9440300990 Rev J
233
DECS-250
Modbus™ Communication
Name
Register
Type
Bytes
R/W
Unit
Range
AVR Mode Setpoint Step Size
47649
Float
4
R
n/a
n/a
Var Mode Setpoint Step Size
47651
Float
4
R
n/a
n/a
PF Mode Setpoint Step Size
47653
Float
4
R
n/a
n/a
FCR Mode Setpoint Adjustable Minimum
47655
Float
4
R W
Percent
0 - 120
AVR Mode Setpoint Adjustable Minimum
47657
Float
4
R W
Percent
70 - 120
Var Mode Setpoint Adjustable Minimum
47659
Float
4
R W
Percent
-100 – 100
PF Mode Setpoint Adjustable Minimum
47661
Float
4
R W
Power
Factor
0.5 - 1
FCR Mode Setpoint Adjustable Maximum
47663
Float
4
R W
Percent
0 - 120
AVR Mode Setpoint Adjustable Maximum
47665
Float
4
R W
Percent
70 - 120
Var Mode Setpoint Adjustable Maximum
47667
Float
4
R W
Percent
-100 – 100
PF Mode Setpoint Adjustable Maximum
47669
Float
4
R W
Power
Factor
-1 – -0.5
Minimum Value for FCR Adjustable
Maximum
47671
Float
4
R
n/a
n/a
Minimum Value for AVR Adjustable
Maximum
47673
Float
4
R
n/a
n/a
Minimum Value for Var Adjustable
Maximum
47675
Float
4
R
n/a
n/a
Mini Value for PF Adjustable Max
47677
Float
4
R
n/a
n/a
Max Value for FCR Adjustable Max
47679
Float
4
R
n/a
n/a
Max Value for AVR Adjustable Max
47681
Float
4
R
n/a
n/a
Max Value for Var Adjustable Max
47683
Float
4
R
n/a
n/a
Max Value for PF Adjustable Max
47685
Float
4
R
n/a
n/a
Step Size for FCR Adjustable Max
47687
Float
4
R
n/a
n/a
Step Size for AVR Adjustable Max
47689
Float
4
R
n/a
n/a
Step Size for Var Adjustable Max
47691
Float
4
R
n/a
n/a
Step Size for PF Adjustable Max
47693
Float
4
R
n/a
n/a
FCR Pre-Position Mode
47695
Uint16
2
R W
n/a
Maintain=0 Release=1
AVR Pre-Position Mode
47696
Uint16
2
R W
n/a
Maintain=0 Release=1
Var Pre-Position Mode
47697
Uint16
2
R W
n/a
Maintain=0 Release=1
PF Pre-Position Mode
47698
Uint16
2
R W
n/a
Maintain=0 Release=1
FCR Minimum Setpoint
47699
Float
4
R
n/a
Setpoint adjustment range determined
by registers 47655 and 47529.
AVR Minimum Setpoint
47701
Float
4
R
n/a
Setpoint adjustment range determined
by registers 47657 and 47525.
Var Minimum Setpoint
47703
Float
4
R
n/a
Setpoint adjustment range determined
by registers 47659 and Rated VA.
PF Minimum Setpoint
47705
Float
4
R
n/a
Range determined by register
47661.
FCR Maximum Setpoint
47707
Float
4
R
n/a
Setpoint adjustment range determined
by registers 47663 and 47529.
AVR Maximum Setpoint
47709
Float
4
R
n/a
Setpoint adjustment range determined
by registers 47665 and 47525.
Var Maximum Setpoint
47711
Float
4
R
n/a
Setpoint adjustment range determined
by registers 47667 and Rated VA.
PF Maximum Setpoint
47713
Float
4
R
n/a
Range determined by register
47669.
Reserved 11
47715-
740
C6
Filler
52
n/a
n/a
n/a
Soft Start Threshold
47741
Float
4
R W
Percent
0 - 90
Soft Start Duration
47743
Float
4
R W
Second
1 - 7200
Underfrequency Corner Frequency
47745
Float
4
R W
Hertz
40 - 75
Slope of Underfrequency Curve
47747
Float
4
R W
n/a
0 - 3
Width of Voltage Matching Window
47749
Float
4
R W
Percent
0 - 20
Voltage Matching Reference
47751
Float
4
R W
Percent
0 - 700
Summary of Contents for DECS-250
Page 2: ......
Page 6: ...iv 9440300990 Rev J Revision History DECS 250 ...
Page 16: ...xiv 9440300990 Rev J Contents DECS 250 ...
Page 20: ...4 9440300990 Rev J Introduction DECS 250 ...
Page 28: ...12 9440300990 Rev J Power Stage DECS 250 ...
Page 32: ...16 9440300990 Rev J Voltage and Current Sensing DECS 250 ...
Page 40: ...24 9440300990 Rev J Synchronizer DECS 250 ...
Page 52: ...36 9440300990 Rev J Auxiliary Control DECS 250 ...
Page 56: ...40 9440300990 Rev J Contact Inputs and Outputs DECS 250 ...
Page 84: ...68 9440300990 Rev J Limiters DECS 250 ...
Page 114: ...98 9440300990 Rev J Power System Stabilizer DECS 250 Figure 96 PSS Parameter Settings ...
Page 124: ...108 9440300990 Rev J Stability Tuning DECS 250 ...
Page 126: ...110 9440300990 Rev J Mounting DECS 250 Figure 103 Overall and Projection Mounting Dimensions ...
Page 127: ...9440300990 Rev J 111 DECS 250 Mounting Figure 104 DECS 250 Escutcheon Plate Dimensions ...
Page 198: ...182 9440300990 Rev J Timekeeping DECS 250 ...
Page 210: ...194 9440300990 Rev J CAN Communication DECS 250 ...
Page 304: ...288 9440300990 Rev J Maintenance DECS 250 ...
Page 316: ...300 9440300990 Rev J Specifications DECS 250 ...
Page 334: ...318 9440300990 Rev J Analog Expansion Module DECS 250 ...
Page 351: ......