Woodward 2301E-ST Installation And Operation Manual Download Page 1

 

 

Product Manual 26694

(Revision C, 11/2018)

Original Instructions

 
 
 
 

 

2301E-ST Digital Electronic Load Sharing 

& Speed Control for Small Steam Turbines 

 
 

Installation and Operation Manual 

See Chapter 1 for part numbers/applications 

 

 

Released

Summary of Contents for 2301E-ST

Page 1: ...26694 Revision C 11 2018 Original Instructions 2301E ST Digital Electronic Load Sharing Speed Control for Small Steam Turbines Installation and Operation Manual See Chapter 1 for part numbers applica...

Page 2: ...to the equipment Any such unauthorized modifications i constitute misuse and or negligence within the meaning of the product warranty thereby excluding warranty coverage for any resulting damage and i...

Page 3: ...DURES 87 Introduction 87 Start up Adjustments 87 Dynamic Adjustment 88 Speed Sensor Check 88 Current Transformer CT Phasing Check 89 Phase Correction Procedure 90 Load Calibration Adjustment 92 Droop...

Page 4: ...s Support Organization 107 Technical Assistance 108 APPENDIX A SERVICE CONFIGURATION CHART 109 APPENDIX B MODBUS COMMUNICATION LIST 118 2301E ST CONTROL SPECIFICATIONS 121 REVISION HISTORY 122 DECLAR...

Page 5: ...0 Service B DISPLAY LOAD INFO Menu 46 Figure 3 11 Service C SHUTDOWN Menu 47 Figure 3 12 Service D ALARM Menu 48 Figure 3 13 Service E SPEED DYNAMICS Menu 50 Figure 3 14 Control Gain as a Function of...

Page 6: ...es 45 Table 3 2 Communication Error Code 71 Table 3 3 Communication Error Code 73 Table 4 1 Automatic Start Up Procedure 76 Table 7 1 RTU Modbus 100 Table 7 2 Modbus Frame Definition 101 Table 7 3 Mod...

Page 7: ...p personnel with appropriate personal protective equipment to minimize the potential for injury due to release of hot hydraulic fluids exposure to hot surfaces and or moving parts or any moving parts...

Page 8: ...Woodward manual 82715 Guide for Handling and Protection of Electronic Controls Printed Circuit Boards and Modules Follow these precautions when working with or near the control 1 Avoid the build up of...

Page 9: ...ring must be in accordance with applicable electric codes with the authority having jurisdiction T3 when the Potential Transformer input is 240 Vac T4 when the Potential Transformer input is 120 Vac o...

Page 10: ...ce EMI testing This product is part of Fixed Installations Special Conditions for Safe Use The control must be installed in a suitable enclosure The final combination must be approved by the local aut...

Page 11: ...s made via a laptop computer connected to the control s RS 232 communications port These configuration and dynamic settings are set changed tuned and saved via a laptop computer and Woodward s user fr...

Page 12: ...cation Configuration and service dynamic adjustments made is done via a laptop computer connected to the control s RS 232 communications port and utilizing Woodward s Control Assistant program which i...

Page 13: ...l Title 25070 Electronic Control Installation Guide 25195 Governing Fundamentals 82384 SPM A Synchronizer 82510 Magnetic Pickups and Proximity Switches for Electronic Governors 82715 Guide for Handlin...

Page 14: ...igns of damage such as bent or dented panels scratches and loose or broken parts If any damage is found immediately notify the shipper Mounting Considerations This product is intended for installation...

Page 15: ...Manual 26694 2301E ST Woodward 13 Figure 2 1a 2301E ST Outline Drawing 8273 1013 1014 Released...

Page 16: ...Manual 26694 2301E ST Woodward 14 Figure 2 1b 2301E ST Outline Drawing Hazardous Location Version Released...

Page 17: ...Manual 26694 2301E ST Woodward 15 Figure 2 2a 2301E ST Plant Wiring Diagram sheet 1 Released...

Page 18: ...Manual 26694 2301E ST Woodward 16 Figure 2 2b 2301E ST Plant Wiring Diagram sheet 2 Released...

