Description
8236-043 Digital governor system
8236-043 Digital governor system
Module Clips Drive controller servo motor
Contact: Mr. Lai
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Features
Control
Dual dynamics (Speed PID)
Adaptive speed/load PID dynamics
Cascade PID (turbine/driven equipment pressures or
flows)
Manual or auto start sequence
First-Out indication (alarms & shutdowns)
Peak speed Indication for overspeed trip
Multi-lingual Display (English & Additional
Languages TBD)
Remote analog setpoints for Speed/Load & Cascade
Bearing temperature monitoring/alarms/trips
Vibration monitoring/alarms/trips
System Protection
Overspeed protection logic & test capability
Critical speed band protection (1 band)
First-out Indication (5 individual shutdown inputs)
Bearing temperature alarm and trip settings
Turbine vibration alarm and trip settings
Control CPU & memory failure detection logic
Mode login level password security
Cost-Effective Design— The Peak200 control is
designed to function as the turbine control, system
sequencer, operator control panel, and first-out indicator.
This encompassing design minimizes external system
devices as well as system installation, wiring, and
troubleshooting. This field configurable controller allows
major functional changes to be made at site, often by
knowledgeable plant personnel, and minor functional
changes to be online as process changes require. The
Peak200 control’s first-out-indicator logic indicates
internal as well as external system related alarm and
shutdown conditions, greatly simplifying and reducing
system troubleshooting.
Communications— The Peak200 controls can
communicate directly with plant Distributed Control
Systems and/or operator control panels, through two
Ethernet ports using Modbus TCP or UDP
communication protocols or via a serial Modbus port.
The Peak200’s serial port supports RS-232 or RS-485
communications using ASCII or RTU Modbus protocols.
Communications between the Peak200 and a plant DCS
can also be performed through hardwired connections.
Control Specifications
INPUTS
Power:
LV models = 18 – 36Vdc
HV models = 88 – 264Vac & 90-150Vdc
(45 watts max)
Speed: (2) Passive MPUs (100 – 35,000 Hz)
Discrete
Inputs:
(8) Configurable Contact Inputs
(optionally (16) additional inputs via
LinkNet-HT module)
Analog Inputs:
(4) Configurable 4-20mA Inputs
(optionally (16) additional inputs via
LinkNet-HT module)
OUTPUTS
Valve/Actuator
Drivers:
(1) Actuator Output, 4-20mA and 20-
200mA
Discrete
Outputs:
(4) Relay Outputs (24Vdc @ 2 amps,
Form-C contacts) (optionally 16
additional outputs via LinkNet-HT
module)
Analog
Outputs:
(3) 4-20 mA Outputs (optionally 2
additional outputs via LinkNet-HT
modules)
COMMUNICATIONS
Ethernet: (2) ports (Modbus TCP or UDP
protocols)
Serial: 1 Modbus port (ASCII or RTU) Comm
Ports (RS-232 or RS-485 compatible)
CAN: (2) ports (LinkNet-HT comm. protocol)
Functionality
The Peak200’s control capabilities are:
Turbine Speed/Load control
Inlet Header Pressure control
Turbine inlet/exhaust header pressure control
Pump flow/pressure control
Compressor flow/pressure control
Control Accessories
LinkNet-HT Modules – Optionally users can apply
Woodward distributed I/O modules to extend the Peak200
controller’s input and output channels.
Vibration Sensor Kit – Optionally users can apply 4-20mA
accelerometer sensors with the Peak200 to monitor unit
vibration levels and alarm & trip on high vibration events.
Refer to product manual for related kit part numbers.
RemoteView – Woodward’s RemoteView software program
once installed on a computer or touch panel can be used as
an engineering workstation and or remote operator control
panel.
Stored Trend/Log File Service Tool – Woodward’s
Control Assistant software service tool can be used to view
real-time trends, saved trend files, upload and download
Peak200 configuration files and alarm/trip logs
Woodward 03438 p.4
Operating Conditions
–20 to +65°C (-20 to 70°C for Panel Mount Version) ambient air temperature range
Humidity: 5% to 95% non-condensing Lloyd’s ENV2 test #1
Dry heat: Lloyd’s ENV3
Salt fog: US MIL-STD-810 method 509.2 procedure 1, Type 4X Enclosure UL50E 8.9 corrosion protection test
ASTM B117
Shock: 10G, 3x axis per Woodward MS2 procedure
Vibration: 1.04Grms, industrial skid mount per Woodward RV5
Pollution Resistance
Particulate Pollution Resistance: IEC 60664-1 Pollution Degree 2 (Normally only nonconductive pollution occurs).
Gaseous Pollution Resistance: Module conformal coating withstands NO2, CO2, SO2, and H2S gases
Will withstand levels typical of telecommunications and computer installations as defined by Battelle Labs Class
III (between IEC60721-3-3 classification 3C1 and 3C2, light industrial to urban industrial, heavy traffic).
Regulatory Compliance
European Compliance for CE Marking
These listings are limited to only those units bearing the CE Marking.
EMC Directive: 2014/30/EU
LVD Directive: 2014/35/EU
ATEX Directive: 2014/34/EU, Zone2, Category 3, Group II G, Ex ic nA IIC T4 Gc X IP54 (Bulkhead version),
IP54 (Exposed portion of Front Panel version), IP20 (internal portion of Front Panel version)
Other International Compliance
IECEx: CSA 17.0004X (Ex ic nA) for Zone2, Category 3, Group II G, Ex ic nA IIC T4 Gc X IP54 (Bulkhead
version), IP54 (Exposed portion of Front Panel version), IP20 (internal portion of Front Panel version)
INMETRO Brazil: NCC certificate BRA-17-GE-0007 (Ex ic nA) for Zone2, Category 3, Group II G, Ex ic nA IIC
T4 Gc X IP54 (Bulkhead version), IP54 (Exposed portion of Front Panel version), IP20 (internal portion of Front
Panel version)
North American Compliance
Listings are limited only to those units bearing the appropriate CSA Marking
CSA: CSA Certified for Class I, Div. 2, Groups A, B, C and D, T4 at the rated ambient temperature for use in Canada
and the United States, CSA certificate 70101251
CSA Certified for Ordinary Locations, CSA Certificate 70101251
General Compliance:
Please refer to Product Manual B35051 for installation constraints, safety conditions, grounding, and shielding
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1.Has been engaged in industrial control industry for a long time, with a large number of inventories.
2.Industry leading, price advantage, quality assurance
3.Diversified models and products, and all kinds of rare and discontinued products
4.15 days free replacement for quality problems
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