Turck 
Turck
Rotation speed monitor 1-channel
SKU: 7505650 Type: IM21-14-CDTRI
Available 3–5 business days delivery
€468.50 / pieces
€557.52 incl. VAT
Features
- • Monitoring of limit values and ranges according to over/underrange
- • Operating range 0.06 … 600000 min-1
- • Connection of sensors acc. to EN 60947-5-6 (NAMUR), 3-wire sensors and external power supplies
- • Pulse output
- • Parameterized via PC (FDT/DTM), frontpanel switch and HART
- • Ring buffer for up to 8000 measured values
- • Display
- • Complete galvanic isolation
- • Input reverse-polarity protected
- • TR CU
Output circuits
| Switching current per output | ≤ 2 A |
| Output current | 0 /4...20 mA |
| Fault current | 0 / 22 mA adjustable |
| Switching capacity per output | ≤ 500 VA/60 W |
| Switching frequency | up to 10 Hz |
| Load resistance current output | ≤ 0.6 kΩ |
| Output circuits | 2 x relays (NO) |
| Output switching voltage relay | ≤ 30 VDC / ≤ 250 VAC |
Semiconductor output circuits
| Switching current per output | ≤ 0.05 A |
| Voltage drop | ≤ 2.5 V |
| Switching frequency | up to 10000 Hz |
| Output circuits | 1 x transistor (potential-free, short-circuit proof) |
| Switching voltage | up to 30 V |
NAMUR input
| Wire breakage threshold | ≤ 0.06 mA |
| Switch-on threshold | 1.75 mA |
| Short-circuit current | 8.2 mA |
| Input resistance | 1 kΩ |
| Switch-off threshold | 1.55 mA |
| Short-circuit threshold | ≥ 6.4 mA |
| No-load voltage | 8.2 VDC |
| NAMUR | EN 60947-5-6 |
| Line Resistance | ≤ 50 Ω |
Displays/Operating elements
| Operational readiness | Green |
| Error indication | red |
| Pulse input | Yellow |
Allgemein
| Monitoring range/Setting range | 0.06…600,000 rpm |
| Nominal voltage | Universal voltage supply unit |
| pulse stop | ≥ 0.02 ms |
| Operating voltage | 20…250 VAC |
| Frequency | from 40 to 70 Hz |
| Max. input frequency | 600000 min-1 |
| Pulse time | ≥ 0.02 ms |
| Operating voltage UB | from 20 to 250 VDC |
| Power consumption | up to 3 VA |
Galvanic separation
| Test voltage | 2.5 kV RMS |
3-wire input
| 1-signal | 5...30 VDC |
| Input resistance | 600 Ω |
| 0-signal | 0...3VDC |
| No-load voltage | 12 VDC |
| Current | ≤ 20 mA |
External signal source
| 1-signal | 5…30 VDC |
| Input resistance | 26000 Ω |
| 0-signal | 0…3 VDC |
Mechanical data
| Elektrischer Anschluss | 4 × 5-pin removable terminal blocks, reverse polarity |
| Elektrischer Anschluss | protected, screw terminal |
| Ambient temperature | from -25 to 70 °C |
| Weight | 248 g |
| Terminal cross-section | 1 × 2.5 mm²/2 × 1.5 mm² |
| Storage temperature | from -40 to 80 °C |
| Flammability class acc. to UL 94 | V-0 |
| Tightening torque | 0.5 Nm |
| Housing material | Plastic, Polycarbonate/ABS |
| Mounting instructions | DIN rail (NS35) or panel |
| Degree of protection (IP) | IP20 |
| Abmessung | 104 x 27 x 110 mm |
Response characteristic
| Reference temperature | 23 °C |
| Temperature drift analog output | 0.0025 %/K |
| Measurement accuracy | ≤ 0.05 % of full scale |
Feed-forward pulse output
| Current | ≤ 10 mA |
| Voltage | ≤ 30 V |