Page 19: ...Manual 26694 2301E ST Woodward 17 Figure 2 2c 2301E ST Plant Wiring Diagram notes Released...

Page 20: ...ng shielding All of these inputs should be wired using shielded twisted pair wiring The exposed wire length beyond the shield should be limited to one 25 mm 1 inch Relay outputs contact inputs and pow...

Page 21: ...afety Extra Low Voltage classified output The installer should properly size wiring and fusing for the input power and PT CT circuits Potential Transformer Connections Terminals 1 3 The control s pote...

Page 22: ...equires at least 14 Vdc to recognize a closure command See Figure 2 2 for wiring information and 2301E ST Control Specification for input specifications A positive voltage on any discrete input termin...

Page 23: ...eed of the turbine and start ramping up to the Rated speed e The valve ramp will also start opening at the Valve Ramp rate f When the speed reference matches the actual turbine speed the speed PID wil...

Page 24: ...the remote speed setpoint function must be disabled and the turbine speed is within speed range An overspeed test will allow the control s speed setpoint to be increased above the normal maximum limit...

Page 25: ...imited to a frequency range of 100 to 24 950 Hz 90 to 20 000 rpm and a voltage range of 1 7 35 Vac a voltage level above 2 7 Vac is required to sense frequencies above 13 000 Hz For best electrical no...

Page 26: ...general Alarm Condition energizes for an alarm condition or an Alarm Relay de energizes for an alarm 3 ELECTRICAL OVERSPEED TEST Each relay driver can be programmed to indicate that the electrical tu...

Page 27: ...tput s 4 20 mA current drive signal is directly proportional to the programmed function signal that it is configured to represent Refer to Chapter 3 for output configuration instructions Its clarifica...

Page 28: ...See Figure 2 4 for cable connection 2301D ST Figure 2 4 RS 232 Pin assignments for Serial Communication Cable RS 422 See Figure 2 5 for termination and cable connection example Figure 2 5 Typical RS...

Page 29: ...he cable that connects the circuit grounds together Connect the shield to earth ground at one point only The alternate way is to connect all circuit grounds to the shield and then connect the shield t...

Page 30: ...ppropriate actuator manual and to manual 25070 Electronic Control Installation Guide for additional information on linkage The actuator lever should be near but not at the minimum position when the st...

Page 31: ...ation and setup of the 2301E control on a prime mover The computer and Control Assistant or 2301E Toolkit Service Tool software is not required and not necessary for normal operation of the prime move...

Page 32: ...gender changer on the null modem cable might be required The 2301E default baud rate is 115200 which can be entered in the SOS Servlink OPC Server window or it will automatically detect the correct b...

Page 33: ...Manual 26694 2301E ST Woodward 31 Step 3 An OPC connection will appear Check the radio buttons as shown below and click on Connect Step 4 An OPC connection will be made Released...

Page 34: ...is complete the window should look as follows Step 6 Minimize the SOS Servlink OPC Server program don t close it down Step 7 Click on the icon in the Main Window This will open up a WinPanel window w...

Page 35: ...rs then the Service Menu headers to complete the configuration of the control Step 11 Uploading the final settings out of the control and writing them to another control is accomplished with the Contr...

Page 36: ...file Select the Send Tunable List IO Lock Required icon The settings file will be sent to the control Tuning a parameter a popup appears Standard password 1112 for full editing mode Tuning a paramete...

Page 37: ...icroprocessor to store the configure parameters to return the outputs to their active state and to resume executing the application software Receive Quick Service Configure Tunable List is selected to...

Page 38: ...control to store the configured parameters return the outputs to their active state and resume executing the application software CONFIGURE A SPD LOAD STRT OPTIONS Figure 3 2 Configure A SPD LOAD STRT...

Page 39: ...he turbine If this value is set TRUE the shutdown discrete output will still operate but as the turbine slows down and reaches the MPU Override the actuator will ramp open If the MPU fails and a trip...

