83SR07E-E GJR2392700R1210 Control Module
Application
This 83SR07E-E module can be used to implement input and processing module redundancy in the PROCONTROL system. As a supplement to the updated module description for the module 83SR07-E/R1210, this document focuses on the module's redundancy-related features.
Features
Processing is performed in parallel in the on-line and standby units. When a redundancy switchover is effected, this results in a bump less transfer of the processing functions to the standby unit. This bump less changeover is ensured by synchronizing the standby unit with the on-line unit by means of synchronizing telegrams.
Both on-line and standby units are self-monitoring. Any disturbances within the modules are signal led to the appropriate redundancy control module 88TR01 via the SSG line.
All process connections (connectors X21) of the individual modules belonging to a redundant pair are connected in parallel by appropriate wiring in the station.
The input resistors (burdens) are connected in the on-line unit and disconnected in the standby unit. This is also true for the process outputs and for the transducer and contact supplies from the module.
For diagnostic purposes, standby units transmit a sign-of-life telegram on the bus.
Operating states of the module
Structure, address, parameter and limit value lists
For redundant operation, all of the lists contained in the modules (structure, address, parameter and limit value lists) must be identical in the two redundant units. This can be ensured by the user with the aid of the PDDS.
Simulation
When simulating redundant operation, the module signals simulated for the two redundant units must be identical. This is ensured by the PDDS.
Checksum
A checksum for all active lists (structure, address, parameter and limit value lists) in the EEPROM or RAM as well as the module firmware is formed in the module. This checksum can be used to verify that the contents of the lists in the on-line and the standby units are identical. The checksums can be displayed by the PDDS.
Technical Specifications
| Manufacturer |
ABB |
| Part Number |
83SR07E-E |
| Ordering Information |
GJR2392700R1210 |
| Product Catalog |
PROCONTROL P14 |
| Description |
Control Module |
| Voltage |
24 V |
| Current |
145 mA |
| Dimensions |
26.1 cm x 19.8 cm x 2 cm |
| Weight |
0.55 kg |
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