Safety Speed Monitors

Safety Speed Monitors are used in applications where there is a high safety risk to people and machinery. It is necessary and required by law to fulfill certain safety criteria to reduce injury in these situations. The DS series Safety Speed Monitors are specifically designed for these industrial applications. These safety speed monitors are used to monitor underfrequencies, overfrequencies, direction of rotation and machine standstill. SIL3/PLe and SIL2/PLd certifications according to the DIN 61508 and ISO 13849 are standard on these safety speed monitors and the safety relays ensure maximum safety and plant availability.

Certified Safety Monitors with SinCos Encoder and Signal Splitter DS240

Safety Speed Monitor DS240

Short description on DS240:

The DS240 Safety Motion Monitors for SinCos sensors are suitable for safety-related monitor tasks, for example direction of rotation, standstill, overspeed and underspeed.

Safety functions equivalent to EN 61800-5-2 (SS1, SS2, SOS, SLS, SDl, SSM, SLI, SBC, STO, SMS)
1 encoder input with format SIN+, SIN-, COS+, COS- [1 Vss]
2 control inputs [HTL / PNP]
Input frequency up to 500 kHz
Forced-guided redundant output relay (NO)
4 control outputs with push-pull characteristic, short-circuit-proof, [HTL], each inverse and redundant
Safety related 14 bit analog output for 4 ... 20 mA (scalable)

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Safety Speed Monitor for Incremental Encoders / Sensors DS260:

Safety Speed Monitor DS260

Short description on DS260:

These Safety Speed Monitors for incremental encoders / sensors are used to monitor ramp, underspeed, overspeed, standstill and direction of rotation, with cable break monitoring of the sensor signals. Up to SIL3/PLe with one equally certified sensor.

Safety functions equivalent to EN 61800-5-2 (SS1, SS2, SOS, SLS, SDl, SSM, SLI, SBC, STO, SMS)
1 incremental encoder input with format A, /A, B, /B, Z, /Z [HTL differencial, RS422]
8 control inputs [HTL / PNP]
Input frequency up to 500 kHz
2 relay outputs 5... 250 VAC / VDC (NO)
4 x 2 control outputs with push-pull characteristic, short-circuit-proof, [HTL], antivalent or equivalent redundant or simply used
Safety related 14 bit analog output for 4 ... 20 mA (scalable)

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Safety Speed Monitor for Incremental Encoders / Sensors DS250

Safety Speed Monitor DS250

Short description on DS250:

The DS250 Safety Speed Monitor achieves SIL3/PLe safety standards with two non-certified sensors. It has two incremental inputs (HTL differential, HTL single ended, RS422), a signal distributor and a line break monitor.

SIL3 and PLe certification
Safety functions equivalent to EN 61800-5-2 (SS1, SS2, SOS, SLS, SDl, SSM, SLI, SBC, STO, SMS)
2 incremental encoder inputs with format A, /A, B, /B, Z, /Z [HTL differencial, HTL single ended, RS422]
8 control inputs [HTL / PNP]
Input frequency up to 500 kHz
2 relay outputs 5... 250 VAC / VDC (NO)
4 x 2 control outputs with push-pull characteristic, short-circuit-proof, [HTL], antivalent or equivalent redundant or simply used
Safety related 14 bit analog output for 4 ... 20 mA (scalable)
Signal splitter
Power supply 18 ... 30 V
Wire monitoring of the sensor signals
Compact housing for 35 mm mounting top hat rail (according to EN 60715)
USB interface in combination with the user interface OS6.0 for the parameterization of the safety speed monitor
BG200 operator panel for easy parameterization and display (optional)

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Plug-in Display BG200

Short description on BG200:

The BG200 clip-on display is an optional accessory and is compatible with all DS Safety Speed Monitor models. The BG200 clip-on display is used for visualization and diagnostic purposes when there is no PC available. The BG200 can also be used to parameterize the speed monitors. Once the parameters have been saved, it can simply be transferred from one speed monitor to another speed monitor.

