EPS RS 232 Скачать руководство пользователя страница 39 | Manualshive

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Ext. Control: USB

C

ONTROLLING THE DEVICE VIA BROWSER

The user interface can be opened via IP address: http://xxx.xxx.xxx.xxx. The menu ‚

Display

‘ opens the monitoring of

the unit. Java must be supported by your browser to control the device. Displayed are all present measurement
values, which are updated every 2 seconds. When using the monitoring function, automatic toggle to remote

operation when receiving a command should be deactivated (command

<GTR,0>

).

EXT. CONTROL: USB

The USB interface provides a virtual COM port for the PC. Via this port, the unit can be controlled as with a normal
RS232 interface, e. g. with a terminal program. Corresponding drivers for all current operating systems are available as
download: http://www.ftdichip.com/Drivers/VCP.htm.

The status word can be read with the command

<STB>

or

<*STB?>

.

Bit

Function

D15

Parity error

D14

Over run error

D13

Framing error

D12

Timeout error

D11

Echo on

D10

used internally, can be 1 or 0

D9

Hardware handshake (RTS/CTS)

D8

Software handshake (XON/XOFF)

D7

Parity enable

D6

Parity mode (1 = odd, 0 = even)

D5

Stop bit (1 = 2 Stop bits; 0 = 1 Stop bit)

D4

Data format (1 = 8 bit; 0 = 7 bit)

D3

used internally, can be 1 or 0

D2

Table

D1

Table

D0

Table

Table: Error messages

D2

D1

D0

Error

0

0

1

Syntax

0

1

0

Command

0

1

1

Range

1

0

0

Unit

1

0

1

Hardware

1

1

0

Read

The defined character for XON is 0 x 11 and for XOFF it is 0 x 13.

Interface parameters are adjusted by software with the command

<PCx>

and afterwards they can be saved with the

command

<SS>

.

I

NTERFACE

R

ECONFIGURATION

In case, the user has forgotten the active setup, there are two ways of reconfiguring the interface:

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Содержание RS 232

Страница 1: ...EPS Stromversorgung GmbH Telefon 49 0 821 570451 0 Electronic Power Supplies Fax 49 0 821 570451 25 Alter Postweg 101 info eps germany de D 86159 Augsburg www eps germany de M a n u a l EPS MP ...

Страница 2: ......

Страница 3: ......

Страница 4: ...Software version V21 June 2014 ...

Страница 5: ...limit and Ilimit 10 OVP Over Voltage Protection 10 AI Type 10 Remember Last Setting 10 Interface parameter Option 10 Front Panel Operation 11 Display and Settings 11 Current measurement values Display 11 Main display 11 Operating modes 12 Main display overview 12 Operating Mode description 13 Universal interface Option 14 Commands 14 Format 14 Instruction Set 15 Quick view of commands 15 Detailed ...

Страница 6: ...ent of an IP under Microsoft Windows 33 Monitoring the device via browser 34 Controlling the device via Telnet 34 Controlling the device via browser 35 Ext Control USB 35 Interface Reconfiguration 35 Data Log Function Option 36 Format of the saved Data 36 Script Mode 36 Executing Loading a Script 36 Commands 37 Syntax 37 Quick view of commands 37 Detailed description of commands 37 Controller 41 C...

Страница 7: ...Technical Specifications ...

Страница 8: ...ocation built in fast acting PCB mounted cartridge fuse Recommended supply breaker value curve 16 A type D 16 A type D Leakage current 1 5 mA 1 5 mA THD input current 3 75 10 75 THD input voltage 1 87 2 55 Power factor 0 99 0 99 Efficiency type 1 88 with PFC 89 with PFC Dissipated power 1 165 W 350 W OUTPUT SPECIFICATIONS Static voltage regulation 0 05 2 mV Static current regulation 0 1 2 mA Dynam...

