SIMOREG 6RA70 Siemens DC Master
Variable Speed DC Drive Features
1 Quad or 4 Quad, 18 ADC and 36 ADC active Field
- Description & Base Drive Catalog Numbers
- Features
- Design and Mode of Operation
SIMOREG 6RA70 DC Drive Controller complete: (Digital Type)
- Designed to meet the requirements of NEMA, IEEE, NEC, UL Listed and CSA
- 6 Pulse SCR (Silicon Controlled Rectifier) Bridge, 1 quad or 4 quad
- Microprocessor Control Board with 16 bit 38 Mhz high performance multi-tasking microprocessor
- User interface keypad and digital display
- Power and interface control board
- Individual pulse transformers per SCR (comb fire VA rating)
- R/C snubbers across each SCR
- Current transformers for current regulator feedback
- Run/Ready light
- Plug-in wiring harness between boards
- Shunt field excitation circuitry with field current loss protection and field economizing (if required for motor heating, programmable)
- Terminal blocks for incoming/outgoing wiring connections
- High speed AC Silicon SCR rated power fuses
- 115VAC phase non-critical control power transformer
- Power supply transformer
- Digitally fired burst type SCR gate pulses
- 1600PIV rated thyristors are standard
- Built-in A/D converter accepts external reference sources
- Digital and analog tachometer generator feedback or Voltage feedback speed loop selection
- Serial communication via RS232 or RS485 serial ports
- General purpose P-I-D loop for additional regulation modes
- Freely programmable blocks for mathematical functions
- Software programming package to aid in start up
- Peer to Peer Link
- Tachometer to Voltage Feedback switching
- Four layer parameter
- 5 Binary and analog outputs
Adjustments
- Priority access code protection
- Minimum speed
- Maximum speed
- Linear acceleration
- Linear deceleration
- S-Curve rounding
- Jog and thread speed presets
- Current Limit
- Tapered current limit
- IR compensation for voltage feedback drive application
- Motor armature current rating
- Motor field current rating
- Self turning routine automatically adjust each SIMOREG drive controller to optimum performance matching to motor malfunctions
- Motor Over speed
- CEMF crossover voltage (for field weakened speed ranges)
Protection
- Overspeed
- Field current loss
- 12t motor overload
- Instantaneous overcurrent
- Line tolerance monitoring
- Phase sequence monitoring
- Phase loss
- dv/dt Protection on the SCR’s
- SCR type high speed AC line fuses
- DC output fuse on regenerative units
- Heat sink thermostat
- Isolated electronics
Diagnostics
There are more than 120 diagnostic messages for troubleshooting, including fault and warning indication and memory retention of the last four faults. Some of the diagnostics include:
- Line voltage out of tolerance
- Line frequency unstable/out of tolerance
- Phase loss
- Motor stalled
- SCR failure detection and identification
- Loss of speed of voltage feedback
- Current overload
- EEPROM/Microprocessor
- Quick Stop
- 8 Channel data storage
Standard LCD Display includes:
- Speed reference
- Operating speed
- Current reference
- Actual speed
- Gating angle
- CEMF
- Armature voltage
- CEMF/Speed
- RMS AC phase to phase voltage
- All parameter set points (1-941 as apply)
- Torque direction
- Operating time
- Field current reference/field current actual
Siemens Energy & Automation
SIMOREG DC Master Base Drive Operating Instructions