PVM78E-021DRR0BN-1212 Profibus Multiturn Explosion-Proof Absolute Encoder Replacement Solution
Product Review
Bu PVM78E-021DRR0BN-1212 is a multiturn absolute encoder designed for hazardous environments, featuring Profibus-DP communication for fast and reliable data transfer in complex industrial networks. Its explosion-proof housing complies with international safety standards, making it ideal for petrochemical, mining, and energy industries. With high resolution and strong resistance to interference, this model is widely used in applications requiring precise position feedback and multiturn measurement.
Custom Replacement Solution
We offer fully compatible replacement solutions, ensuring identical mechanical dimensions, communication protocol, and resolution. Customization options are available, such as shaft diameter adjustments, special flange designs, or reinforced sealing. Our delivery time is fixed at 15 working days, providing a faster supply compared to OEM lead times and minimizing downtime.


Technical Data for Multiturn Absolute Rotary Encoder PVM78E
General Specifications
Attribute | Detaylar |
---|---|
Detection Type | Photoelectric Sampling |
Device Type | Multiturn 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 |
Time Delay Before Availability | < 1000 ms |
Linearity | ± 2 LSB at 16 Bit, ± 1 LSB at 13 Bit, ± 0.5 LSB at 12 Bit |
Output Code | Binary Code |
Interface Type | PROFIBUS DP |
Resolution | Single Turn: Up to 16 Bit, Multiturn: Up to 14 Bit, Overall: Up to 30 Bit |
Transfer Rate | 0.0096 … 12 MBit/s |
Standard Conformity | PNO profile 3.062, RS-485 |
Environmental and Durability
Attribute | Detaylar |
---|---|
Degree of Protection | DIN EN 60529, IP66 |
Climatic Testing | DIN EN 60068-2-78, no moisture condensation |
Emitted Interference | EN 61000-6-4:2007/A1:2011 |
Noise Immunity | EN 61000-6-2:2005 |
Shock Resistance | DIN EN 60068-2-27, 100 g, 3 ms |
Vibration Resistance | DIN EN 60068-2-6, 10 g, 10 … 2000 Hz |
Approvals and Certificates
Attribute | Detaylar |
---|---|
IECEx Approval | Equipment protection level Gb, IECEx ITS 15.0061X |
ATEX Approval | Equipment protection level Gb, ITS 15 ATEX 18372X |
Ambient Conditions
Attribute | Range |
---|---|
Operating Temperature | -40 … 70 °C (-40 … 158 °F) |
Storage Temperature | -40 … 85 °C (-40 … 185 °F) |
Mechanical Specifications
Attribute | Detaylar |
---|---|
Material | Housing, Flange: Anodized Aluminum or Stainless Steel 1.4404 / AISI 316L, Shaft: Stainless Steel 1.4404 / AISI 316L |
Mass | 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 | Detaylar |
---|---|
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 |