Страница 9: ...1 MΩ Maximum permissible input voltage 25 V Reference voltage Reference voltage Uref 10 V 10 mV Output resistance 10 Ω Maximum output current 10 mA not short circuit proof 5 V Supply voltage Output voltage 5 V 300 mV Maximum output current 50 mA not short circuit proof RS 232 Signal inputs RxD CTS Maximum input voltage 25 V Input resistance 5 kΩ Type Switching thresholds UH 3 V UL 3 V Signal outpu...

Страница 10: ...Technical Specifications 6 TECHNICAL DRAWING ...

Страница 11: ... needs to be transported in the future or claims for compensation need to be asserted SETTING UP To avoid electric shocks and product failure the device should be installed in a temperature and humidity controlled indoor environment The ambient temperature must not exceed 50 C The device must never be exposed to liquids or extreme humidity VISUAL INSPECTION The unit must be examined immediately fo...

Страница 12: ...lated by means of the present output current to simulate an internal resistance Table mode Set values for current and voltage are saved in a table Therefore UI characteristics can be easily adjusted There are three different ways to program the table PVsim mode The UI characteristic of a solar generator is calculated with the Uo Ik Umpp and Impp parameters and then written to the table Memory card...

Страница 13: ...TION The picture above shows a schematic view on the front panel of the EPS MP There are 3 buttons to control the unit Basic functions of the control buttons Standby release or lock the output quit OVP Display short press change displayed information long press change between main menu and setup menu Select press change selected menu point rotate change selected value CONFIGURATION The configurati...

Страница 14: ... selected value The display indicates this status with the word OVP To reset this error push the button Standby The OVP value applies to the front panel operation There may apply different values for the AI interface and the digital interface The digital interface is initialized with the value which has been adjusted on the front panel The adjustment range is 0 V up to the maximum rated voltage of...

Страница 15: ...according to operation mode U Output voltage I Ouput current P Output power UIP mode only UIP mode Ri Internal resistance UIR mode only UIR mode Umpp MPP voltage PVsim mode only PVsim mode Impp MPP current PVsim mode only PVsim mode Selectable options in current control mode left display position 5 Loc Front panel operation Scr Memory card operation AI Analog interface operation Rem Interface oper...

Страница 16: ...R V C are shown on the right display The values for power and resistor will be calculated from the actual values of the output voltage and the output current Main display 5 diagram screen After pushing the button Select four times actual output voltage and output current are shown on the left display The output characteristic of the power supply is shown on the right display The X axis shows the o...

Страница 17: ...lator PVsim Mode In PVsim mode the diagram of a PV generator is simulated Given values are open circuit voltage Uo short circuit current Ik as well as the amounts of voltage and current by which the PV generator delivers the maximum power Umpp Impp Parameters can be found in the specification sheet of the simulated PV generator Values for Umpp may be in a range from 0 6 to 0 95 U Values for Impp m...

Страница 18: ...e mixed up Therefore the effect of the following commands is the same GTL Gtl gTL Decimal places are optional and separated by a full stop The number of decimal places is not limited Therefore the effect of the following commands is the same UA 10 UA 10 0 UA 10 000000000 UA 0010 UA 010 0000 The number of decimal places to be analyzed depends on parameter and unit type It corresponds to the number ...

Страница 19: ...IN Limit Rmin Reads minimum adjustable range for Ri within UIR mode LIMU Limit Ua Reads maximum adjustable voltage limitation MODE UI UIP UIR PVSIM USER Skript Set Mode Selects operation mode MU Nr Measure Ua Measures present output voltage MI Nr Measure Ia Measures present output current OPT Optional Identification Query Displays units current hardware software version OVP Uovp Overvoltage Protec...

Страница 20: ...tion immediately after switch on After the unit was switched on remote mode is immediately activated Front panel operation is deactivated IA imax Set Imax This command adjusts current limiting Entering the command without parameters displays the set value If the set value is higher than the maximum current of the unit the range error bit within the ESR register of the interface is set The present ...

