ABB TB840 3BSE021456R1 Modulebus Cluster Modem

FAQ

Q1: What is the primary function of the TB840 module?
A1: The TB840 is an optical ModuleBus modem designed for redundant configurations to connect I/O clusters within the S800 I/O system.

Q2: What type of communication does the TB840 support?
A2: It supports redundant optical ModuleBus communication between I/O clusters.

Q3: What is the required power supply for the TB840?
A3: It operates on 24 V DC with an acceptable input range of 19.2 to 30 V.

Q4: Does the TB840 provide electrical isolation?
A4: Yes, the module provides a rated electrical isolation voltage of 50 V.

Q5: How is the TB840 installed?
A5: The TB840 is mounted on a DIN rail, suitable for industrial control cabinets.

Q6: What is the operating temperature range of the TB840?
A6: It operates within a temperature range of -25°C to +55°C.

Q7: Is the TB840 suitable for hazardous areas?
A7: The TB840 is not specifically designed for hazardous areas; if used in such environments, appropriate protective enclosures are required.

Q8: Are there distance limitations for TB840 fiber connections?
A8: Yes. With plastic fiber, the maximum distance is 15 meters; with HCS glass fiber, it’s up to 200 meters. When using an optical media converter, the distance can extend up to 1000 meters.

3BSE021456R1 ABB Modulebus Cluster Modem TB840

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