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9440300990 Rev J
Specifications
DECS-250
RS-485
Type ................................................. RS-485, half duplex
Interface ........................................... Spring type terminals
Location ............................................ Left side panel
Terminals.......................................... RS-485 A, B, C
Ethernet
Type ................................................. 100Base-T copper (style xxxxx1x) or
100Base-FX (style xxxxx2x)
Interface ........................................... RJ45 jack (style xxxxx1x) or locking duplex ST (straight tip)
receptacle (style xxxxx2x)
Location ............................................ Right side panel
Controlle
r
Area Network (CAN)
Type ................................................. SAE J1939 message protocol
Interface ........................................... Spring (style xxxSxxx) or compression (style xxxCxxx) type terminals
Location ............................................ Right side panel
Terminals.......................................... CAN 1 H, L, SH
CAN 2 H, L, SH
Differential Bus Voltage .................... 1.5 to 3 Vdc
Maximum Voltage ............................ –32 to +32 Vdc
Communication Rate ........................ 250 kb/s
IRIG Time Synchronization Input
Standard ........................................... 200-98, Format B002, and 200-04, Format B006
Input Signal ...................................... Demodulated (dc level-shifted signal)
Logic High Level ............................... 3.5 Vdc, minimum
Logic Low Level ............................... 0.5 Vdc, maximum
Input Voltage Range ........................ –10 to +10 Vdc
Input Resistance .............................. Nonlinear, approximately 4 k
Ω
at 3.5 Vdc,
3 k
Ω
at 20 Vdc
Response Time ................................ <1 cycle
Terminals.......................................... IRIG+, IRIG–
Contact Outputs
Make and Break Ratings (Resistive)
24 Vdc ........................................ 7.0 Adc
48 Vdc ........................................ 0.7 Adc
125 Vdc ...................................... 0.2 Adc
120/240 Vac ............................... 7.0 Aac
Carry Ratings (Resistive)
24/48/125 Vdc ............................ 7.0 Adc
120/240 Vac ............................... 7.0 Aac
Terminal Assignments
Watchdog ................................... WTCHD1, WTCHD, WTCHD2
Relay Output 1 ........................... RLY 1, RLY 1
Relay Output 2 ........................... RLY 2, RLY 2
Relay Output 3 ........................... RLY 3, RLY 3
Relay Output 4 ........................... RLY 4, RLY 4
Relay Output 5 ........................... RLY 5, RLY 5
Relay Output 6 ........................... RLY 6, RLY 6
Relay Output 7 ........................... RLY 7, RLY 7
Relay Output 8 ........................... RLY 8, RLY 8
Содержание DECS-250
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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 ...
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