Power Supply Voltage: 24VDC (+20% / -15%)
Communication Rate: Supports multiple communication rates. For example, the Ethernet communication rate is 10/100Mbit/s.
Supported Protocols: Modbus TCP, Profinet IO, Ethernet/IP, DriveBus protocol, etc. The DriveBus protocol is used for communication with ABB drives and ABB special I/O units.
Connection Method: An RJ45 socket is used for Ethernet connection, etc.
Dimensions: Width 59 mm, Height 185 mm, Depth 127.5 mm.
Weight: Approximately 700 grams (including the base).
Related to CEX Bus: Communication between CI858 and AC 800M is carried out through the CEX bus. The working clock frequency of the CEX bus is 64MHz, and the maximum transmitted data is approximately 1.25 megabytes per second.
Processor: Motorola digital signal processor DSP56303 is adopted, and the CPU frequency is 72MHz.
Storage: 32kB boot PROM (AT27LV256) is used for the boot code, 1MB flash PROM (Am29DL800B) is used for the program code, and 768kB SRAM is for program and data memory.
Related to I/O: The dedicated I/O channels of CI858 can be connected to up to 12 I/Os for each unit. The I/O channels can transmit 2 data set pairs per 1 millisecond. The I/O units are connected in a ring topology, and various I/O units such as NAIO-03, NBIO-21, and NBIO-31 are supported.
Number of Connectable Devices: One CI858 can be connected to up to 24 ABB frequency converters at most, and one AC 800M controller can be connected to up to two CI858s.
Hot Swap Support: DriveBus supports hot swapping.
Environment and Certification: The operating temperature is 55 degrees Celsius, the protection level is IP20, and it complies with CE marking, RoHS compliance (Directive 2011/65/EU), WEEE compliance (Directive 2012/19/EU), etc. It also has naval certificates such as ABS, BV, DNV – GL, and LR.
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