Woodward 2301D, Инструкция по установке и эксплуатации, Страница: 6 / 130

2301D/2301D-EC Digital Control Manual 26247
iv Woodward
Illustrations and Tables
Figure 1-1a. 2301D Outline Drawing (Ordinary Locations) .................................... 4
Figure 1-1b. 2301D Outline Drawing (Hazardous Locations) ................................ 5
Figure 1-2a. 2301D Plant Wiring Diagram (sheet 1) .............................................. 6
Figure 1-2b. 2301D Plant Wiring Diagram (sheet 2) .............................................. 7
Figure 1-2c. 2301D Plant Wiring Diagram (notes) ................................................. 8
Figure 2-1. Installation of Wiring into Terminal ..................................................... 11
Figure 2-2. Droop Contact and Circuit Breaker Auxiliary Contact ........................ 16
Figure 2-3. RS232 Pin assignments for Serial Communication Cable ................. 22
Figure 2-4. Typical RS422 Communications Connections ................................... 22
Figure 2-5. RS-422 Terminator Locations ............................................................ 23
Figure 2-6. Preferred Multipoint Wiring Using Shielded Twisted-pair Cable with a
Separate Signal Ground Wire .......................................................... 24
Figure 2-7. Alternate Multipoint Wiring Using Shielded Twisted-pair Cable without
a Separate Signal Ground Wire ....................................................... 24
Figure 3-1. Null Modem Cable .............................................................................. 27
Figure 3-2. Control Gain as a Function of Speed Error ........................................ 40
Figure 3-3. Speed Filter ........................................................................................ 41
Figure 3-4. Typical Transient Response Curves .................................................. 43
Figure 3-5. Non-linear Valve Power Curve ........................................................... 47
Figure 3-6. Non-linear Valve Power Curve for Turbocharged Engine .................. 47
Figure 3-7. Linearized Gain Plot ........................................................................... 48
Figure 3-8. Start Limit Function ............................................................................ 50
Figure 3-9. LP Ramp ............................................................................................ 61
Figure 4-1. Temporary Wiring for Transformer Phase Correction ........................ 69
Figure 4-2. Droop Adjustment .............................................................................. 71
Figure 5-1. Trend Tool Trace Example 1 ............................................................. 73
Figure 5-2. Trend Tool Trace Example 2 ............................................................. 74
Figure 5-3. Trend Tool Trace Example 3 ............................................................. 74
Figure 5-4. Trend Tool Trace Example 4 ............................................................. 75
Figure 5-5. Trend Tool Trace Example 5 ............................................................. 75
Figure 5-6. Trend Tool Trace Example 6 ............................................................. 75
Figure 6-1. Speed Control System ....................................................................... 78
Figure 6-2. Start Limit Function ............................................................................ 80
Figure 6-3. Remote Speed Reference ................................................................. 82
Figure 6-4. Paralleling System ............................................................................. 86
Figure 6-5. Droop Mode ....................................................................................... 87
Figure 6-6. Isochronous Mode .............................................................................. 88
Figure 6-7. Droop/Isochronous Load Sharing ...................................................... 89
Figure 6-8. Isochronous Load Sharing ................................................................. 89
Table 3-1. Communication Error Code ................................................................. 62
Table 5-1. Description of Discrete Inputs While in Load Control .......................... 85
Table 7-1. RTU Modbus .....................................................................................100
Table 7-2. Modbus Frame Definition ..................................................................100
Table 7-3. Modbus Function Codes ...................................................................101
Table 7-4. Port Adjustments ...............................................................................101