Selco C6200 FlexGen Installation Manual
Generator controller
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Summary of Contents for Selco C6200 FlexGen
- Page 1 C6200 FlexGen Generator Controller Installation Manual 4560 River Bottom Drive Norcross, GA 30092 P: +1-770-455-9110 W: SELCOUSA.com...
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Page 2: Table Of Contents
Selco C6200 FlexGen Table of Contents Preface............................3 Front View ...........................4 Installation............................5 Isolation and Grounding ......................6 Connections..........................7 Power Supply ...........................7 Voltage Inputs ..........................8 Current Inputs ........................10 Programmable Inputs ......................12 Analogue Inputs ........................14 5.5.1 Voltage Input ........................14 5.5.2 Frequency Input .........................14 Parallel Lines .........................15 GOV/AVR Control ........................16... -
Page 3: Preface
I/O and data acquisition. The Littelfuse Selco C6200 FlexGen can operate in parallel with other C6200 FlexGen modules and interface with the C6500 User Interface Module via the on-board RS232 interface. SCADA and HMI systems can be connected via the RS485 MODBUS interface. -
Page 4: Front View
Selco C6200 FlexGen 2 Front View Revision: 03-06-2014 Page 4 of 24... -
Page 5: Installation
C6200 FlexGen 3 Installation The C6200 FlexGen must be secured to the rear of the switch board using four 5 mm. screws. DIN rail mounting is not advisable due to the weight. Please ensure that enough space is given around the module so that the plug-in terminals can be removed and reinserted without stressing the wires. -
Page 6: Isolation And Grounding
In marine installations ground (switchboard chassis) and common reference (COM) should not be connected together. In a marine installation the vessels hull is considered as “ground”. Connecting any of the COM connections on the C6200 FlexGen to ground (hull) or switchboard chassis may cause electrical noise to be injected into the system. -
Page 7: Connections
5.1 Power Supply The circuitry of the the C6200 FlexGen must be powered by a single external power supply. The supply must provide a nominal voltage of +24 V DC. The C6200 FlexGen will tolerate relatively wide variations in the supply voltage (please refer to the specifications). -
Page 8: Voltage Inputs
Selco C6200 FlexGen External switching of the supply (e.g. to power the units on and off) should be done by making or braking positive supply (terminal 30). Do not use terminal 32 to make and break the supply. 5.2 Voltage Inputs The AC voltages connect to the BUS BAR VOLTAGE and GENERATOR VOLTAGE plug-in terminals. - Page 9 (VOLTOKWND) also present in the configuration. The same scheme applies to the GENERATOR VOLTAGE LED. However, on older versions of the C6200 FlexGen the LED will also flash while the generator breaker is open. This depends on the firmware revision.
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Page 10: Current Inputs
C6200 FlexGen 5.3 Current Inputs The C6200 FlexGen measures current through external current transformers (CTs). The C6200 FlexGen supports 5 A CTs. Class 1 CTs for protection is recommended. The CTs can be shared with third-party equipment provided that this equipmed due not place a burden on the CTs (that the CT inputs are isolated by e.g. - Page 11 Please note that incorrect connection of the current transformers (e.g. by reversing the terminals S1 and S2) will result in wrong current, power and power factor readings. Correct measurement of the current is extremely important. The C6200 FlexGen relies upon the current measurements for the calculation of power factors, active currents and loads, reactive currents and loads, integrated protection functions and load sharing.
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Page 12: Programmable Inputs
(COM), meaning the inputs are considered active when they are connected to minus supply, and inactive when left open (disconnected). The inputs are used for external activations of various programmable features. The functions are described in the C6200 FlexGen Configuration Manual. - Page 13 Selco C6200 FlexGen Programmable inputs and outputs used for control of conventional speed governor. Programmable inputs and outputs used for load depending start and stop. Revision: 03-06-2014 Page 13 of 24...
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Page 14: Analogue Inputs
Selco C6200 FlexGen 5.5 Analogue Inputs The analogue inputs are used for external control of voltage, frequency and load. For example, the analogue inputs can be used when two busbar sections are to be synchronized together or when the gerator is to be synchronized to an incoming sharft generator (or the grid). The analogue inputs can also be used in case the load of the generator needs to be remotely controlled e.g. -
Page 15: Parallel Lines
The parallel lines are used for balancing the active and reactive currents/loads between parallel running C6200 FlexGen modules. The signal level of the parallel lines can also be adapted to suit other types of Littelfuse Selco load sharers (e.g. the Littelfuse Selco T4800). -
Page 16: Gov/Avr Control
Selco C6200 FlexGen 5.7 GOV/AVR Control Two sets of analogue outputs are provided for the control of speed and voltage. The analogue outputs are intended for direct control of electronic speed governors and AVRs. Each analogue output can be configured to provide either a DC voltage within the range of -10 to +10 V DC, a DC current within the range of 0 to 20 mA or a PWM signal with a default base frequency of 500 Hz. - Page 17 Selco C6200 FlexGen C6200 FlexGen controlling electronic speed governor by a DC voltage. C6200 FlexGen controlling ECU by a PWM signal. Note that the amplitude of the PWM signal is determined by the configuration of the DC voltage output range (e.g. 0 to 10 V DC).
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Page 18: Inputs
The breaker is considered closed when the C/B input is at COM level. Please note that the C/B input is very important to the function of the C6200 FlexGen. The C/B input is used (together with the state af the voltage inputs) to determine the operational situation of the system. -
Page 19: Dead Bus Lock
The dead bus lock signal is used to prevent more than one generator from connect simultaneously to a dead bus bar (e.g. in a blackout situation). The Dead Bus Lock signal (terminal 46) must be interconnected between all C6200 FlexGen modules that operates generator connecting to the same busbar. -
Page 20: Unload Trip
Each of the two outputs can be individually configured in relation to any one of the measured or calculated parameters provided within the C6200 FlexGen. Each analogue output can be configured to provide a DC voltage within the range of -10 to +10 V DC. -
Page 21: Alarm
Selco C6200 FlexGen Terminal Signal Description DC voltage External voltage input DC voltage External voltage input Reference (COM) Internal reference It is important to note that each analogue output is protected against short-circuit by an internal 10 kΩ resistor. Resistors are placed in series on the output terminal. The output resistor might affect the magnitude of the output signal if the internal resistance of the driven equipment is low. -
Page 22: Rs485
A RS485 bus needs termination resistance (150 Ω) between terminals A and B at end end of the cable. It is not necessary to connect external termination resistors as the C6200 FlexGen contains internal resistors that can be enabled by toggeling DIP switch 5 to ON position. The termination resistor must be enabled only on the first and on the last unit on the RS485 bus. -
Page 23: Can Bus
C6200 FlexGen 5.14 CAN bus The CAN bus is used in connection with the load dending start/stop features of the C6200 FlexGen. The CANbus terminals are located on the front plate in the right side. The terminals are module standard used in Data communication equipment. Therefore, use standard twisted pair patch cable for CANbus wiring. -
Page 24: Specifications
Selco C6200 FlexGen 6 Specifications: Voltage supply 10 VDC to 36 VDC (24VDC -58% / +50%) Generator Voltage 63V to 690V Generator rated frequency 50Hz/ 60Hz Generator max current 30.000A Current transformer secondary current 5A Power Consumption Ambient temp range -20 ºC / +70 ºC...
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