SL TF Series Bedienungsanleitung
TF Series GUI Manual v1019 Copyright © 2019 SL Power Electronics Corp. All rights reserved.
TF Series GUI Manual
Communication Protocol
AN-0028
REQUIRED HARDWARE
SW INSTALLATION
CONNECTION SETUP
TF Series GUI Manual v1019 Copyright © 2019 SL Power Electronics Corp. All rights reserved.
Communication protocol
TF series power supplies support digital communication interface with a Host PC based on RS 232 communication
protocol. The UART control interface RXD and TXD are TTL signals. These signals must be transformed to communicate
with host PC by CT-2XX Communication Board. This can be acquired from SL Power Electronics. Then, the functions below
can be operated:
1. ON / OFF control and ON / OFF Status Query.
2. Output voltage / current limit setting and Query.
3. Actual output voltage, output current and internal temperature Query.
4. Status of the unit Query.
5. Manufacturing related data Query (Include model name, serial number, MFG date etc ...).
1. Host PC
2. CT-XXX communication board with 24-wire cable mating to C2 connector on TF power supply
3. USB to RS 232 adapter (with cable)
4. TF series power supply
5. Load (recommended, optional)
1. Run setup.exe le from SL-TF Installer and follow the recommended steps in SW installer tool.(Hint: The SW installer
adds NI LabVIEW run-time 2011 and SL-TF_Demo Project to the system.)
2. If USB to RS232 adapter is used for rst time, install drivers according to instructions provided with the hardware.
(Hint: most likely Windows OS will recognize and install default USB drivers which are suitable for required use.)`
Follow the steps listed below to connect CT-XXX communication board to TF series power supply:
1. remove supplied jumper from C2 connector
2. connect rst end of 24-wire cable to C2 connector on TF power supply
3. connect second end of 24-wire cable to CN1 port on CT-XXX communication board
4. connect USB to RS 232 Adapter to host PC.
5. connect USB to RS 232 to CT-XXX communication board (9 pin RS 232)
6. Make sure the address potentiometer is selected correctly. This is important for parallel operation of PS where two
PS are not allowed to have same address.
7. Connect AC power cord to TF power supply
8. Connect load to TF power supply (recommended, optional)
INTRODUCTION
Page 1
TF Series GUI Manual v1019 Copyright © 2019 SL Power Electronics Corp. All rights reserved.
Communication protocol
CONNECTION SETUP
Follow the steps listed below to connect CT-XXX communication board to TF series power supply:
1. remove supplied jumper from C2 connector
2. connect rst end of 24-wire cable to C2 connector on TF power supply
3. connect second end of 24-wire cable to CN1 port on CT-XXX communication board
4. connect USB to RS 232 Adapter to host PC.
5. connect USB to RS 232 to CT-XXX communication board (9 pin RS 232)
6. Make sure the address potentiometer is selected correctly. This is important for parallel operation of PS where two
PS are not allowed to have same address.
7. Connect AC power cord to TF power supply
8. Connect load to TF power supply (recommended, optional)Apply AC Power to TF power supply
•Power supply remains in stand-by mode
•Green LED is blinking slowly indicating power stand-by mode
Page 2
Figure 1: Connection example TF800 power supply to CT-251 communication board to RS 232 - USB adapter
TF Series GUI Manual v1019 Copyright © 2019 SL Power Electronics Corp. All rights reserved.
Communication protocol
FIRST RUN
1. Perform connection setup described in section 4.
2. Run SL-TF Prog_RT.exe on host PC.
3. Select applicable communication port before setting the program (COM7 in this example)
4. After selecting the applicable COM port, press SEARCH button.
5. ADDS0 will show power supply model voltage, output signals status and the information including DC output
voltage, current and temperature)
•ADDS0-ADDS7 are monitored in respect to potentiometer selection on TF power supply.
6. Change the power supply mode from Power Standby to remote mode by pressing the GLOB button from OFF to
ON.
•Orange solid LED on TF power supply is indicating power remote mode
•Switching GLOB function off will return TF power supply to remote stand-by mode, blinking orange LED.
7. Click SEARCH to read and update GUI information from TF power supply.
•Voltage indication in GUI will change its color from green to orange.
•This indicates successful communication setup with GUI.
•Output voltage is 0 V and output current is 0 A
Figure 2: GUI, 24 V TF Series power supply connected to ADDS 0 at
COM7 in local mode (green)
Figure 3: : GUI, 24 V TF Series power supply connected to ADDS 0 at
COM7 in remote mode (orange)
Page 3
TF Series GUI Manual v1019 Copyright © 2019 SL Power Electronics Corp. All rights reserved.
Communication protocol
8. Set desired output voltage by entering command line: SV XX (XX for voltage value according to datasheet)
9. Set desired output current limit by entering command line SI YY (YY for current value according to datasheet)
10. Click MONITOR button for status query in continuous loop or SEARCH button for single query to readout values
from TF power supply.
11. Get exact output voltage or current by entering command line RV? Or RI?
EXAMPLE USING A 24 VOLT MODEL
1. Perform connection setup described in section 4.
2. Run SL-TF Prog_RT.exe on host PC.
3. Select applicable communication port before setting the program (COM7 in this example)
4. After selecting the applicable COM port, press SEARCH button.
5. ADDS0 will show power supply model voltage, output signals status and the information including DC output
voltage, current and temperature)
•ADDS0-ADDS7 are monitored in respect to potentiometer selection on TF power supply.
6. 6.3. Click MONITOR or SEARCH to get updated data from TF power supply
7. 6.4. Get more exact voltage query by entering command lines RV? and RI?
Contact your local application support or use Communication Protocol User’s Manual for more details to additional
commands.
Figure 4: GUI, response to executed command “SV 22.23”
Figure 6: GUI, response to executed command “RI?”
Figure 5: GUI, response to executed command “SI 2.73”
Figure 7: GUI, response to executed command “RV?”
Page 4
TF Series GUI Manual v1019 Copyright © 2019 SL Power Electronics Corp. All rights reserved.
Communication protocol
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Administration and R&D
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Phone: 800-235-5929
Fax: 805-832-6135
Email: [email protected]
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Email: [email protected]
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Email: [email protected]
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Sales & Support
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1089 Qing Zhou Road North
Shanghai, China 200233
Phone: +86 21 64857422
Fax: +866 21 64857433
Email: [email protected]
www.slpower.com
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