The PVS78E-021K2R0BN-0012 is a rugged singleturn absolute encoder engineered for hazardous industrial environments. Its explosion-proof aluminum housing and stainless-steel shaft provide outstanding resistance to vibration, shock, and temperature extremes. Equipped with a Profibus DP interface, it supports Class 1 and Class 2 operations, including diagnostic feedback, preset values, and extended scaling. This encoder is certified for Zone 1 and Zone 21 applications, making it ideal for oil, gas, chemical, and process automation systems that demand reliable and precise position feedback.
Custom Replacement Solution
We offer a fully custom replacement for the PVS78E-021K2R0BN-0012, designed to meet both mechanical and electrical compatibility requirements. Our non-standard solution allows adjustments for mounting, shaft type, connector options, and communication parameters, ensuring seamless integration into existing installations. By providing a faster alternative to OEM lead times, typically within 15 working days, we minimize production downtime and reduce operational risks in hazardous zones. This solution is particularly valuable for projects requiring rapid deployment, flexibility in installation, or modifications for legacy systems.
Technical Data for Singleturn Absolute Rotary Encoder PVS78E
General Specifications
Attribute
Details
Detection Type
Photoelectric Sampling
Device Type
Singleturn Absolute Rotary Encoder
Functional Safety (MTTFd)
210 a, L10: 7.7 E+9 at 3000 rpm
Operating Voltage (U_B)
10 … 30 V DC
No-load Supply Current (I_0)
max. 230 mA at 10 V DC, max. 100 mA at 24 V DC
Linearity
± 2 LSB at 16 Bit, ± 1 LSB at 13 Bit, ± 0.5 LSB at 12 Bit
approx. 2600 g (combination 1), approx. 3900 g (combination 2)
Rotational Speed
max. 3000 min^-1
Moment of Inertia
180 gcm^2
Starting Torque
≤ 4 Ncm
Shaft Load
Axial: 60 N, Radial: 80 N
Connectivity
Attribute
Details
Cable Connection
∅9.6 mm, 7-core, Terminal compartment for connections
Operating Modes and Parameters
Operating Mode / Parameter
Description
Direction of Rotation
Programmable, cw ascending or descending
Scaling Function
Supported, programmable resolution per revolution
Preset Function
Supported, programmable preset value
Diagnostic Reporting
Expanded diagnostic reporting supported
Speed Transfer
Supported, with selectable unit
Limit Switches
Programmable limit switches (software)
Commissioning Mode
Supported, with commissioning mode
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