Speed Switches are divided into:
• mechanical speed switches (centrifugal force switches, type designation starts with FS ..), which are used for safety monitoring of speeds in drive engineering, regardless of the control system, and
• electronic speed switches (type designation starts with ES ..) that use a rectified voltage (own PSU or auxiliary supply) and one or more potentiometers which are set so that a one or more relays is/are operated when the speed limit(s) is/are reached.
• digital speed switches (type designation starts with DS ..) that use HTL or TTL signals from a rotary incremental encoder, independently of the drive control system itself, and generates an output signal for each one of three separately adjustable speeds. This feature can be used to implement a safety function or quality-control.
 FS 90 (FSL) Download... | |||
| Switching speed: | 850 - 4,900 rpm |  | FS 90 mounted = FSL |
| Max. speed: | 1.25 · n | ||
| Switching accuracy: | ± 4 % | ||
| Switching capacity: | 6A/230VAC; 1A/125VDC | ||
| Hysteresis: | approx. 40 % | ||
| Principle: | Centrifugal force | ||
| Weight: | approx. 0.9 kg | ||
| Protection: | IP 55 | ||
| ES 90 (ESL) Download... | |||
| Switching speed: | 650 - 6,000 rpm |  | ES 90 mounted = ESL |
| Max. speed: | 7,000 rpm | ||
| Switching accuracy: | ± (2-4) % | ||
| Switching capacity: | 6A/220VAC; 1A/125VDC | ||
| Hysteresis: | max. 30 % | ||
| Principle: | electronic | ||
| Supply voltage: | none | ||
| Weight: | approx. 1.6 kg | ||
| Protection: | IP 55 | ||
| ES 93with 3 switching speeds Download... | |||
| Switching speed: | 3 x 200 - 5,000 rpm |  | ES 93 R = with relay module |
| Max. speed: | 6,000 rpm | for potential free outputs | |
| Switching accuracy: | ± (2-4) % | ||
| Switching capacity: | 3 x 49 mADC | ||
| Relay module: | 3 x 6A/250VAC; 1A/125VDC | ||
| Hysteresis: | max. 30 % | ||
| Principle: | electronic | ||
| Supply voltage: | 12V/5mA | ||
| Weight: | approx. 1.3 kg | ||
| Protection: | IP 55 | ||
| DS 93with 3 adjustable switching speeds Download... | |||
| Switching speed: | 3 x 25 - 20.000 min-1 |  | DS 93 R = with relay module |
| Max. speed: | 20.000 min-1 | for potential free outputs | |
| Switching speed range: | depends on pulses per turn of encoder | ||
| Inputs: | K1,K1 inv, K2, K2 inv | ||
| Operating voltage range: | +15 to +26 V DC | ||
| Outputs: | High(12V): n<ns Low(0V): n>=ns / max. 40 mA | ||
| Response time: | max. 40 ms | ||
| Principle: | digital | ||
| Temperature range: | -20 °C to +70 °C | ||
| Protection: | IP 65 | ||
| ES 90 / ES 93 + FSL | |||
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| Combination: | |||
| electronic speed switch ES 90 or ES 93 | |||
| with mechanical speed switch FS 90 (FSL) | |||
| continous shaft | |||
| ES 100 Download... | |||
| Switching speed: | 110 - 500 rpm |  | |
| Max. speed: | 550 rpm | ||
| Switching accuracy: | ± 4 % | ||
| Switching delay time: | <= 40 ms | ||
| Hysteresis: | max. 30 % | ||
| Principle: | electronic | ||
| Supply voltage: | none | ||
| Weight: | approx. 1.9 kg | ||
| Temperature range: | -20 °C to +85 °C | ||
| Protection: | IP 55 | ||
| POG 10 + DSL Download... | |||
Incremental encoder POG 10 with integrated Digital Speed Switch |  | EURO-Flange B10; shaft d= 11 mm | |
| Supply voltage: | +15 .. +30V DC max 200 mA (DSL.R) +9 .. +30V DC max 200 mA (DSL.E) | ||
| Permissible encoder temperature | -30°C to +85°C | ||
| Maximum speed (mechanical): | 6000 rpm | ||
| Protection class: | IP 66 | ||
| Weight: | approx. 3.3 kg | ||
| Square-wave cycles per turn | z = 512; 1024; 2048; 2500 | ||
| Switching speeds: | z = 512: ±16 ... ± 6000 rpm z = 1024: ± 8 ... ± 6000 rpm z = 2048: ± 4 ... ± 3500 rpm z = 2500: ± 3 ... ± 2900 rpm | ||
| Response time: | max. 40 ms | ||
| programmed with the provided software | |||
| Version DSL.R | suitable for operation with an external relay module DS 93 R | ||
| Version DSL.E | Version with three internal electronic relays | ||
| HOG 10 + DSL Download... | |||
Incremental encoder HOG 10 with integrated Digital Speed Switch |  | Hollow-shaft with clamping device up to d= 16 mm | |
| Supply voltage: | +15 .. +30V DC max 200 mA (DSL.R) +9 .. +30V DC max 200 mA (DSL.E) | ||
| Permissible encoder temperature | -30°C to +85°C | ||
| Maximum speed (mechanical): | 6000 rpm | ||
| Protection class: | IP 66 | ||
| Weight: | approx. 3.1 kg | ||
| Square-wave cycles per turn | z = 512; 1024; 2048; 2500 | ||
| Switching speeds: | z = 512: ±16 ... ± 6000 rpm z = 1024: ± 8 ... ± 6000 rpm z = 2048: ± 4 ... ± 3500 rpm z = 2500: ± 3 ... ± 2900 rpm | ||
| Response time: | max. 40 ms | ||
| programmed with the provided software | |||
| Version DSL.R | suitable for operation with an external relay module DS 93 R | ||
| Version DSL.E | Version with three internal electronic relays | ||
| HOG 16 M + DSL Download... | |||
Redundant Incremental encoder HOG 16 with integrated Digital Speed Switch |  | Hollow shaft with clamping ring up to d= 50 mm | |
| Supply voltage: | Version DSL.R: +15 ... +30 V DC Version DSL.E: +9 ... +30 V DC | ||
| Permissible encoder temperature | -20 °C ... +85 °C | ||
| Maximum speed (mechanical): | 6000 rpm | ||
| Protection class: | IP 66 | ||
| Weight: | approx. 4 kg | ||
| Square-wave cycles per turn | z = 512; 1024; 2048; 2500 | ||
| Switching speeds: | z = 512: ±16 ... ± 6000 rpm z = 1024: ± 8 ... ± 6000 rpm z = 2048: ± 4 ... ± 3500 rpm z = 2500: ± 3 ... ± 2900 rpm | ||
| Response time: | max. 40 ms | ||
| programmed with the provided software | |||
| Version DSL.R | suitable for operation with an external relay module DS 93 R | ||
| Version DSL.E | Version with three internal electronic relays | ||
| Technical modifications reserved. | |||