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EGS® 41, flange/foot construction from 0,5 rpm, with SIL 2 certificate >
Advantages, function, options

Advantages, function, options

Advantages:

Certified by TUEV NORD for use in safety-related applications up to SIL 2 in accordance with IEC 61508 and PL d to DIN EN ISO 13849
2 safety switching outputs for speed monitoring
User programmable over- and underspeed from 0.5 rpm
Integrated standstill and slip monitoring
1 diagnostics switch to monitor integrated safety functions
Programming software EGS® 41-Pro (USB interface) for user-friendly configuration
Wear-free electronic switching contacts
High switching accuracy
Integrated overcurrent recognition of switching contacts
Integrated status monitoring of switching contacts
Robust aluminium housing with encapsulated terminal electronics
Device operating temperature range: -25° ... +85°

EGS®(H) 41 functions

• Overspeed switch

Two electrically isolated overspeed monitoring switches are available. Each switch can be programmed to monitor over and underspeeds together with the corresponding switchback speeds. The “direction dependent” switch setting feature makes it possible to store different switching speeds for each switching point according to the direction of rotation.

• Diagnostics

The diagnostics function automatically checks safety-function relevant hardware and software modules.

• Switch monitoring (Imin)

The switch monitoring function monitors the statuses of the switching contacts. A closed switch is recognised if a switching contact current > 5 mA flows. Current flow is monitored in both directions.

• Overcurrent recognition (Imax)

Each switching channel features integrated switch monitoring and overcurrent detection. Overcurrent detection responds to an overcurrent of 1.5 times the maximum current, no matter in which switching channel the overcurrent condition occurs. If an overcurrent condition occurs the device enters a safe state. The switch current is analysed and evaluated for both directions of current flow.

Block diagram

System requirements

For configuration purposes it is possible to use any Windows^® PCs that fulfils the following system requirements:

Windows^® XP, Vista, Windows^®7
When transferring administrator rights to the programme: Vista compatible
CD-ROM drive
Available USB port

Range of supply

Overspeed switch EGS^®(H)41
Programming software EGS^® 41-Pro
USB cable
Documentation

Options

Supply voltage: 12 ... 30 V DC or 100 ... 240 V AC
Switching voltage: 0 ... 30 V DC (max. 500 mA) or 30 ... 230 V AC/DC (max. 250 mA)
Design: B5 (flange) and B35 (flange and foot) EGS^® 41 or EGS^®H 41 hollow shaft
Degree of protection: IP 65, IP 66, IP 66/67
Additional incremental output (requires 2 terminal boxes)
4 programmable switching outputs (requires 2 terminal boxes)
Second shaft extension for device combinations
Other device options on request