Page 40: ...valve ramp using the discrete input raise and lower switches Only select one of the three start modes 15 USE AUTOMATIC START dflt TRUE FALSE TRUE Set to TRUE to enable the automatic mode of operation...

Page 41: ...02 SEL DI F FUNCTION 1 6 dflt 1 1 6 Select one of the following parameters for Discrete Input F at terminal 39 1 DI F NOT USED 2 IDLE RATED 3 52G Gen Brkr Isoch Droop 4 OVERSPEED TEST 5 PROCESS CONTRO...

Page 42: ...hes the programmed level energizes when value is higher the programmed level Level Switch set up is in Menu Q 01 IS TRIP RELAY NC dflt TRUE FALSE TRUE This option sets the logic of the Shutdown Relay...

Page 43: ...BUS CONTROLLED RELAY 2 9 MODBUS CONTROLLED RELAY 3 10 MODBUS CONTROLLED RELAY 4 11 LEVEL SWITCH 12 FORCE OUTPUT TEST 08 RELAY 3 SELECTED displays the relay function for terminal 46 09 RELAY 4 ENERGIZE...

Page 44: ...ON Displays the function selected for Analog Input 1 04 SEL AI 1 TYPE 1 4 dflt 1 1 4 This value is used to set the Analog Input 1 type 1 4 20 mA 2 0 5 V 3 2 5 V 4 1 5 V 05 DISPLAY AI 1 TYPE Displays c...

Page 45: ...r output type 03 INVERT DRIVER OUTPUT dflt FALSE FALSE TRUE Set to TRUE for reverse acting actuators and FALSE for forward acting actuators Forward acting actuators require increase current to increas...

Page 46: ...odward 44 Service Menu Descriptions Figure 3 8 Watch Window Menu and Explorer Service A DISPLAY ANALOG INFO Figure 3 9 Service A DISPLAY ANALOG INFO Menu This is a display group for general monitoring...

Page 47: ...lues listed here is entered the calculated generator frequency shown may not be correct 04 SPEED REFERENCE RPM displays turbine speed setpoint in rpm 05 ACTUATOR SIGNAL displays actuator demand percen...

Page 48: ...plied by the phase angle between the voltage V and the current I cos theta 03 LOAD SENSOR PERCENTAGE displays the generator load in percentage 0 100 04 LOAD SHARING BIAS RPM displays the speed bias in...

Page 49: ...dicates the first shutdown NO SHUTDOWN POWER UP SHUTDOWN OVERSPEED BOTH MPU FAIL ANALOG INPUT 1 FAIL if configured as such ANALOG INPUT 2 FAIL if configured as such MODBUS ISSUED TRIP TEST MODE EXTERN...

Page 50: ...gured A trip is detected when an input from the Modbus controller has issued a trip command 09 TEST MODE 7 displays the status of Test Mode input A trip is detected when the Actuator Calibration or th...

Page 51: ...og 2 exceeds the following ranges Input Set For Low Trip Point High Trip Point 4 20 mA 2 0 mA 22 0 mA 0 5 Vdc 0 63 Vdc 5 63 Vdc 2 5 Vdc 3 13 Vdc 3 13 Vdc 1 5 Vdc 0 5 Vdc 5 5 Vdc 05 LOAD SENSOR FAIL 3...

Page 52: ...rn the speed to zero error after a disturbance The Integral Gain is adjusted to prevent slow hunting and to minimize speed overshoot after a load disturbance in an unloaded condition 03 OFF LINE DERIV...

Page 53: ...Manual 26694 2301E ST Woodward 51 Figure 3 14 Control Gain as a Function of Speed Error Released...

Page 54: ...oodward 52 Figure 3 15 Typical Transient Response Curves 06 USE ON LINE DYNAMICS dflt FALSE FALSE TRUE Set to TRUE when selecting the ON LINE dynamics feature when the 52G GENERATOR BREAKER contact in...

Page 55: ...unction with the Window Width and Gain adjustments by multiplying the Gain set point by the Gain Ratio when the speed error is greater than the Window Width This makes the control dynamics fast enough...