Страница 21: ...lave mode the current of a programmed device is adjusted In parallel connection the total current is n x IA LIMI Limit Ia With this command the user can read the maximum adjustable current limiting Example 300A unit Ilimit was adjusted to 200 A via configuration menu LIMI Query of maximum adjustable current LIMI 200 0A Unit answers Ilimit 200 A LIMP Limit Pa With this command the user can read the...

Страница 22: ...devices is displayed Using the parameter Nr will show the value of each connected device Numbering starts with 0 Example MI 2 displays the measured output current at the bus of device number 3 MODE UI UIP UIR PVSIM USER Skript 0 1 2 3 4 5 Set Mode This command selects the operation mode Entering the command without parameter displays the presently selected operation mode Entering the command with ...

Страница 23: ...ter displays the present set point If the set point is higher than a maximum of 1 2 x voltage of the unit the range error bit within the ESR register of the interface is set The present set point remains unchanged Example GTR Remote operation mode OVP 200 Over voltage protection 200 V UA 100 Output voltage 100 V IA 10 Output current 10 A SB R Output open PA Plimit Set Plimit This command adjusts t...

Страница 24: ... and receiving RS485 only Allowed parameters for RS232 interface PCx baud parity data bits stop bits handshake echo Parameter Function Baud 1200 2400 4800 9600 14400 19200 38400 57600 62500 115200 Parity O E N Data bits 7 8 Stop bits 1 2 Handshake H S N Echo E N Allowed parameters for USB interface PCx baud parity data bits stop bits handshake echo Parameter Function Baud 1200 2400 4800 9600 14400...

Страница 25: ...anged Adjustment range can be requested with the commands LIMRMAX and LIMRMIN Example GTR Remote operation mode MODE UIR UIR mode activated OVP 200 Over voltage protection 200 V UA 100 Output voltage 100 V IA 10 Output current 10 A RA 0 1 Internal resistance 0 1 Ohm SB R Output open REGLER Nr Kp Ki Kd Controller Parameter Settings for controller parameters in UIP UIR and PVsim mode Entering the co...

Страница 26: ...alisation of script programming SCR U 12 1 script command U 12 V SCR I 15 2 script command I 15 A SCR UI 3 script command mode UI SCR RUN 4 script command activate output SCR LOOPCNT 10 5 start address loop SCR U 12 6 script command U 12 V SCR DELAY 8 7 script command wait 8 ms SCR U 1 8 script command U 1 V SCR DELAY 1000 9 script command wait 1 s MODE SKRIPT Activate script mode SB R Start scrip...

Страница 27: ...mmed Therefore all connected devices are adjusted to 10V Since three devices are connected in series the total voltage is 3 x 10 V 30 V UMPP Umpp Set Umpp This command adjusts the MPP voltage for PVsim mode Entering the command without parameters displays the present set point If the set point is higher than the maximum voltage of the unit the range error bit within the ESR register of the interfa...

Страница 28: ...xamples of user defined characteristics see Wave Wavelin and Programming of characteristics Script Operation Response String The response string has the following format command comma value unit CR LF The value is a floating point string with a as delimiter Command Response Command Response IA IA 12 34A MU MU 10 0V LIMU LIMU 500 0V PA PA 12W LIMI LIMI 30 00A RA RA 0 015R LIMP LIMP 15000W UA UA 100...

Страница 29: ... S5 Address Off Off Off Off Off 0 Off Off Off Off On 16 On Off Off Off Off 1 On Off Off Off On 17 Off On Off Off Off 2 Off On Off Off On 18 On On Off Off Off 3 On On Off Off On 19 Off Off On Off Off 4 Off Off On Off On 20 On Off On Off Off 5 On Off On Off On 21 Off On On Off Off 6 Off On On Off On 22 On On On Off Off 7 On On On Off On 23 Off Off Off On Off 8 Off Off Off On On 24 On Off Off On Off ...

