9287500991 Rev M
DECS-100 Installation
i
SECTION 4
• INSTALLATION
TABLE OF CONTENTS
SECTION 4 INSTALLATION ..................................................................................................................... 4-1
INTRODUCTION.................................................................................................................................... 4-1
MOUNTING ............................................................................................................................................ 4-1
CONNECTIONS..................................................................................................................................... 4-4
DECS-100 Terminations .................................................................................................................... 4-4
Bus Voltage Sensing Inputs (Optional) .............................................................................................. 4-5
Generator Voltage Sensing Inputs ..................................................................................................... 4-5
Phase B Line Current Sensing Input .................................................................................................. 4-5
Accessory Input .................................................................................................................................. 4-5
Raise and Lower Contact Inputs ........................................................................................................ 4-5
Var/Power Factor Control Contact Input (Optional) ........................................................................... 4-5
Parallel Generator Compensation ...................................................................................................... 4-6
Parallel Control and Var/PF Control Inputs ........................................................................................ 4-6
Voltage Matching (Optional) ............................................................................................................... 4-6
Power Supply Inputs .......................................................................................................................... 4-6
Chassis Ground .................................................................................................................................. 4-6
Power (Field) Output .......................................................................................................................... 4-6
Relay Output (Alarm) .......................................................................................................................... 4-7
Communication Port ........................................................................................................................... 4-7
DECS-100 Connections for Typical Applications ............................................................................... 4-7
INSTALLATION FOR CE COMPLIANCE ............................................................................................ 4-13
Mounting ........................................................................................................................................... 4-13
Wiring ............................................................................................................................................... 4-13
Installation for EMC Compliance.......................................................................................................... 4-14
Protection ......................................................................................................................................... 4-14
Mounting ........................................................................................................................................... 4-14
Wiring ............................................................................................................................................... 4-14
Ferrite Beads .................................................................................................................................... 4-14
PRELIMINARY SETUP ........................................................................................................................ 4-15
Operating Power Considerations During DECS-100 Programming................................................. 4-15
ADJUSTMENTS................................................................................................................................... 4-16
Figures
Figure 4-1. DECS-100 Dimensions ........................................................................................................... 4-2
Figure 4-2. Cutout and Drilling Dimensions ............................................................................................... 4-3
Figure 4-3. DECS-100 Terminals .............................................................................................................. 4-4
Figure 4-4. RS-232 Port Pin Assignments ................................................................................................ 4-7
Figure 4-5. Personal Computer to DECS-100 Connections ...................................................................... 4-7
Figure 4-6. Typical Connections for PMG Application with ABC Rotation and Three-Phase Sensing ..... 4-8
Figure 4-7. Typical Connections for PMG Application with ABC Rotation and Single-Phase Sensing .... 4-9
Figure 4-8. Typical Connections for Shunt Application with ABC Rotation and Three-Phase Sensing .. 4-10
Figure 4-9. Typical Connections for Shunt Application with ABC Rotation and Single-Phase Sensing . 4-11
Figure 4-10. Typical Connections for Station Power Application and Three-Phase Sensing ................. 4-12
Figure 4-11. Cross-Current (Reactive Differential) Connections ............................................................. 4-13
Figure 4-12. Operating Power Connections for DECS-100 Programming (Input Voltage >120 Vac) ..... 4-16
Tables
Table 4-1. Bus Voltage Sensing Terminals ............................................................................................... 4-5
Table 4-2. Generator Voltage Sensing Terminals ..................................................................................... 4-5
Table 4-3. 52L/M and 52J/K Control Modes .............................................................................................. 4-6
Table 4-4. Communication Port Pin Functions .......................................................................................... 4-7
Table 4-5. Ferrite Bead Specifications and Corresponding Wire Terminals ........................................... 4-14
