A/958SP Absolute Fieldbus Encoder
- Manufacturer: ELCIS Encoder
- Category: Encoder, Absolute Encoder, Absolute Encoder Fieldbus, SENSORS
The A/958SP is a compact absolute encoder with a Ø58 mm flange and a robust housing, featuring a PROFIBUS-DP interface. It is servo-mounted using clips or front screws and offers high resolution at an excellent price/performance ratio.
The A/958SP is a single-turn or multi-turn absolute encoder with a PROFIBUS-DP Class 2 interface and RS485 line driver, with a transmission speed of up to 12 MBaud. It allows selection of 4096, 8192, 16384, 32768, or 65536 steps per revolution and 1, 4096, or 16384 revolutions, with a maximum of 30 bits in binary code. The address is programmed using selectors on the terminal box, and two LEDs indicate the status.
Constructed with a Ø58 mm aluminum housing and a Ø6 f6 stainless steel shaft (Ø10 optional), it supports radial and axial loads of 40 and 110 N. It features IP64 protection on the shaft side (IP66 in the sealed version), withstands 30 G impacts and 10 G vibrations, and operates from -40 to +85 °C. Available in guemisa.es.
- Interface PROFIBUS-DP Class 2 with RS485 line driver up to 12 MBaud.
- Resolution of up to 16 bit per turn and 30 bit in 16384 turns.
- Programmable steering with selectors and 2 LED of state.
- Nutrition 10–30 V DC with maximum consumption of 2.5 W.
Technical Frequently Asked Questions
What resolutions and lap times can the A/958SP be configured for?
It allows you to choose 4096, 8192, 16384, 32768 or 65536 steps per revolution and 1, 4096 or 16384 revolutions, with a maximum resolution of 30 bits at 16384 revolutions.
What parameters are programmable on the PROFIBUS-DP interface?
Direction of rotation (complement), resolution per revolution, total resolution, preset value, speed output and software limit switches.
What connections are available?
IP65 connection cover (3PG), IP65 stainless steel connection cover (3PG-VA) and IP65 2-wire connection cover (2M20).
Properties
| Feature | Specification |
|---|---|
| Housing | Aluminum (custom options available upon request) |
| Weight | 550 g single turn · 600 g multiturn |
| Axis | Ø6 f6 stainless steel (optional Ø10) |
| max radial/axial load. | 40 / 110 N |
| Exit-side protection | IP65 depending on the connection |
| axle-side protection | IP64 standard · IP66 sealed |
| max. continuous RPM | 6000 standard · 3000 sealed (intermittent: +30 %) |
| Impact/vibration resistance | 30G (11ms) 10G (10–1000Hz) |
| Power supply / max. consumption. | 10–30 V DC · 2.5 W |
| LSB pitch frequency | 800 kHz |
| Operating/storage temperature | -40 … +85 °C / -40 … +85 °C |
| Exit code | Binary |
| Division accuracy | ±½ LSB (<13 bit) · ±2 LSB (13–16 bit) |
| Max resolution. | 16 bits/turn · 30 bits in 16384 turns |
| Interface | PROFIBUS-DP Class 2 (DP) · RS485 · max. 12 MBaud |
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