SIndividual scalable process or speed indicator
Dual channel frequency indicator for visualization of the encoder frequency
Display of alarm and error codes
Touch screen with intuitive menu guidance
1.54" OLED Display (128 x 64 Pixel)
Dimension: 50 x 80 x 15 mm (1,97 x 3,15 x 0,59")

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Certified Safety Monitors with SinCos Encoder without Signal Splitter DS246

Safety Speed Monitor DS246

Short description on DS246:

The 246 series Safety Speed Monitor is designed to be connected to a SIL3/PLe certified sine / cosine encoder or sensor. The DS246 Safety Speed Monitor is equipped with a relay, 4 transistor outputs and an analog output, but has no signal distributor when compared to the DS240.

SIL3 and PLe certification
Safety functions equivalent to EN 61800-5-2 (SS1, SS2, SOS, SLS, SDl, SSM, SLI, SBC, STO, SMS)
2 encoder input with format SIN+, SIN-, COS+, COS- [1 Vss]
2 pulse inputs with format A, /A, B, /B [RS422]
2 pulse- or control inputs with format A, B, 90° [HTL / PNP] (for rotary encoder, proximity switches or commands)
Input frequency up to 500 kHz
Forced-guided redundant output relay (NO)
4 control outputs with push-pull characteristic, short-circuit-proof, [HTL], each inverse and redundant
Safety related 14 bit analog output for 4 ... 20 mA (scalable)
Power supply 18 ... 30 V
Compact housing for 35 mm mounting top hat rail (according to EN 60715)
Setup via USB port by operator software or plug-in display and programming unit BG230

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Certified Safety Monitor with Multifunctional Inputs for HTL-, RS422-, SinCos-Sensors and Signal Splitter DS230

Safety Speed Monitor DS230

Short description on DS230:

The DS230 Safety Speed Monitor is suitable for connecting incremental sensors with RS422 output (differential signals A, / A, B, / B), single-track HTL encoders and sine-cosine encoders. It is equipped with a relay, 4 transistor outputs and one analog output, and a signal distributor.

Safety functions equivalent to EN 61800-5-2 (SS1, SS2, SOS, SLS, SDl, SSM, SLI, SBC, STO, SMS)
2 encoder inputs with format SIN+, SIN-, COS+, COS- [1 Vss]
2 pulse inputs with format A, /A, B, /B [RS422]
2 pulse- or control inputs with format A, B, 90° [HTL / PNP] (for rotary encoder, proximity switches or commands)
Input frequency up to 500 kHz
Forced-guided redundant output relay (NO)
4 control outputs with push-pull characteristic, short-circuit-proof, [HTL], each inverse and redundant
Safety related 14 bit analog output for 4 ... 20 mA (scalable)

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Certified Safety Monitor with Multifunctional Inputs for HTL-, RS422- and SinCos-Sensors, without Signal Splitter DS236

Safety Speed Monitor DS236

Short description on DS236:

The DS236 Safety Speed Monitor is suitable for connecting incremental sensors with RS422 output (differential signals A, / A, B, / B), single-track HTL encoders and sine-cosine encoders. The DS236 is equipped with a relay, 4 transistor outputs and one analog output, but it does not have a signal distributor unlike the DS230.

SIL3 and PLe certification
Safety functions equivalent to EN 61800-5-2 (SS1, SS2, SOS, SLS, SDl, SSM, SLI, SBC, STO, SMS)
2 encoder inputs with format SIN+, SIN-, COS+, COS- [1 Vss]
2 pulse inputs with format A, /A, B, /B [RS422]
2 pulse- or control inputs with format A, B, 90° [HTL / PNP] (for rotary encoder, proximity switches or commands)
Input frequency up to 500 kHz
Forced-guided redundant output relay (NO)
4 control outputs with push-pull characteristic, short-circuit-proof, [HTL], each inverse and redundant
Safety related 14 bit analog output for 4 ... 20 mA (scalable)
Power supply 18 ... 30 V
Compact housing for 35 mm mounting top hat rail (according to EN 60715)
Setup via USB port by operator software or plug-in display and programming unit BG230 (accessories)

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