Speed Monitor
SAFEONE DN3PD2
The SAFEONE DN3PD2 is a safety switching device for sensorless speed monitoring of three-phase and single-phase motors. Speed is detected by measuring the frequency of the motor's effective rotating field. The module is parameterized using the intuitive GO:BEYOND software and meets the certified performance level e or SIL 3.
Sensorless
Fits every Switch Cabinet
Configurable with Software
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Features
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Device variants
| ID-No. | Measuring voltage | Frequency | Inputs/outputs |
| 34PD10 | 90V to 690V AC | 0,5Hz to 1200Hz | 2 Monitoring outputs |
| 34PD11 | 24V to 120V AC | 0,5Hz to 1200Hz | 2 Monitoring outputs |
| 34PD14 | 90V to 690V AC | 100Hz to 1650Hz | 2 Monitoring outputs |
| 34PD20 | 90V to 690V AC | 0,5Hz to 1200Hz | 2 inputs for operating mode switchover or muting |
| 34PD21 | 24V to 120V AC | 0,5Hz to 1200Hz | 2 inputs for operating mode switchover or muting |
| 34PD24 | 90V to 690V AC | 100Hz to 1650Hz | 2 inputs for operating mode switchover or muting |
Technical Data
| Width | 22,5 mm |
| Switching capacity | up to 5 A |
| In- and Outputs | 2 Relay Outputs (1 Safety Contact) + 2 Diagnostic Outputs or 2 inputs for operating mode switching |
| Connection Terminals | Spring-loaded terminals, screw terminals |
| Certificates | PLe (EN ISO 13849-1), SIL3 (IEC 61508), SIL CL3 (IEC 62061), UL-certified |
| Hardware-Parameterisation | No |
| Software-Parameterisation | Yes |
| Motion Monitoring | no external sensor required |
| Hardware-Diagnosis/LED | Yes |
| Safe Torque OFF (STO) | Yes |
| Safe Operating Stop (SOS) | Yes |
| Safe Speed Range (SSR) | Yes |
| Safe Speed Monitor (SSM) | Yes |
| Safe Limited Speed (SLS) | Yes |
| Safe Maximum Speed (SMS) | Yes |
| Safe Direction (SDR) | No |
| Muting (bypass) | Yes |
General Data
| Duty cycle | 100% |
| Protection | IP20 |
| Protection class Installation site | Switch Cabinet, min. IP54 |
| Installation Site | any |
| Clearance and creepage distances between circuits | according to DIN EN 501788 |
| Rated insulation voltage | 400V AC |
| Rated surge voltage/ insulation | Basic insulation 6kV: between all current paths and enclosures safe isolation, reinforced insulation 8kV: between U, V, W and USB interface between U,V,W and A1, A2, O1,O2 between U, V, W and 13/14, 23/24 |
| Degree of contamination | 2 |
| Overvoltage category | III |
| Housing material/ type | Polyamide PA not reinforced/ ME/ Co. Phoenix Contact |
| Measurements | B x H x T/ 22,5 x 114 x 111mm |
Input Data
| Operating Voltage | 24V DC -15% / +10% |
| Current consumption at 24V DC | typ. 80mA |
| Current consumption U, V, W | 0,35mA at 690V AC |
| Input voltage at U, V, W | 90 V to 690 V AC or 24 V to 120 V AC |
| Cut-off frequency at U, V, W | 0,5 Hz to 1200 Hz or 100 Hz to 1650 Hz |
| Min. PWM | 2kHz |
| Uncertainty of measurement | 1% |
| Switch hysteresis | 10% |
| Power consumption at A1/A2 | typ. 1,9W |
| Status indicator | 2x LED 2-coloured |
| Protection circuit | Overvoltage and reverse polarity protection for operating voltage |
| Digital inputs | 24V DC digital |
Output Data
| Relay Outputs | |
| Contact design |  |
| Contact Material | AgSnO2 |
| Switch Voltage | 24V DC / 230 V AC |
| Minimum switching current | 10mA |
| Mechanical Lifetime | 10^7 Switch Cycles |
| Response time | Number of measuring cycles x (period duration (reciprocal of frequency) + max. 2ms evaluation time) + max. 10ms relay response time |
| Output fuse | 6A gL/gG |
| Switching capacity according to IEC 60947-5-1 | AC15: 5A/230V, DC13: 4A/24V |
Message Outputs
| Number of Outputs | 2 (non-safety-related, digital outputs O1, O2) |
| Power | ≤ 100mA, short-circuit and overload protected |
| Voltage | UB - 1V |
Block Diagram
Sample Application
