FG 41 SIL 3 / FGH 41 SIL 3 Incremental encoders

Incremental encoders, Sensor Systems

Request technical advice or a quote

An engineer will confirm suitability and availability for your application.

FG 41 SIL 3 / FGH 41 SIL 3

Incremental encoders

Hollow shafts up to Ø 20 mm, solid shafts up to Ø 14 mm (flange or foot mounting)
Certified for safety applications up to SIL 3 / PL e
High signal quality, HTL, TTL, sin/cos, up to 4096 pulses
Options: safety certified solid or hollow shaft attachment

Description

Robust solutions with safety certification

The extremely rugged incremental encoders FG 41 (solid shaft) / FGH 41 (hollow shaft) are specifically designed for safety applications in heavy industry. The SIL certified series offers a high level of safety up to SIL 2 / PL d (position oriented) and SIL 3 / PL e (speed oriented). The encoders are highly resistant to shock and vibration loads, with degree of protection up to IP67. Day offer a high signal quality (HTL, TTL, Sin/Cos) up to 4096 pulses to guarantee exact measurement results even in particularly harsh operating conditions such as in wet areas in rolling mills or sea air.

Technical Data

Supply voltage	12-30 VDC
Signal amplitude	HTL or TTL Sin/Cos
Pulse rate	1024, 2048, 4096
Output signals	0°, 90° and inverted signals, Reference pulse (N) without SIL / PL, with inverted signal
Maximum frequency	Solid shaft: up to 4000 rpm / HTL and TTL: 100 kHz; Sin/Cos: 500 kHz Hollow shaft: up to 3000 rpm / HTL and TTL: 100 kHz; Sin/Cos 500 kHz
Electrical connection	Terminal strip in a terminal box Fixed cable 12-pole round connector M23
Construction type / Ø shafts	Solid shaft (B5 / B35): Ø 11 mm or Ø 14 mm Hollow shaft: Ø 20 mm with keyway (for shafts up to max. length: 48 mm)
Device temperature range	-40 °C to +85 °C
Degree of protection	up to IP66 / IP67
Weight	Approx. 3.0 kg
Device options
Mechanical options	Additional foot (solid shaft, construction type B35 only)
Special features and certificates	For speed oriented safety functions SLS, SSR, SSM, SLA, SAR: SIL 3 (DIN EN 61508); PL e / category 3 (DIN EN ISO 13849) For position oriented safety functions SDI, SS1, SS2, SOS, SLP, SLI, SCA: SIL 2 (DIN EN 61508); PL d / category 3 (DIN EN ISO 13849) Suitable for wet areas in rolling mills Saltwater-proof