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| Usage: | PLC MODULE |
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TB840A Description:
S800 I/O is a comprehensive, distributed and modular process I/O system that communicates with parent controllers and PLCs over industry-standard field buses. The TB840 ModuleBus Modem is a fiber optic interface to the Optical ModuleBus. TB840A is used in redundancy configurations where each module is connected to different optical ModuleBus lines, but connected to the same electrical ModuleBus.
The ModuleBus Modem has an electrical and an optical Modulebus interface which are logically the same bus. A maximum of 12 I/O modules can be connected to the electrical ModuleBus and up to seven clusters can be connected to the fiber optic ModuleBus. The fiber optic interface is intended for local distribution of I/O clusters and where more than 12 I/O modules are required in an I/O station.
Features and benefits
2 fiber optic ports to optical ModuleBus
ModuleBus (electrical) to the I/O Modules
Supervisory functions of I/O ModuleBus and power supply
Isolated power supply to I/O modules
TU840, MTU for redundant TB840/TB840A, dual ModuleBus
TU841, MTU for redundant TB840/TB840A, single ModuleBus
Input power fused
TU848
The TU848 is a module termination unit (MTU) for redundant configuration of Optical ModuleBus Modem TB840/TB840A.
The MTU is a passive unit having connections for double power supply (one for each modem), double electrical ModuleBus, two TB840/TB840A and a rotary switch for cluster address (1 to 7) setting.
Two mechanical keys are used to configured the MTU for the right types of modules. Each key has six positions, which gives a total number of 36 different configurations. The configurations can be changed with a screwdriver.
Termination unit TU848 has individual power supply connections and connects TB840/TB840A to redundant I/O. Termination unit TU849 has individual power supply connections and connects TB840/TB840A to non-redundant I/O
Features and benefits
• Dual power supply connection
• A rotary switch for cluster address setting
• Mechanical keying prevents insertion of wrong module type
• Redundant ModuleBus
• Latching device to DIN rail for locking and grounding
• DIN rail mounted
Innovative Design: The TB521-ETH features a compact design that ensures easy integration into existing control systems without compromising on functionality.
Enhanced Connectivity: Equipped with advanced communication interfaces, this module supports multiple protocols ensuring compatibility and seamless data exchange with other components in the system.
High Reliability: Designed with stringent quality standards, this terminal base board is built to withstand harsh industrial environments, providing consistent performance over long periods.
Efficient Processing: The high-speed processor ensures rapid execution of control tasks, optimizing system response times and enhancing overall productivity.
User-Friendly: The intuitive interface and comprehensive documentation make it accessible for both experienced engineers and those new to product line, facilitating quick setup and maintenance.
The S800 I/O is distributed as modular I/O that communicates with numerous controllers over Advant Fieldbus 100 (AF100), PROFIBUS-DP, or directly. The S800 I/O provides easy installation of the I/O modules and process cabling. It is highly modularized and flexible so that I/O modules can be combined to suit many applications. The S800 I/O can be mounted in many configurations to fit most requirements. The S800 I/O provides easy installation of the I/O modules and process cabling. It is highly modularized and flexible so that the I/O modules can be combined to suit many applications, including most types of signals, HART and Intrinsic Safety Interface. The S800 I/O modules and a Fieldbus Communication Interface (FCI) are combined to form an I/O Station. The S800 I/O can be used in both single and redundant applications.
In general, all S800 units are G3 compliant. G3 compliant modules withstand more severe environmental conditions according to ISA-S71.04. The following S800 units are G2 compliant - SD821, SD822, SD823, SD831, SD832, SD833, SD834, SS822, SS832, TB811 and CI830. G3 compliant versions of SD822 and SS822 are also available (refer to SD822Z and SS822Z).
All modules are marked with a bar code that shows the serial number, article ID and the product revision number. A separate bar code strip is also enclosed along with the module for placing on the module, if needed. The bar code is of typeBar-code 128.
For more information, refer to S800 I/O Getting Started(3BSE020923*) manual. The S800 I/O can be categorized into:
• Module Termination Units (MTU)
• I/O modules - S800 I/O modules and S800L I/O modules. S800 I/O modules are designed to be used together with a Module Termination Unit.
S800L I/O modules are designed to be directly mounted on a standard DIN rail.
The module also contains terminals for connections
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