Page 56: ...tpoint to set the Speed Load Setpoint 03 RMT SETPT DEADBAND RPM dflt 2 0 0 0 100 0 Enter the dead band of remote speed setpoint operation When the difference between the control s speed setpoint and t...

Page 57: ...e Idle speed setpoint when using the optional Idle Rated discrete input 04 MIN GOV SETPOINT RPM dflt 3550 0 0 0 32000 Enter the minimum governor speed setting This is the normal operation lower limit...

Page 58: ...band Must be less than the CRITICAL HI POINT and greater than IDLE SPEED SETPOINT 12 CRITICAL HI POINT RPM dflt 3000 0 0 0 32000 Enter the upper limit of the critical speed avoidance band Must be gre...

Page 59: ...that the process setpoint can be increased raised to upper limit of process setpoint This value should set to the same value as the INPUT X MAX VALUE UNITS under the Configure menu D ANALOG INPUT OPT...

Page 60: ...he overspeed test discrete input TRUE when this optional test is performed An overspeed test is allowed only under the condition that the remote speed setpoint function is disabled load rejection func...

Page 61: ...TRUE It is used with the Rolldown Override option the delay time associated with turning on the override If the speed drops below the Minimum Speed Level setting before the time expires the unit will...

Page 62: ...e speed control PID value the valve ramp will take control 02 MANUAL RAMP STATUS displays the status of the MANUAL CONTROL RAMP 03 MANUAL CNTRL RAMP SETPNT dflt 100 0 0 0 100 0 Set this value to manua...

Page 63: ...oop when the generator load is increased to maximum load This value is used for KW Droop and Actuator Position Droop 04 ACT NO LD POS DRP dflt 20 0 0 0 100 0 This value is the percentage of actuator o...

Page 64: ...g lines is determined to be above this percentage the soft load ramp rate will switch to a faster rate to allow this oncoming unit to pick up it share of the load faster 14 Load Share Gain dflt 0 20 0...

Page 65: ...arization curve in percentage Must be less than the X 7 Value 11 Y 6 VALUE dflt 50 0 10 0 110 0 Output point 6 of actuator linearization curve in percentage 12 X 7 VALUE dflt 60 0 10 0 110 0 Input poi...

Page 66: ...lve 01 CALIBRATION ENABLE dflt FALSE FALSE TRUE Set to TRUE to calibrate the actuator or valve Will not be enabled unless Shutdown is active and speed is zero If calibration is completed it should be...

Page 67: ...responds to the maximum range on Analog Input 1 When setting the Min and Max Values for Analog Input 1 or 2 the following equation must be followed Max Value Min Value 16 32000 04 ANALOG IN 1 UNITS di...

Page 68: ...UT MA displays the analog output in milliamps Q DISCRETE OUT SETTINGS Figure 3 28 Service Q DISCRETE OUT SETTINGS Menu The 2301E ST has four discrete output driver channels Terminals 44 45 46 and 47 a...

Page 69: ...2000 0 Enter the level switch ON setting in engineering units There is an ON and an OFF setting for each level switch option This allows the user to program the desired hysteresis for the function sel...

Page 70: ...user to program the desired hysteresis for the function selected 20 RELAY 4 OFF LEVEL dflt 0 0 32000 0 32000 0 Enter the level switch OFF setting in engineering units Must be less than the Relay On Le...

Page 71: ...down state 01 ENABLE HARDWARE TEST dflt FALSE FALSE TRUE Set to TRUE to test the hardware output When test is finished it should set to FALSE 02 HARDWARE TEST MODE displays the status of the HARDWARE...

Page 72: ...0 Sets the offset of analog input 1 18 Analog INPUT 1 Gain dflt 1 00 0 00 10 00 Sets the gain for analog input 1 19 Analog INPUT 2 Offset dflt 0 00 100 00 100 00 Sets the offset of analog input 2 20 A...

