CI521 vs CI522 Comparison
Detailed side-by-side comparison of CI521 by ABB and CI522 by NI. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | CI521 | CI522 |
|---|---|---|
| Brand | ABB | NI |
| Category | Interface ICs | RF Transceivers |
| Lifecycle Status | Unknown | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $0.18 |
| Product Type | Modbus TCP interface module | — |
| Product Variant | CI521-MODTCP | — |
| Communication Interface | Modbus TCP server | — |
| Platform Compatibility | ABB AC500 and S500 distributed I/O | — |
| Analog Input Count | 4 channels | — |
| Analog Input Signal Types | U, I, RTD | — |
| Analog Output Count | 2 channels | — |
| Analog Output Signal Types | U, I | — |
| Digital Input Count | 8 channels | — |
| Digital Input Voltage | 24 VDC | — |
| Digital Output Count | 8 channels | — |
| Digital Output Voltage | 24 VDC | — |
| Digital Output Current | 0.5 A | — |
| Maximum Extension | Up to 10 I/O modules | — |
| Terminal Unit | TU507-ETH or TU508-ETH | — |
| Package Dimensions | [DATA_NEEDED: package dimensions] | — |
| Operating Temperature | [DATA_NEEDED: operating temperature] | [DATA_NEEDED: operating temperature range] |
| Supply Voltage | [DATA_NEEDED: process supply voltage] | 2.3 V to 4 V |
| Power Consumption | [DATA_NEEDED: power consumption] | — |
| Ethernet Connector | [DATA_NEEDED: Ethernet connector details] | — |
| Isolation | [DATA_NEEDED: channel and bus isolation] | — |
| Lifecycle Status | [DATA_NEEDED: lifecycle status] | — |
| Manufacturer | — | Nanjing Zhongke Microelectronics |
| Function | — | 13.56 MHz contactless reader/writer IC |
| Supported Protocol | — | ISO/IEC 14443 Type A |
| Operating Frequency | — | 13.56 MHz |
| Maximum Data Rate | — | 848 Kbit/s |
| Host Interface | — | SPI |
| Built-in Antenna Driver | — | Yes |
| Hardware Data Verification | — | CRC and parity, on-chip |
| Low-Power Wake-up | — | Yes (configurable polling) |
| Package | — | QFN-16-EP (3x3 mm) |
| Mounting Type | — | Surface Mount |
| MSL Level | — | [DATA_NEEDED: MSL rating] |
| RoHS Status | — | Compliant (per JLCPCB listing) |