SIMOREG DC MASTER naturally also feature the unique characteristic of Siemens products: TIA – Totally Integrated Automation. You profit from the totallly integrated Siemens world during project engineering and programming as well as with the common database and system-wide communication.
SIMOREG 6RA70 converters are fully digital, compact units for connection to a three-phase AC supply. They in turn supply the armature and field of variable-speed DC drives. The range of rated DC currents extends from 15 A to 3000 A, but can be expanded by connecting SIMOREG converters in parallel.
Converters for single-quadrant or four quadrant operation are available to suit individual applications. As the converters feature an integrated parameterization panel, they are autonomous and do not require any additional parameterization equipment. All open-loop and closed-loop control tasks as well as monitoring and auxiliary functions are performed by a microprocessor system. Setpoints and actual values can be applied in either analog or digital form.
SIMOREG 6RA70 converters are characterized by their compact, space-saving design. An electronics box containing the closed-loop control board is mounted in the converter door. This box also has space to hold additional boards for process-related expansion functions and serial interfaces. This design makes them especially easy to service since individual components are easily accessible.
External signals (binary inputs/output), analog inputs/outputs, pulse encoders, etc.) are connected by way of plug-in terminals. The converter software is stored in a flash EPROM. Software upgrades can easily be loaded via the serial interface of the basic unit.
The armature circuit is a three-phase bridge connection:
As two fully controlled (B6) A (B6) C three-phase connections in converters for four-quadrant drives.
The field circuit is a half-controlled B2HZ single-phase bridge connection.
For converters with 15 to 1200 A
rated DC current, the power section for armature and field is constructed with isolated thyristor modules. The heat sink is therefore at floating potential.
For converters with rated currents ≥ 1500 A, the power section for armature and field is constructed with disc-type thyristors and heat sinks at voltage potential. All connecting terminals for the power section are accessible from the front.
Converters with rated DC currents up to 125 A are self-cooled, while converters with rated DC currents of 210 A and higher have forced-air cooling (fan assembly).
PMU simple operator panel
All units feature a PMU panel mounted in the converter door. The PMU consists of a five-digit, seven-segment display, three LEDs as status indicators and three parameterization keys.
The PMU is also equipped with connector X300 with a USS interface in compliance with the RS232 or RS485 standard.
The panel provides all the facilities required during start-up for making adjustments or settings and displaying measured values. The following functions are assigned to the three panel keys:
The quantities output on the five-digit, seven-segment display are easy to understand, e.g..
OP1S Operator Panel
The OP1S optional converter operator panel can be mounted either in the converter door or externally, e.g. in the cubicle door. For this purpose, it can be connected up by means of a 5 m long cable. Cables of up to 200 m in length can be used if a separate 5 V supply is available. The OP1S is connected to the SIMOREG via connector X300.
The OP1S can be installed as an economic alternative to control cubicle measuring instruments which display physical measured quantities.
The OP1S features an LCD with 4 x 16 characters for displaying parameter names in plain text. English, German, French, Spanish and Italian can be selected as the display languages. The OP1S can store parameter sets for easy downloading to other devices.
Parameterization via PC
To allow start-up and troubleshooting using a PC, the DriveMonitor software is supplied with the converters.
The PC is linked to the SIMOREG via the USS interface on the basic unit.
The software provides the following functions:
1) This function must be activated with parameters and is freely selectable.