Page 73: ...AUD RATE dflt 12 8 12 Set the Baud rate which defines the transfer rate for port communications 8 9600 9 19200 10 38400 11 57600 12 115200 03 BAUD RATE IS SET FOR Shows the selected Baud rate 04 DATA...

Page 74: ...hows the application software information 01 APP Software Number indicates the software part number 02 APP Software Revision indicates the status of the application software revision 03 Application Na...

Page 75: ...TA VALUE Amount of data requested from slave was too large for slave to return in a single response Woodward maximum is 118 registers The following are displayed only 09 CHECKSUM ERROR Error in the ch...

Page 76: ...time allowed before a link error occurs 15 NETWORK ADDRESS dflt 1 1 247 Set the Network Address input defines the slave block address on the Modbus network The network address may depend on master de...

Page 77: ...e prime mover until the boot up is complete For systems requiring fast start functions it is necessary to continuously power the 2301E ST DO NOT attempt to start the prime mover while the CPU Status L...

Page 78: ...pped the speed signals Terminal 25 26 and or 28 29 is minimum Analog Input 1 and 2 Load sharing line and PTs CTs are normal range based on their configurations 2 Shutdown Run discrete input Discrete I...

Page 79: ...ramp limiter goes out of the way 100 and the speed is controlled by the PID The speed will continue to ramp to rated speed Figure 4 2 is an example of an automatic start sequence 1 Close the Run Shutd...

Page 80: ...closing the raise speed contact the valve ramp reference will start increasing thus increasing the turbine speed The operator has control over where the valve ramp reference is set at by using the ra...

Page 81: ...lve will cause the speed to increase until the speed matches the speed reference The PID controller will then take over control 5 The operator can then control the speed of the turbine with the raise...

Page 82: ...ramp will change to the Remote Setpoint Fast Rate until the deadband is met 6 If the analog input USE INPUT X FAIL TRIP is set TRUE and if the input goes less than 2 mA or greater the 22 mA the contr...

Page 83: ...es to drive auxiliary devices or indicators 11 Isochronous Load Control Operation ISOCHRONOUS mode The operator can control the speed reference with the Raise or Lower discrete inputs In this mode the...

Page 84: ...0 kPa 08 SETPT INIT VALUE UNITS 60 psi 414 kPa 09 SPEED SETPT LOW LIMIT 3610 rpm 10 SPEED SETPT HIGH LIMIT 3780 rpm c Under the Service menu F REMOTE SPEED CONTROL 02 RMT PROC CNTRL SLOW RATE RPM S 5...

Page 85: ...by the load gain set point By setting the load gain voltage on each unit to the same level at full load proportional load sharing is achieved Regardless of differences in generator set capacities in...

Page 86: ...nerator set in the system to maintain the same proportion of the shared load each generator will require the same change in speed setting Isochronous Mode A generator set operating in the isochronous...

Page 87: ...Manual 26694 2301E ST Woodward 85 Figure 4 8 Isochronous Mode Figure 4 9 Droop Isochronous Load Sharing Figure 4 10 Isochronous Load Sharing Released...

Page 88: ...hines The minimum system load cannot be allowed to decrease below the output set for the droop machines If it does the system frequency will change and the swing machine can be motored The machine wit...

Page 89: ...ator for the frequency of the speed sensor at rated speed and connect it to terminals 25 and 26 or 28 and 29 The rated speed frequency in Hz equals the rated turbine speed in rpm times the number of t...

Page 90: ...e Service Menu A DISPLAY ANALOG INFO 10 11 if the readings are correct as the signals are applied Dynamic Adjustment The object of the PROPORTIONAL GAIN and INTEGRAL GAIN adjustment is to obtain the o...

Page 91: ...load the generator to as near full load as possible 3 Use a clamp on ammeter and measure the per phase current of the Current transformer output Check that current in each of the three CTs is equal I...

Page 92: ...produces the highest positive reading Try the last CT on the remaining input terminals polarized both ways and record the voltage Connect the last CT in the polarity that produces the highest Load Si...

Page 93: ...from terminals 4 and 5 and connect them to phase B input terminals 6 and 7 10 Apply full load monitor the load sensor and record this value 11 Unload the system and reverse the phase A CT wires on ter...

