Penny & Giles Industrial Sensors - PRODUCT NEWS
New high performance DUAL OUTPUT contactless rotary position sensor
Penny + Giles, the position sensor specialist, has launched a new contactless rotary position sensor with dual outputs, SRH280DP. The new sensor incorporates a factory programmable Hall effect sensor and has two outputs that can be programmed individually. As a result, it provides reliable and accurate rotary position measurement in extreme industrial and off-highway environments, allowing users to improve the safety and integrity of their control systems.
OEMs can choose from a wide selection of parameters so they can best configure the sensor to suit their needs and achieve maximum performance. They can specify the measurement range and output in a clockwise or anticlockwise direction. For example, one signal can be used in a control function while the other is used for position monitoring or display purposes.
The sensor operates from either a 5Vdc regulated or 9-30Vdc unregulated power supply and has an over-voltage protection to 40Vdc. It can be supplied programmed with any one of 341 different angles in the range 0-20 to 0-360 degrees in one degree increments and it has a 12 bit resolution (0.025%) over the selected measuring range.
For ease of configuration, SRH280DP is available with analogue (0.5 to 4.5Vdc) or digital (Pulse Width Modulated) signal output. The two outputs can be used for error checking if they are set up to be opposed (clockwise on the first signal and anticlockwise on the second signal) and the output summed.
The sensor has been especially designed to work in harsh industrial environments and has excellent shock and vibration resistance. The shaft and body are totally sealed to IP68, for a high level of protection against the ingress of dust and fluids. It has a superior temperature rating to +140ºC when operated at 5Vdc and a temperature stability of less than ±30ppm/ºC. The sensor body has a crush-proof 28mm mounting flange.
SRH280DP features electro magnetic compatibility (EMC) immunity to 100V/m and it has a very low maximum output signal noise of less than 1mV. This means that no additional signal filtering is required on the output signal. It also has a class-leading non-linearity of ±0.4%.
The sensor body depth is only 18.1mm from the mounting face, which is 22% smaller than competitive products. This allows the sensor to be fitted into tight spaces.
SRH280DP has a choice of three shaft designs - a one-piece spring shaft design (S); a D shaft option; and a 2.4mm blade style (H) to suit specific motorsport applications. The sensor is fitted with a co-moulded 4-core cable, spec 55A 24AWG cores with DR-25 outer jacket, compatible with industry standard cable harnesses.
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