Страница 30: ...unction D7 n a D6 SRQ is set if SRQ was requested D5 ESB is set if a byte was set within the SES register D4 MAV is set if a message is available D3 n a D2 see table D1 see table D0 see table Table Error messages D3 D2 D1 D0 Error 0 0 0 1 Syntax 0 0 1 0 Command 0 0 1 1 Range 0 1 0 0 Unit 0 1 0 1 Hardware 0 1 1 0 Read ESR Register Event Status Register The ESR register can be read using the command...

Страница 31: ...r 8 Number of stop bits 1 or 2 Handshake H Hardware S Software N None no handshake The defined character for XON is 0 x 11 and for XOFF it is 0 x 13 Interface parameters in delivery state are 9600 baud no parity 8 data bits 1 stop bit echo on The status word can be read with the command STB or STB The following functions are assigned to the bits Bit Function D15 Parity error D14 Over run error D13...

Страница 32: ...115200 Parity O Odd uneven parity E Even even parity N None no parity bit Number of data bits 7 or 8 Number of stop bits 1 or 2 Timeout 0 100 ms A timeout is the time between receipt and sending of a message The connected device is selected by entering the command and placing the number of the device and before it When using the word ALL instead of a number the following command will be executed b...

Страница 33: ...ved with the command SS Interface Reconfiguration In case the user has forgotten the active setup there are two ways of reconfiguring the interface sending the command PCx from one of the other interfaces using the display to configure the interface Interface Parameters EXT CONTROL AI INTERFACE OPTION The device can be controlled via control signals and by using the analog digital In Out ...

Страница 34: ...ltage 14 analog in Uset Set point U 15 analog in Iset Set point I 16 analog in In 2 17 analog in OVPset Set point OVP 18 analog in In 4 19 digital in Ext Control Activates analog control 20 digital in Standby Activates standby 21 analog out Iistmon Monitor output current 22 pwr 5 V Output 5 V supply voltage 23 gnd GND 24 digital out Error Signals shut down by OVP 25 gnd GND 26 nc All digital outpu...

Страница 35: ...resent measurement values are displayed as dc voltage values regardless of the actual operation mode Therefore the AI interface can be used for monitor purposes Maximum voltage is 5 V 10 V Monitor Set Point U Umon Present set point of the output voltage Measurement value refers to the rated voltage of the device Example EPS MP at 600 V output voltage AI is adjusted to 10 V voltage at output Umon 2...

Страница 36: ...nterface is activated by an applied voltage of 5 V up to 10 V Front panel operation is deactivated Operation mode is marked as AI on the display The digital interface takes priority over the AI interface The settings from AI interface have no effect if the device is toggled to Remote Soft Interlock The Interlock deactivates the unit immediately when the connection between interlock input Pin 5 and...

Страница 37: ...d 0 1 1 Range 1 0 0 Unit 1 0 1 Hardware 1 1 0 Read MANUAL ASSIGNMENT OF AN IP UNDER MICROSOFT WINDOWS After the console has been opened clicking on Start and Ausführen opens an input field After this the command cmd or command opens a DOS window The following has to be entered arp s xxx xxx xxx xxx yy yy yy yy yy yy xxx is the desired IP address yy is the MAC address of the unit which can be read ...

Страница 38: ...via telnet must not be active CONTROLLING THE DEVICE VIA TELNET The device can be controlled directly via port 10001 After the console has been opened a click on Start and Ausführen opens an input field After the commands cmd or command have been entered a DOS window opens with telnet xxx xxx xxx xxx 10001 Alternatively many terminal programs offer the possibility to establish a TCP IP or telnet c...

Страница 39: ... download http www ftdichip com Drivers VCP htm The status word can be read with the command STB or STB Bit Function D15 Parity error D14 Over run error D13 Framing error D12 Timeout error D11 Echo on D10 used internally can be 1 or 0 D9 Hardware handshake RTS CTS D8 Software handshake XON XOFF D7 Parity enable D6 Parity mode 1 odd 0 even D5 Stop bit 1 2 Stop bits 0 1 Stop bit D4 Data format 1 8 b...

