9440300990 Rev J
xi
DECS-250
Contents
PROFIBUS Communication ................................................................................................................... 237
Data Types ............................................................................................................................................ 237
Float/UINT32 ...................................................................................................................................... 237
UINT8 ................................................................................................................................................. 237
Setup ..................................................................................................................................................... 239
PROFIBUS Parameters......................................................................................................................... 240
Maintenance ............................................................................................................................................ 285
Storage .................................................................................................................................................. 285
Preventive Maintenance ........................................................................................................................ 285
Connections ....................................................................................................................................... 285
Electrolytic Capacitors ....................................................................................................................... 285
Cleaning the Front Panel ....................................................................................................................... 286
Troubleshooting ..................................................................................................................................... 286
DECS-250 Appears Inoperative ........................................................................................................ 286
Display Blank or Frozen ..................................................................................................................... 286
Generator Voltage Does Not Build .................................................................................................... 286
Low Generator Voltage in AVR Mode................................................................................................ 286
High Generator Voltage in AVR Mode ............................................................................................... 287
Generator Voltage Unstable (Hunting) .............................................................................................. 287
Protection or Limit Annunciation ........................................................................................................ 287
HMI Meter Readings Incorrect ........................................................................................................... 287
No Communication ............................................................................................................................ 287
DECS-250 Reboots Frequently ......................................................................................................... 287
Support .................................................................................................................................................. 287
Specifications .......................................................................................................................................... 289
Operating Power .................................................................................................................................... 289
Control Power ........................................................................................................................................ 289
Style LXXXXXX .................................................................................................................................. 289
Style CXXXXXX ................................................................................................................................. 290
Terminals ........................................................................................................................................... 290
Generator and Bus Voltage Sensing ..................................................................................................... 290
Terminals ........................................................................................................................................... 290
50 Hz Sensing Voltage Nominal Input, Range .................................................................................. 290
60 Hz Sensing Voltage Nominal Input, Range .................................................................................. 290
Generator Current Sensing ................................................................................................................... 290
Terminals ........................................................................................................................................... 290
Accessory Inputs ................................................................................................................................... 291
Current Input ...................................................................................................................................... 291
Voltage Input ...................................................................................................................................... 291
Contact Inputs ....................................................................................................................................... 291
Terminals ........................................................................................................................................... 291
Communication Ports ............................................................................................................................ 291
Universal Serial Bus (USB) ................................................................................................................ 291
RS-232 ............................................................................................................................................... 291
RS-485 ............................................................................................................................................... 292
Ethernet ............................................................................................................................................. 292
Controller Area Network (CAN) ......................................................................................................... 292
IRIG Time Synchronization Input .......................................................................................................... 292
Contact Outputs ..................................................................................................................................... 292
Field Power Output ................................................................................................................................ 293
Minimum 10-Second Forcing Output Rating ..................................................................................... 293
Minimum Field Resistance ................................................................................................................. 293
Regulation ............................................................................................................................................. 293
FCR Operating Mode ......................................................................................................................... 293
FVR Operating Mode ......................................................................................................................... 293
AVR Operating Mode ......................................................................................................................... 293
Var Operating Mode........................................................................................................................... 293
Содержание DECS-250
Страница 2: ......
Страница 6: ...iv 9440300990 Rev J Revision History DECS 250 ...
Страница 16: ...xiv 9440300990 Rev J Contents DECS 250 ...
Страница 20: ...4 9440300990 Rev J Introduction DECS 250 ...
Страница 28: ...12 9440300990 Rev J Power Stage DECS 250 ...
Страница 32: ...16 9440300990 Rev J Voltage and Current Sensing DECS 250 ...
Страница 40: ...24 9440300990 Rev J Synchronizer DECS 250 ...
Страница 52: ...36 9440300990 Rev J Auxiliary Control DECS 250 ...
Страница 56: ...40 9440300990 Rev J Contact Inputs and Outputs DECS 250 ...
Страница 84: ...68 9440300990 Rev J Limiters DECS 250 ...
Страница 108: ...92 9440300990 Rev J Power System Stabilizer DECS 250 Figure 85 PSS Function Blocks and Software Switches ...
Страница 114: ...98 9440300990 Rev J Power System Stabilizer DECS 250 Figure 96 PSS Parameter Settings ...
Страница 124: ...108 9440300990 Rev J Stability Tuning DECS 250 ...
Страница 126: ...110 9440300990 Rev J Mounting DECS 250 Figure 103 Overall and Projection Mounting Dimensions ...
Страница 127: ...9440300990 Rev J 111 DECS 250 Mounting Figure 104 DECS 250 Escutcheon Plate Dimensions ...
Страница 128: ...112 9440300990 Rev J Mounting DECS 250 Figure 105 Panel Cutting and Drilling Dimensions for DECS 250 Panel Mounting ...
Страница 198: ...182 9440300990 Rev J Timekeeping DECS 250 ...
Страница 210: ...194 9440300990 Rev J CAN Communication DECS 250 ...
Страница 304: ...288 9440300990 Rev J Maintenance DECS 250 ...
Страница 316: ...300 9440300990 Rev J Specifications DECS 250 ...
Страница 334: ...318 9440300990 Rev J Analog Expansion Module DECS 250 ...
Страница 341: ...9440300990 Rev J 325 DECS 250 Contact Expansion Module Figure 188 CEM 2020 Input Contact and Output Contact Terminals ...
Страница 351: ......