Page 94: ...AD SENSOR INPUT KW If this reading does not match external instrumentation adjust calibration gain and offset under the Service Menu M LOAD SENSR AND DROOP until Watch Window value matches metering Th...

Page 95: ...e correct speed change if the KW sensor is properly calibrated The droop percent is automatically corrected for load gain voltage values The speed trim range can be configured to stop the speed refere...

Page 96: ...of life or property damage Control Start up When the control is powered on the CPU begins execution of a section of the software program known as the boot code This code performs hardware diagnostics...

Page 97: ...Inputs Run the following test to verify the function of the discrete inputs DO NOT PERFORM THIS TEST WITH THE TURBINE RUNNING Repeat this step for all discrete inputs Close the appropriate input The s...

Page 98: ...th the EG3P actuator remember that terminals C and D of the mating plug should be jumpered Make resistance checks at the actuator Coil resistance on Woodward actuators is approximately 35 Read with le...

Page 99: ...rotect against runaway or overspeed with possible personal injury loss of life or property damage Faulty 2301E ST control Replace Prime mover will not start Check for Actuator Demand after Start comma...

Page 100: ...nd steam injected prime movers Be sure linkage is non linear on carbureted prime movers Refer to actuator manual for proper installation Necessary external wires not properly shielded Electrical noise...

Page 101: ...l linkage Input voltage low Check supply voltage It should be at least 18 Vdc Prime mover does not share load with other units Prime mover not receiving steam as called for by the governor If voltage...

Page 102: ...tings parity stop bits etc this device can be used to monitor all the 2301E ST s controlling parameters modes etc without effecting control To use a 2301E ST port it must be configured properly Monito...

Page 103: ...me SLAVE Address Function Code DATA Error Check Code End of Frame RTU 3 Char Dead Time 1 Char 8 bits 1 Char 8 bits 8 bits Data per Char 1 Char 8 bits 3 Char Dead Time The Modbus function code tells th...

Page 104: ...as coils or digitals and numerics are referred to as registers or analogs All read write registers are interpreted by the 2301E ST as signed 16 bit integer values Since Modbus can only handle integers...

Page 105: ...s and writes Modbus Scale Factors Modbus has two limitations only integers can be sent across the value is limited between 32767 and 32767 These limitations can be overcome by scaling the value before...

Page 106: ...by AEC Corp Modicon Inc formerly Gould Inc To implement your own source code you must register with Modicon Registration includes purchasing document PI MBUS 303 and signing a non disclosure agreement...

Page 107: ...system should also be handled through the OEM or Packager Please review your equipment system documentation for details Woodward Business Partner Support Woodward works with and supports a global netw...

Page 108: ...carries the standard Woodward service warranty Woodward Product and Service Warranty 5 01 1205 on replaced parts and labor Flat Rate Remanufacture Flat Rate Remanufacture is very similar to the Flat...

Page 109: ...ions or from one of our Full Service Distributors The field engineers are experienced both on Woodward products as well as on much of the non Woodward equipment with which our products interface For i...

Page 110: ...as steam etc Power Output Rating Application power generation marine etc Control Governor Information Control Governor 1 Woodward Part Number Rev Letter Control Description or Governor Type Serial Num...

Page 111: ...t FALSE FALSE TRUE 14 Use Semi Auto Start FALSE FALSE TRUE 15 Use Automatic Start TRUE FALSE TRUE 16 Start Mode Monitor 17 Max different in Speed 100 00 0 00 1000 00 18 Number of Gear Teeth MPU2 60 16...

Page 112: ...ay Actuator Type Monitor 03 Invert Driver Output FALSE FALSE TRUE SERVICE PROGRAMMED DEFAULT TUNABLE RANGE MENU VALUE VALUE MIN MAX A DISPLAY ANALOG INFO 01 Speed Control Status Monitor 02 Turbine Spe...

