This Profinet absolute rotary encoder is engineered as a precise 1:1 replacement for the AVM78E-012KRR0GN-1212 model, designed to match original mechanical dimensions, flange interface, and industrial Profinet communication specifications. It delivers reliable absolute position feedback with multiturn capability, ensuring true positional information retention even through power interruptions — a core requirement for automation, motion control, and precision positioning systems. The rugged construction supports stable performance in demanding environments and enables seamless integration into existing Profinet networks without structural modifications.
To support fast project timelines and minimize equipment downtime, this encoder solution offers a short lead time of approximately 10–15 working days, including customized configuration options. Key parameters such as Profinet communication settings, resolution, operating voltage range, and connector type can be precisely matched to your system requirements. This 1:1 replacement approach simplifies procurement, enhances supply chain flexibility, and ensures dependable long-term performance for both retrofit maintenance and new industrial installations.
Technical Data for Multiturn Absolute Rotary Encoder AVM78E
General Specifications
| Attribute | Details |
|---|---|
| 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. 90 mA |
| Linearity | ± 2 LSB at 16 Bit, ± 1 LSB at 13 Bit, ± 0.5 LSB at 12 Bit |
| Output Code | Gray Code, Binary Code |
| Interface Type | SSI (Synchronous Serial Interface) |
| Monoflop Time | 20 ± 10 µs |
| Resolution | Single Turn: Up to 16 Bit Multiturn: Up to 14 Bit Overall: Up to 30 Bit |
| Transfer Rate | 0.1 … 2 MBit/s |
Standard Conformity
| Attribute | Standard |
|---|---|
| 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 | Details |
|---|---|
| ATEX Approval | Equipment protection level Gb, ITS 15 ATEX 18372X |
| IECEx Approval | Equipment protection level Gb, IECEx ITS 15.0061X |
Ambient Conditions
| Attribute | Range |
|---|---|
| Operating Temperature | -40 … 70 °C (-40 … 158 °F) |
| Storage Temperature | -40 … 85 °C (-40 … 185 °F) |
Mechanical Specifications
| Attribute | Details |
|---|---|
| Material (Housing) | Anodized Aluminum, Stainless Steel 1.4404 / AISI 316L (Inox) |
| Material (Flange) | Anodized Aluminum, Stainless Steel 1.4404 / AISI 316L (Inox) |
| Shaft Material | 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 |
Additional Information
| Attribute | Details |
|---|---|
| Material Options | - Housing: Anodized Aluminum - Flange: Anodized Aluminum - Shaft: Stainless Steel 1.4404 / AISI 316L - (Inox) All Stainless Steel |
| Shaft Dimensions | 12 mm x 25 mm with flats at 120° |
| Cable Connection | ∅ 10.2 mm, Radox 9 x 0.5 mm² |
| Terminal Compartment | Options available, see ordering information |
