Brand: ESPE
Model: SSR21 series
Product Feature:
1. Self-diagnose and cross-diagnose: Periodic dual mutual-diagnose to improve safety;
2. Independent redundant dual output: In case potential safety hazards caused by single loop failure.
SSR21 Contactless Safety Door Switch
Product Details
Parameter of safety door switch
| Standard | ISO13849-1 IEC/EN60947-5-3 |
| Power supply | DC24V±15% |
| Capacity | <1W |
| Response time | 50ms |
| Output current | 150mA |
| Safety output(OSSD) | PNP or NPN (transistor output)Load current below 200mA, residual voltage below 1V(except voltage drop caused by cable extension), leakage current below 1mA |
| Frequency | 1Hz |
| Protective circuit | Overvoltage protection, power supply reverse polarity protection, and overcurrent protection |
| Encoding type | Universal encoding, unique encoding |
| Detection range: | Horizontal: 0-10mm, vertical: 0-5mm |
| Protection rate | IP65 |
| Housing setectional size | 36*23mm |
| Vibration | Frequency 10 Hz - 55 Hz, amplitude 0.35±0.05mm, 20 times each at X, Y, Z directions |
| Ambient working temperature | -10°C-55°C (no freezing) |
| Storage temperature | -30°C-70°C (no freezing) |
| Working humity | When temperature 20°C, humidity max 85% |
Product Size
Model selection (eg.: SSR21-00N-1)
| Explanation of standard type and advanced type | ||
| Safety output | Cascade function | |
| Basic mode | ● | |
| Standard mode | ● | ● |
Indicator status
| Switch Status | Indicator |
| Output error | Red 1Hz blink |
| Voltage error | Red double blink |
| Unique code unmatched | Red & green light blink alternately at 4Hz |
| No error, no RFID, no output | Red ON |
| No error, with RFID, no cascade | Green 1Hz blink |
| No error, with RFID, cascade signal error | Green double blink |
| No error, normal output | Green ON |
Timing Chart
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| NPN timing chart | PNP timing chart |