Page 113: ...r Fail 3 Monitor 06 Load Share Line Fail 4 Monitor 07 MPU1 Fail 5 Monitor 08 MPU2 Fail 6 Monitor 09 MAX DIFF MPU 7 Monitor 10 Alarm Acknowledge FALSE FALSE TRUE E SPEED DYNAMICS 01 Off Line Prop Gain...

Page 114: ...nt RPM 2500 00 0 00 32000 00 12 Critical Hi Point RPM 3000 00 0 00 32000 00 13 Critical Rate RPM SEC 100 00 0 00 32000 00 14 Use Set Point Set Back FALSE FALSE TRUE H PROCESS CONTROL 01 Process Contro...

Page 115: ...UT SCALE V 0 7 0 1 5 0 03 SYNC BIAS SPD rpm Monitor 04 TURBINE SPEED rpm Monitor 05 SPEED REF rpm Monitor L VALVE LIMITER SET 01 Enable Manual Cntrl Ramp FALSE FALSE TRUE 02 Manual Ramp Status Monitor...

Page 116: ...Value 40 0 10 0 110 0 10 X 6 Value 50 0 10 0 110 0 11 Y 6 Value 50 0 10 0 110 0 12 X 7 Value 60 0 10 0 110 0 13 Y 7 Value 60 0 10 0 110 0 14 X 8 Value 70 0 10 0 110 0 15 Y 8 Value 70 0 10 0 110 0 16...

Page 117: ...onitor 07 Relay 21 Level Sw 1 7 1 1 7 08 Relay 2 Level Select For Monitor 09 Relay 2 ON Level 0 0 32000 0 32000 0 10 Relay 2 OFF Level 0 0 32000 0 32000 0 11 Relay 3 Selected As Monitor 12 Relay 3 Lev...

Page 118: ...L S Line Relay FALSE FALSE TRUE 16 Load Share Relay Monitor 17 Analog Input 1 4 mA Offset 0 00 100 00 100 00 18 Analog Input 1 20 mA Gain 1 00 0 00 10 00 19 Analog Input 2 4 mA Offset 0 00 100 00 100...

Page 119: ...07 DATA BITS 2 1 2 08 DATA BITS ARE SET FOR Monitor 09 STOP BITS 1 1 3 10 STOP BITS ARE SET FOR Monitor 11 PARITY 1 1 3 12 PARITY IS SET FOR Monitor 13 DRIVER IS SET FOR Monitor 14 TIME OUT sec 4 0 0...

Page 120: ...t Speed PID Dynamic 1 0 0016 Modbus Select Speed PID Dynamic 2 0 0017 Modbus Isochronus Mode 0 0018 Modbus Droop Mode 0 0019 Modbus Enable Overspeed Test 0 0020 Modbus Disable Overspeed Test 0 0021 Mo...

Page 121: ...State 1 0031 Relay Output 1 State 1 0032 Relay Output 2 State 1 0033 Relay Output 3 State 1 0034 Relay Output 4 State 1 0035 In Critical Band 1 0036 Stuck In Critical Band Trip 1 0037 SPEED PID SELEC...

Page 122: ...robes Failed 4 Analog Input 1 Failed 5 Analog Input 2 Failed 6 Modbus Issued Shutdown First Out Alarm Indication The integer loaded into the 2301E ST s Alarm First Out indication register 3 0002 indic...

Page 123: ...Output Ratings Low side drivers with overvoltage protection 200 mA maximum Communication Port J2 RS 232 RS 422 9 pin connector 9600 to 115 200 baud full duplex Ambient Operating Temperature 40 to 70...

Page 124: ...d to Regulatory Compliance section Replaced DoC in Declarations section Changes in Revision B Added new Declaration of Conformity Changes in Revision A Updated Figure 1 1 to show second MPU Modbus RS...

Page 125: ...Manual 26694 2301E ST Woodward 123 Declarations Released...

Page 126: ...22 1519 USA 1041 Woodward Way Fort Collins CO 80524 USA Phone 1 970 482 5811 Email and Website www woodward com Woodward has company owned plants subsidiaries and branches as well as authorized distri...

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