Pepperl+Fuchs: Hazardous Area Encoder

The 78E Series Ex Encoder is designed for applications in hazardous areas.

Aw 20418 1401np Pf

The encoder is of a "flameproof enclosure" ignition protection class (Ex d) and meets the international ATEX and IECEx requirements for gases according to Zones 1 and 2 and dust according to Zones 21 and 22; it also has third-party approval by TÜV. It is designed for the oil/gas, refineries, mining and material handling (agriculture, chemicals) industries. It is available in wide range of interfaces, including SSI, CANopen, DeviceNet, or PROFIBUS. Along with these different protocols, this encoder series has a removable cover that allows easy configuration and connection to a PLC. In addition to simple installation, the modularity facilitates simple maintenance because the rotary encoder can be replaced independently of the cable. For fieldbus versions, bus coding takes place in the connection cover. This means that the user can program the relevant address on site and set the terminator if required. The encoders feature a 78 mm diameter housing available in anodized aluminum or stainless steel. Mounting can be a clamp or synchro flange. They deliver maximum speeds to 3000 rpm and are designed for a temperature range of -40 °C to 70 °C.

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Pepperl+Fuchs
www.pepperl-fuchs.us.
330.486.0001

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