PVM78E-021KRR0BI-1212 – Profibus Multiturn Explosion-Proof Absolute Encoder Custom Engineered
Product Review
Bu PVM78E-021KRR0BI-1212 encoder is part of the Pepperl+Fuchs explosion-proof series built for Profibus systems. Its multiturn design supports precise shaft tracking across multiple revolutions, critical for monitoring and controlling slow-moving but heavy equipment such as drilling heads and conveyor belts in explosive environments. The encoder’s construction ensures compliance with international safety standards for ATEX and IECEx applications, making it a trusted choice for global operators.
Custom Replacement Solution
Our company offers a drop-in replacement solution for the PVM78E-021KRR0BI-1212, customized to align with each client’s installation requirements. Whether adapting for compact enclosures, specialized flange designs, or reinforced cables, we deliver solutions optimized for the field. Production is streamlined to deliver within 15 working days, offering a significant improvement over long OEM lead times. By combining technical precision with rapid availability, we ensure your operations remain uninterrupted and compliant.
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 |
