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Specification & Description
| Specification | Description |
|---|---|
| Part Number | IM1-22EX-R |
| Manufacturer | Turck |
| Part Category | Isolating Switching Amplifier |
| Voltage Range | 20 to 250 V AC |
| Frequency | 40 to 70 Hz |
| DC Voltage Range | 20 to 125 V DC |
| Power Consumption | ≤ 3 W |
| Typical Power Loss | ≤ 0.98 W |
| Input Type | NAMUR (EN 60947-5-6) |
| Input Monitoring | Selectable ON/OFF mode for wire-break and short-circuit monitoring |
| Input Voltage | 8.2 V DC |
| Input Current | 8.2 mA |
| Input Resistance | 1 kΩ |
| Output Type | 2 x Relay (Normally Open) |
| Switching Voltage | ≤ 30 V DC / ≤ 250 V AC |
| Switching Current | ≤ 2 A |
| Switching Power | ≤ 500 VA / 60 W |
| Switching Frequency | ≤ 10 Hz |
| Galvanic Isolation | 2.5 kV RMS |
| Ambient Temperature Range | -25 to +70 °C |
| Storage Temperature Range | -40 to +80 °C |
| Dimensions | 104 x 18 x 110 mm |
| Weight | 173 g |
| Mounting | DIN rail (NS35) or mounting plate |
| Housing Material | Polycarbonate/ABS |
| Electrical Connection | 4 x 3-pole removable terminal blocks, screw connection |
| Connection Cross-Section | 1 x 2.5 mm² / 2 x 1.5 mm² |
| Tightening Torque | 0.5 Nm |
| Certifications | ATEX, IECEx, UL, FM, TIIS |
| SIL Rating | SIL 2 according to IEC 61508 |
| Application | Suitable for use in explosion hazardous areas and safety-related systems |
| Special Features | Adjustable signal flow (NO/NC mode), removable terminal blocks, universal voltage supply unit |
The Turck IM1-22EX-R is a high-performance isolating switching amplifier designed to meet the rigorous demands of industrial applications. This versatile device is engineered for functional safety in accordance with IEC 61508 standards, ensuring reliable operation in hazardous environments. It features a wide operating voltage range from 20 to 250 V AC, making it suitable for various power systems.
The IM1-22EX-R is equipped with intrinsically safe input circuits, allowing for the connection of sensors compliant with EN 60947-5-6 (NAMUR) or mechanical contacts. This two-channel amplifier offers programmable action modes for each channel, providing flexibility in configuring the device to meet specific application requirements. The output circuits include two relay contacts, each with a normally open (N.O.) configuration, ensuring robust signal transmission.
Key features of the Turck IM1-22EX-R include galvanic isolation for safe signal transmission, LED indicators for power and switching status, and the ability to monitor input circuits for wire breaks and short circuits. The device is housed in a durable polycarbonate/ABS enclosure, designed for easy DIN rail or mounting plate installation. With its comprehensive certifications, including ATEX and IECEx, the IM1-22EX-R is an ideal choice for use in explosive atmospheres and other challenging industrial settings.
Commonly Asked Questions
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Frequently Asked Questions
What is the primary function of this device?
The primary function of this device is to act as an isolating switching amplifier for functional safety according to IEC 61508.
What voltage range does this device support?
This device supports a voltage range of 20 to 250 V AC.
Is this device suitable for use in hazardous areas?
Yes, this device is suitable for use in hazardous areas and complies with ATEX specifications.
What type of outputs does this device provide?
This device provides two relay outputs.
What is the operating temperature range for this device?
The operating temperature range for this device is -25 to +60°C.
What safety standards does this device comply with?
This device complies with IEC 61508 for functional safety.
What is the Safe Failure Fraction (SFF) of this device?
The Safe Failure Fraction (SFF) of this device is 73.15%.
What is the Mean Time Between Failures (MTBF) for this device?
The Mean Time Between Failures (MTBF) for this device is approximately 272 years.
Can this device be used in both gas and dust hazardous environments?
Yes, this device is certified for use in both gas (Ex ia IIC) and dust (Ex ia IIIC) hazardous environments.
What is the maximum current output of this device?
The maximum current output of this device is 21.4 mA.
