PT250

Opposed Mode LR250 & PT250 Remote Sensor Pair The LR250 emitter and PT250 receiver are compact, totally-encapsulated opposed mode remote sensors whose 1/4 diameter smooth barrel design and excellent operating characteristics make them ideal for many sensing applications. Mounting and alignment are extremely simple, due to these sensors wide field of view. The LR250 and PT250 may be mounted through a 1/4 (6,4mm) clearance hole and held in place by a setscrew, or in a model SMB250 mounting block. LR/PT250 series sensors are fully encapsulated, and have hermetically sealed lenses to eliminate internal condensation. Units may be washed down without damage. Identical optical performance in different housing styles is available in models LR/PT200, 300, and 400 (see Banner product catalog). The minimum object size required to break the beam of the LR250/PT250 opposed mode sensor pair is 1/8-inch. These sensors are designed for use with Banner MICRO-AMP system MA3-4 and MA3-4P modulated amplifiers, MAXI-AMP system CM Series modulated amplifiers, and MB Series amplifiers. EXCESS GAIN CURVE BEAM PATTERN Specifications, LR250 & PT250 RANGE: up to 8 feet in opposed mode (see gain curve) Wiring rules: EFFECTIVE BEAM: 0.14 inch (3.6 mm) diameter 1) Avoid running remote sensor cables in wireways together with RESPONSE SPEED: a function of the amplifier (see below) power-carrying conductors. OPERATING TEMPERATURE: -40 to +100 C (-40 to +212 F) 2) Avoid running remote sensor cables through areas of known ex- EMITTER CHARACTERISTICS (LR250): infrared LED, treme electrical interference (electricalnois). 880nm 3) Always use shielded cables and only connect the shield drai) CONSTRUCTION: totally encapsulated, hermetically sealed lenses. wire at the amplifier. Delrin housing NEMA 1, 3, 4, 12, and 13. 4) When splicing, never combine emitter and receiver wires into a CABLE: sensors are supplied with 6 of PVC-covered cable. common cable. (The result will be electricalcrosstal within the 30 cables are available by special order. cable, which causes alock-o condition of the amplifier.) Hookup to MB Series Amplifiers Banner remote sensors will connect to any MB Series amplifier. The model MRB chassis (shown) has octal sockets for the amplifier and a BR-2 relay (supplied) and provides power for the sensors and amplifier. Up to four sen - sor pairs may be connected to one amplifier for light-operated OR or dark operated AND operation. In multiple-sensor hookups, receivers are wired in parallel and emitters are connected in series (see example for CM Series modules, next page). Several MB Series amplifiers are available. Each provides a different output logic function. Chassis models with additional octal sockets are also avail- able. Other types of output devices, including solid state relays, may be ordered (see Banner catalog). Specifications, MB Series Amplifiers POWER SUPPLY REQUIREMENT: 12-18V dc at less than 100mA, exclusive of load. OUTPUT CONFIGURATION: open collector NPN transistor maximum on-state current 250mA, maximum off-state leakage current 100 micro- RESPONSE SPEED: 1 millisecond ON and OFF. MAXIMUM SENSOR LEAD LENGTH: 100 feet (30m) maximum use separate shielded cables for emitter and reciever. OPERATING TEMPERATURE RANGE: 0 to +50C (+32 to +122 F). Printed in USA P/N 03389C4BHookup to MAXI-AMP CM Series Modules CM Series modules combine power supply, modulated photoelectric seesligh) or dark-operated AND logic (input to module occurs when amplifier, timing logic (CM5 models), and output relay in a single all receivers simultaneously seedar) is possible. compact module. Only an 11-pin relay socket (Banner model RS-11) is needed to complete the system. NOTE: to power the MAXI-AMP from a DC power supply, connect +12 to 18V dc at 70mA to terminal 3 and DC common to terminal The CM Series contains models with or without programmable timing 1. Make no connections to terminal 7 or 8. logic and with either electromechanical or solid-state relay outputs. See the Banner product catalog for further in formation. To Multiple Sensor Up to three sensor pairs may be connected to each amplifier. Light- op - Pairs erated OR logic (input to module occurs whenever at least one receiver When wiring two sensors to one MAXI-AMP, multiply excess gain To a Single Sensor data (from excess gain curve) for Pair each sensor by 1/2 when wiring three sensors to one MAXI-AMP, multiply excess gain by 1/3. Specifications, MAXI-AMP CM Series Modules RESPONSE SPEED: programmable for 10, 2, or 0.3 milliseconds (10 millisecond setting enhances noise rejection). MAXIMUM SENSOR LEAD LENGTH: 50 (15m) maximum. To avoidcable crosstal, use separate shielded cable for emitter and receiver, or order sensors with extended cable length. OPERATING TEMPERATURE RANGE: 0 to +50 degrees C (+32 to +122 degrees F). Hookup to MICRO-AMP Modules MICRO-AMP amplifier module models MA3-4 and MA3-4P may be used with this sensor pair. Model MA3-4 has complementary current sinking outputs. Model MA3-4P has complementary current sourc- ing outputs. Model MA3-4 (but not model MA3-4P) may be powered by the model MPS-15 power supply, as shown in the hookup diagram (right). The MPS-15 includes a socket for the MA3-4 and has a built-in SPDT output relay (switchable by the MA3-4 module). MICRO-AMP modules may also be mounted in the model RS8 wiring socket and powered from aremot power supply. PVC mounting track is available in 6 and 12 lengths to accommodate multiple MI- CRO-AMP system components. NOTE: only one pair of LR/PT250s may be connected to each ampli- fier. Specifications, MICRO-AMP MA3-4 and MA3-4P POWER SUPPLY REQUIREMENT: 10-30V dc at less than 20mA 10% maximum ripple (obtainable from MPS-15 power supply--see above). OUTPUT CONFIGURATION: model MA3-4 has two open-collector NPN (cur- MAXIMUM SENSOR LEAD LENGTH: 30 (9m). rent sinking) transistor solid state switches, one normally open, one normally closed. 150mA max. each output. Model MA3-4P has two PNP (sourcing) outputs, 150mA OPERATING TEMPERATURE RANGE: max. each. -40 to +70 degrees C (-40 to +158 degrees F). RESPONSE SPEED: 1 millisecond ON and OFF. WARNING These photoelectric presence sensors and amplifiers do NOT include the self-checking redundant circuitry neces - sary to allow their use in personnel safety applications. A sensor or amplifier failure or malfunction can result in either an energized or a de-energized sensor output condition. Never use these products as sensing devices for personnel protection. Their use as safety devices may create an unsafe condition which could lead to serious injury or death. Only MACHINE-GUARD and PERIMETER-GUARD Systems, and other systems so designated, are designed to meet OSHA and ANSI machine safety standards for point-of-operation guarding devices. No other Banner sensors or controls are designed to meet these standards, and they must NOT be used as sensing devices for personnel protection. Banner Engineering Corporation 9714 10th Ave. No., Minneapolis, MN 55441 Tel. (763) 544-3164 FAX (orders): (763) 544-3213 FAX (Applications): (763) 544-3573