SR335 (Utgången)
Alarm Unit with Pt100 Input and Double Relay Outputs
SR335 is designed for industrial temperature monitoring with Pt100 sensors
in 2- or 3-wire connection.
Two output relays with individually adjustable trip functions are available.
LED’s in the front indicate alarm state and correct power supply.
- Input from Pt100 sensors in 2- or 3-wire connection
- Selectable, pre-calibrated temperature ranges
- Two relay outputs with independent switch functions
- Monostable relays for safe tripping at power failure
- SPDT relays with 6 A switch capacity
- High configuration flexibility with DIP switches
- Trip levels and hysteresis adjustable from the front
- Three front LED’s for trip indication and power supply monitoring
- 4 kV isolation between input, output and power supply
- Protective Separation acc. to EN 50178
- Universal 24 V AC and DC power supply
- DIN-rail mounting
Teknisk specifikation
Technical Specification
Input | |
Sensor | Pt100, Pt200, Pt500 and Pt1000 (switch selectable) |
Measuring range | Zero: -100 / -50 / 0 / +50 °C (switch selectable) Span: 100 / 200 / 300 / 400°C (switch selectable) |
Sensor connection | 2-wire and 3-wire (switch selectable) |
Output, Relay 1 & 2 | |
Relay contacts | 1-pole switch over contact (SPDT) |
Contact rating | 250 VAC/DC, 6 A, 1 500 VA |
Relay function | Monostable, Normally active or passive (switch selectable) |
Alarm functions, relay 1 | High/Low alarm (switch selectable) |
Alarm functions, relay 2 | High/Low alarm or Power failure alarm (switch selectable) |
Alarm indication | Alarm state indicated by yellow LED |
Svarstid | Ca. 20 ms (fast) |
Operation temperature | -20 to +60 °C / -4 to +140 °F |
Galvanic isolation | |
Input / power supply / relay outputs | 4 kVAC, 1 min |
Relay 1 / Relay 2 | 2,5 kVAC, 1 min |
Power supply | |
Voltage | 24 VAC/DC ±15 %, 48 to 62 Hz (AC supply) |
Power consumption | AC: ca. 2 VA, DC: ca. 1 W |
Typical accuracy | Trip point: ±0.2 % of span |
Mounting | Rail acc. to DIN EN 50022, 35 mm |
Begär offert
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