Страница 40: ... standby mode The function is indicated by a small memory card symbol in the upper right corner of the main display Whenever a new data set is written the symbol will be displayed as filled for ca 1 second In case the memory card is full the symbol will be crossed out FORMAT OF THE SAVED DATA The first entry shows the present operation mode The second entry shows the present operation mode followe...

Страница 41: ...ng commented text DELAY t DELAYS t delay Delays execution of the script for duration of time t I I in ampère output current Set point output current IMPP I in ampère MPP current MPP current in ampère for PV simulation LOOP LOOPCNT Loop Define return address PMAX maximum output UIP mode Maximum output for UIP mode PV PVsim mode Activate PVsim mode RI internal resistance UIR mode Set point internal ...

Страница 42: ...address can be defined with the command LOOP From this point on the processing will continue after the last command of the script To interrupt the program button Standby must be pushed The command LOOPCNT equals the command LOOP But here the command defines the number of loops The maximum number is 65535 Example This example activates the output for 10s then deactivates it for 2s and starts from t...

Страница 43: ...ut Example RUN Activate output STANDBY Deactivate output The command STANDBY deactivates the output and activates standby mode Example STANDBY Deactivate output U Set point output voltage Set point for output voltage in V Example U 100 Output voltage 100 V UI UI Modus This command activates the UI mode Unit works current and voltage regulated Example UI UI mode UIP UIP mode This command activates ...

Страница 44: ...ramp U 9 Command is processed within 1 ms Therefore the U 7 5 ramp has 5 interim values U 6 U 4 5 DELAY 15 15 ms pause U 4 8 2 ramp U 5 1 Command is processed within 1 ms Therefore U 5 4 the ramp has 5 interim values U 5 7 U 6 DELAY 2000 2000 ms pause U 6 6 3 ramp U 7 2 Command is processed within 1 ms Daher U 7 8 The ramp has 10 interim values U 8 4 U 9 U 9 6 U 10 2 U 10 8 U 11 4 U 12 WAVE WAVELI...

Страница 45: ...10 100 V 10 A 50 25 50 V 25 A 10 100 10 V 100 A WAVELIN End of the table RUN Output active If output voltage or output current is changed afterwards the characteristic keeps its course Though values are stretched or compressed to the new range Example This script generates a blue characteristic After a 10 second delay it switches to the green characteristic WAVE Start of the table 100 10 100 V 10 ...

Страница 46: ...age of the table In PVsim mode the current is regulated while the voltage is fixed CONTROLLER STRUCTURE UIP MODE The output voltage is multiplied with the output current The result is subtracted from the power set point This signal is the input signal of the PID controller which releases the current set point for the power supply The current set point is limited to the current set point as a maxim...

Страница 47: ...vative time Since the digital controller is a discrete time system the integral is replaced by a summation and the differential by a difference The following equation puts the controller into practice within the software Parameters P I and D are calculated as follows Controller parameters can be programmed via digital interface using the command REGLER Ts Sampling time Ts Sampling time 300 us dt d...

Страница 48: ...e existing sense cable bridges from the power supply directly connect sense and sense with correct polarity to the load distribution point connect sense and sense conductors to a 1 47 µF capacitor protect sense cable or at least twist sense and sense select load line cross section so that voltage drop is 0 4 V avoid overload of power supplies voltage drop per line x current If thus you paid attent...

Страница 49: ...is measured Therefore up to 3 capacitors are connected parallel which doubles or triples the measured leakage current This is permissible according to the norm Quotation from the norm of 2008 appendix D When measuring protection conductor currents with the equivalent leakage current measuring method it is important to note that devices with protective grounds and symmetrical circuits may have resu...

Страница 50: ...Appendix 46 Note The illustration shows the measurement method for two phase power supplies In the three phase version phase N is replaced by L2 and or L3 ...

Страница 51: ...Notes NOTES ...

Страница 52: ...Notes 48 ...

Страница 53: ...Notes ...

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