Overview
In addition, the ISI222 actively monitors errors through ongoing encoder resolution checks, detecting wiring issues or ESD problems even under challenging environmental conditions. Its compact design, wide input frequency support up to 8 MHz, and IO-Bus synchronization enable optimized performance. Moreover, the module offers robust analog output, digital input, and encoder power supply management, ensuring reliability and efficiency in industrial automation systems.
Specification
| Category | Specification |
|---|---|
| Encoder Interface | 2 channels for incremental and SSI encoders |
| Counter Resolution | 32-bit |
| Input Signals | A-, A+ / B-, B+ / N-, N+ |
| Signal Evaluation | 1-, 2-, 4-edge or pulse direction mode |
| Input Frequency | Max 1 MHz (ISI222), Max 8 MHz (ISI222/8) |
| Synchronization | SYNC / PreSYNC |
| Encoder Supply Voltage | +5 V / +15 V selectable, 24 V looped through |
| Max Current per Encoder | 100–300 mA depending on voltage |
| Wire Break Monitoring | Yes |
| Galvanic Isolation | 500 V |
| Analog Outputs | 2 channels |
| Output Voltage | ±10 V |
| Resolution | 14-bit |
| Output Current | Max ±2 mA |
| Conversion Time | <40 µs |
| Accuracy | 0.025 % at 25 °C, ±0.1 % full temperature range |
| Short-Circuit Proof | Yes |
| Digital Inputs | 4 (2 INIT, 2 TRIG) |
| Input Voltage | 18–34 VDC |
| Input Delay | 30 µs default, filter adjustable |
| Functions | INIT: initiator/strobe trigger; TRIG: strobe trigger |
| Connection Type | Phoenix MINICOMBICON, screw/spring clamp |
| Motor Control Modes | Reference monitoring, conditional counter storage, speed measurement |
| Virtual Signals | Zero pulse, speed, etc. |
| Supply Voltage | 18–34 VDC |
| Operating Temperature | -30 to +60 °C |
| Storage Temperature | -40 to +85 °C |
| Relative Humidity | 5–95 % without condensation |
| Pollution Degree | 2 (IEC 60664-1) |
| Certifications | CE, cULus, CCC; Marine: DNV GL, LR, ABS, BV |
| Mounting | Backplane BS2xx, horizontal/vertical |
| Dimensions & Weight | Compact design for easy integration |
FAQ
A: Yes, the standard ISI222 supports two SSI encoder channels; the ISI222/8 model supports only incremental encoders.
Q: What is the maximum input frequency?
A: The ISI222 supports up to 1 MHz, while the ISI222/8 supports up to 8 MHz.
Q: Can it handle analog outputs?
A: Yes, it provides 2 analog outputs at ±10 V with 14-bit resolution and high accuracy.
Q: What is the operating temperature range?
A: The module operates reliably from -30 °C to +60 °C under standard conditions.
Q: How is the encoder monitored for errors?
A: The module continuously checks encoder resolution and wire integrity to detect wiring or ESD issues.
Manual/Datasheet PDF
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