Temperature
Isolating amplifier without supply type M8731(EK)
Minh Quan Technology Joint Stock Company
Hotline: 01692 114 683
Mr Que: 0973 852 363
Ms Ha: 0165 2197 433
Email: mqtekvietnam@gmail.com
Call usProduct information
- passive isolating 1:1
- range 0…27mA
Specifications
| Type | M8731: Molded plastic, gray, 35mm mounting rail, EN50022-35
M8731EK: 4 x M8731 eurocard, 19″ rack mounting, 100x160mm, 6TE |
| Input | |
| Input current (IE ): | 0…5mA, 0…20mA, 4…20mA, max. 27mA |
| Max. Input current: | 50mA (= thermal limitation) |
| Max. Input voltage(U ): | +20V |
| Max. voltage drop: | 3,7V |
| Output | |
| Current transfer ratio (I : I ): | 1,0 : 1,0 |
| Load: | ≤500Ω |
| transfer gain error: | See diagram Fig. 1, Typ. ±0,1% @ 280W |
| Output ripple: | 0,9% (R =280W, I =20mA, f=3,5kHz) |
| Rise time: | Typ. 75ms |
| Working temperature range | -10 to +60°C (max. ± 0,1%/20mA) |
| Coupling | |
| Internal oscillator: | Typ. 3,5 kHz with MosFet-switches |
| Max. common mode voltage (U ): | 230Veff, V 2500Veff/1minute. |
| Operation principle: | The input current is chopped with 3.5 kHz, transformed from the primary to the secondary by a transformer, rectified and filtered, see block diagram |
| Supply: | None, ~40µA will be drawn out of the primary signal |
| CE Conformity: | fulfilled |
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