Display The Hand held Monitor displays the I/O types (line 3) and current states (line 4) of all circuits on the Monitor Block screen. 1234567890123456 1101010010010101 REF 1 16OI Individual circuits are displayed on the Monitor/Control Reference screen (which also shows a circuit s fault and force status). 8 GEK-90486D-2 Chapter 8 16 Circuit DC Input/Output Blocks 8-5 Diagnostics The block always performs its standard diagnostic checks, plus two optional output diagnostics. The block reports all faults to the Hand held Monitor, and takes appropriate corrective action. Individual circuits can be configured not to send diagnostic messages to the CPU if a fault occurs. If the CPU requests diagnostic information from the block using Read Diagnostics datagrams, the block returns current diagnostics for all circuits, including any with CPU fault reporting disabled. Overtemperature Diagnostic Each circuit has a built in thermal sensor. If the block s internal temperature exceeds 100C, the block sends an OVERTEMPERATURE message and turns off the circuit to protect its internal electronics. This diagnostic is always performed for both inputs and outputs. Short Circuit Diagnostic Automatic output diagnostic. Output circuits are protected by a short circuit level sensor at the switching device. If the instantaneous current on an output exceeds 10 amps at turn on, the block turns the output off within microseconds. The block will try to restart the load; if two attempts are unsuccessful, the output circuit is forced off and the block sends a SHORT CIRCUIT message. To restore normal operation to output the cause of the current surge must be removed, then the diagnostic must be cleared from the HHM or the CPU. This diagnostic detects shorts across the load only. Also, systems with floating power supplies do not detect shorts of I/O points to ground because there is no return current path. Systems with power supplies grounded on the negative side detect grounded output points either as Failed Switch (sink blocks) of Short Circuit (source blocks). Partial (high resistance) shorts may not draw enough current during a Pulse Test to be detected by the Pulse Test. Failed Switch Diagnostic The block automatically monitors all circuits for several types of faults, which may be reported as Failed Switch diagnostics. 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. When an output fault occurs, the actual condition of the output switch is not known. 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. The FAILED SWITCH message can alert personnel or cause program logic to be activated, possibly shutting off power to the block, I/O section, or process. 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. 8 8-6 Genius I/O Discrete and Analog Blocks User s Manual September 1993 GEK-90486D-2 Open Wire Diagnostic The block automatically performs this diagnostic on any circuit configured as a tristate input. It will detect an electrical (not mechanical) malfunction in a circuit. In addition to being configured as 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). For the 24/48 VDC blocks (IC660BBD020 and 021), a 5.1K ohm external resistor should be used. For the 24 VDC blocks (IC660BBD022 and 023), a 1.6K ohm external resistor should be used. DC Source Block Tristate Input Thresholds DC Tri-state Thresholds a41567 IN With the switch closed (ON state), the circuit senses the low source impedance. With the switch open (OFF state), the circuit senses the added resistance. If a wire is broken, cut or removed, impedance becomes very high. The block will transmit 0 as the state of the input, and send an OPEN WIRE message. Since faulty input circuit monitoring requires specific current flows, devices as photo sensors, electronic high speed counters, instrumentation, fiber optic sensors, and similar electronic devices cannot be monitored for Open Wire conditions. Such devices should be set up as standard, not tristate, inputs. GE offers compatible input devices including a 5.1K ohm monitoring resistor with its line of General Purpose Control sensor devices. 8 GEK-90486D-2 Chapter 8 16 Circuit DC Input/Output Blocks 8-7 No Load Diagnostic The optional No Load diagnostic can be enabled or disabled for individual outputs. For a new block, outputs are configured to report No Load conditions. In this configuration, energizing the output activates a no load current level. If the load does not continuously draw 50mA from the output circuit, the block sends a NO LOAD message. Because this diagnostic monitors both current and voltage, 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. Overload Diagnostic Like No Load detection, this diagnostic is optional for individual outputs on the block. In addition to the protection provided by the block s built in Short Circuit detection, Overload Shutdown provides further protection for output loads, field wiring, and switching devices. If a load exceeds 2.8 amps DC continuously for 10mS, the block will turn the output off and send an OVERLOAD message if Overload Shutdown is enabled. For a load that requires more than 2 amps DC, the output can be configured not to shut off at this level or send the OVERLOAD message. These restrictions apply: 1. Maximum load current: 5 amps DC 2. Maximum duty cycle: limit duty cycle so that: (load current) x (% ON) is less than 1.0 amp. 3. Maximum ON time: 1 minute 4. Maximum total current of all outputs ON at the same time is less than 16 amps. For example, a maximum 5 amp load can be pulsed at a 20% duty cycle, or up to 1 minute ON and 9 minutes OFF. Higher repetition rates can be used if the duty cycle is maintained. The duty cycle derating to an average of 1 amp output current and the ON time limit are needed to avoid overheating due to increased power dissipation in the block at these high currents. Exceeding these limits may cause an overtemperature