PHOTOSWITCH R Photoelectric Sensors
42BC Long Range Background Suppression
Description
The 42BC photoelectric sensor offers high performance background suppression performance at sensing ranges up to 2m (6.6ft). This type of sensing capability is desirable in applications where standard transmitted beam or retroreflective sensing is not practical due to no easy access to both sides of the target or when economics is a major factor. The 42BC photoelectric sensor uses a triangulation method to mechanically adjust the sensing angle, thereby, ensuring reliable detection of the target while ignoring the background. Using the sensitivity adjustment on the top cover, the desired sensing range can be dialed in to meet the specific application. The 42BC is available in either a 1m (3.3ft) or 2m (6.6ft) sensing range. For applications where the sensing distances are much shorter use of the RightSight background suppression sensor is recommended. These sensors offer a fixed 50mm (2in) and 100mm (4in) sensing range. Similar long range sensing distances may be solved with the 42BT photoelectric sensor also. This sensor provides a smaller package style for space critical installations.
General Specifications
Unit Protection Supply voltage Current Consumption Output Type Output Mode Output Rating Response Time Housing Material Lens Material LED Indicators Connection Types Supplied Accessories Optional Accessories Operating Environment Vibration Shock Operating Temperature Relative Humidity Approvals Output short circuit (SS version only), reverse polarity, false pulse, transient noise 12–24V DC 30mA maximum NPN and PNP (DC version) SPST N.O. relay (AC version) Light/dark operate selectable 100mA@24V DC 3A@240V AC 20ms maximum (DC version) 30ms maximum (AC version) Polycarbonate Acrylic See User Interface on page 1–130 Screw terminal, 16 AWG (1.3mm2) Right angle mounting bracket Cordsets, mounting brackets—see Section 5 NEMA 1, 12, 13 IP65 (IEC529) 10–55Hz, 1mm amplitude, Meets or exceeds IEC 60947–5–2 30g with 1ms pulse duration, Meets or exceeds IEC 60947–5–2 –25_C to +55_C (–13_F to +131_F) 5…85% UL listed, CSA certified, and CE marked for all applicable directives
Features
• Long range background suppression diffuse sensing mode • Adjustable range settings • Slim housing style • Highly visible LED Indicators • Screw terminal connections • Both NPN and PNP outputs (DC) • SPST relay output (AC) • Short-circuit protected outputs
General Information
Wiring Diagrams . . . . . . . . . page 1–130 Dimensions . . . . . . . . . . . . . page 1–130
Sensing Modes
Background Suppression . page 1–131
Accessories
Quick-Disconnect Cables . . . page 5–1 Mounting Assemblies . . . . page 1–301 Replacement Cover . . . . . . page 1–305
1–129
Free Datasheet http://www.datasheetlist.com/
PHOTOSWITCH R Photoelectric Sensors
42BC Long Range Background Suppression
User Interface Panel
Label
M rgin Margin
Color
Green
State
OFF ON OFF
Status
0.8>margin>1.2 0.8