وصف

ABB CI858 DriveBus Communication Interface

Configured for DriveBus communication between ABB Drives, ABB Special I/O units, and an AC 800M controller, the ABB CI858 (CI858 DriveBus Communication Interface) provides the controller-side interface for ABB DriveBus networks. The interface operates as a DriveBus master at 8 Mbit/s and receives its power through the CEX-Bus from the processor unit.

Hardware Specifications

Parameter	Specification
Model	CI858
Product ID	3BSE018135R1
Brand	ABB
Product Type	DriveBus Communication Interface
Communication Protocol	ABB DriveBus
Master or Slave	Master
Transmission Speed	8 Mbit/s
Line Redundancy	No
Module Redundancy	No
Hot Swap	Yes
Used Together with HI Controller	No
Maximum Units on CEX-Bus	2
Connector	Optical
Power Supply	Via CEX-Bus from processor unit
24 V Consumption, Typical	200 mA
Operating Temperature	0 to +55 deg C
Storage Temperature	-40 to +70 deg C
Corrosion Protection	G3 compliant to ISA 71.04
Protection Class	IP20 according to EN60529, IEC 529
CE Marking	Yes
Marine Certificates	ABS, BV, DNV-GL, LR
RoHS Compliance	EU RoHS, UAE RoHS, CN RoHS
WEEE Compliance	Directive 2012/19/EU
Width	59 mm
Height	185 mm
Depth	127.5 mm
Weight Including Base	700 g

DriveBus Communication Characteristics

The CI858 provides the DriveBus communication path between an AC 800M controller and compatible ABB Drives and ABB Special I/O units. The interface operates as the network master and supports an 8 Mbit/s transmission rate.

ABB designed DriveBus for sectional drive applications, including ABB rolling mill drive systems and paper machine control systems. Therefore, the CI858 handles the controller-side communication interface without requiring a separate external power source.

The CI858 receives operating power through the CEX-Bus from the processor unit. Its typical 24 V consumption is 200 mA. The interface supports hot swap, while the specified configuration provides no line redundancy or module redundancy.

The optical connector provides the physical DriveBus connection. The CEX-Bus supports a maximum of two CI858 units according to the supplied technical data.

Industrial Control and Drive Interface

The CI858 belongs to the ABB AC 800M communication interface architecture and uses the CEX-Bus for internal controller communication. Consequently, installation must maintain the required CEX-Bus connection between the processor unit and communication interface.

For DriveBus applications, the communication interface should be configured according to the connected ABB Drive system and controller application. The supplied data specifies DriveBus at 8 Mbit/s and identifies the CI858 as the master device.

This interface does not use an external power supply. Instead, the processor unit supplies the CI858 through the CEX-Bus, while the optical connector provides the external communication path.

Frequently Asked Questions (FAQ)

Q: Does the CI858 require an external power supply?
A: No. The CI858 receives power from the AC 800M processor unit through the CEX-Bus. The typical 24 V consumption is 200 mA.

Q: What communication protocol and transmission speed does the CI858 use?
A: The CI858 uses ABB DriveBus and operates at a specified transmission speed of 8 Mbit/s.

Q: Does the CI858 support hot swap and redundant operation?
A: The CI858 supports hot swap. The supplied specifications state that neither line redundancy nor module redundancy is provided.

Field Installation Guidelines

• Install the CI858 within the specified operating temperature range of 0 to +55 deg C.
• Maintain the IP20 installation environment and provide suitable enclosure protection for the complete control assembly.
• Connect the CI858 to the AC 800M CEX-Bus according to the controller hardware configuration.
• Do not add an external power supply to the CI858 when using the specified CEX-Bus power arrangement.
• Connect the optical DriveBus interface using compatible optical cabling and approved connectors.
• Route communication cabling separately from high-current power conductors where practical to reduce electromagnetic interference.
• Maintain proper cabinet grounding and bonding for the controller enclosure and associated drive equipment.
• Verify the DriveBus master configuration before placing connected ABB Drives or Special I/O units into operation.
• Confirm the CEX-Bus configuration when installing more than one CI858, as the supplied specification permits a maximum of two units on the CEX-Bus.
• Observe the specified storage range of -40 to +70 deg C when storing the module before installation.

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