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R. Stahl 9146/10-11-12 single-channel Ex i frequency transmitter, NAMUR input to 0/4-20 mA output with 2 limit contacts and pulse output, 24 V DC, DIN rail.
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| MFR / Brand | Stahl |
|---|---|
| MPN | 9146/10-11-12 |
| Model | 9146/10-11-12 |
| Type | Frequency Transmitter |
|---|---|
| Additional Attributes | Channels: 1; Input: NAMUR EN 60947-5-6, 0.001-20,000 Hz; Output: 0/4-20 mA, load 0-600 ohm; Limit contacts: 2 NO electronic 30 V / 50 mA; Pulse output: 0-5 kHz, 1:1 to 1:20,000; Power: 24 V DC, 55 mA, 1.32 W; Enclosure: IP30; Width: 17.6 mm; Ambient: -40 to +70 C; ATEX II 3 (1) G Ex nAc nCc [ia] IIC T4 |
| Item Weight | 160 g (0.35 lb) |
| Base Number | 9146 |
| Industry Terms | Ex i isolator; intrinsically safe barrier; frequency to current converter; speed monitor; NAMUR isolator; IS interface |
| Common Misspellings | Stal 9146; R.Stahl 9146 10 11 12; 9146/10-11-21; frequency transmiter |
| Application Types | Speed monitoring of fans, centrifuges, blades and stirrers in hazardous areas; oil and gas; chemical plant; marine |
| Mpn Variants | 9146/10-11-12; 9146101112; 9146-10-11-12; 9146/10-11-12s; 9146/10-11-12k |
| Compatible With Replaces | Current order codes 9146/10-11-12s (screw terminals) and 9146/10-11-12k (spring clamp terminals) |
| Series | 9146 |
| Nominal Rated Input Voltage | 24 V DC (18 to 31.2 V) |
| Mounting Type | DIN rail NS35 or pac-Carrier |
The R. Stahl 9146/10-11-12 is a single-channel frequency transmitter from the ISpac Series 9146 Ex i isolators. It converts an intrinsically safe binary input from a hazardous-area sensor into a 0/4–20 mA signal proportional to frequency, with two limit value contacts and a pulse output. Typical duty is speed monitoring of fans, centrifuges, blades and stirrers in hazardous areas.
9146 — R. Stahl Series 9146 frequency transmitter, Ex i field circuit.
10-11-12 — the 1-channel version with 0/4–20 mA output, 2 NO/NC limit value contacts and one selectable NO impulse output.
Channels: 1. Input Signal: NAMUR per EN 60947-5-6. Input Frequency: 0.001 to 20,000 Hz. Output Signal: 0/4 to 20 mA, configurable. Connectable Load: 0 to 600 Ω. Limit Value Contacts: 2 NO (electronic), ±30 V, 50 mA. Pulse Output: 0 to 5 kHz, dividing ratio 1:1 to 1:20,000. Auxiliary Power: 24 V DC nominal, 18 to 31.2 V range. Nominal Current: 55 mA. Power Consumption: 1.32 W. Accuracy: 0.1 % typical. Parameterisation: ISpac Wizard software.
Explosion Protection: ATEX II 3 (1) G Ex nAc nCc [ia] IIC T4; II (1) D [Ex ia] IIIC; IECEx Ex nA nC [ia Ga] IIC T4 Gc. Installation: Zone 2, Division 2 and safe area, with the Ex i field circuit reaching Zone 0 and Division 1.
Mounting: DIN rail NS35/15 or NS35/7.5, or pac-Carrier. Width: 17.6 mm. Enclosure: IP30, PA 6.6. Terminals: IP20. Ambient Temperature: -40 to +70 °C single device; -20 to +60 °C group assembly. Item Weight: approx. 160 g.
Current order codes add a terminal suffix: 9146/10-11-12s for screw terminals, 9146/10-11-12k for spring clamp terminals. The 2-channel 9146/20-11-11 has no limit contacts or pulse output.
A NAMUR input per EN 60947-5-6, 0.001 to 20,000 Hz.
A 0/4 to 20 mA analog output into 0 to 600 Ω, two electronic NO limit contacts and a 0 to 5 kHz pulse output.
24 V DC nominal, 18 to 31.2 V range, 55 mA nominal current.
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