Table of Contents 1. Important Safety Instructions and Precaution For Use..............3 2. Technical Specifications of SDP Series Power Supplies..............4 3. Introduction............................5 4. Controls and Indicators........................5 5. General Operation Principle......................6 5.1 Quick Reference of Keypad Functions..................6 6. Operating Instructions........................8 6.1 Setting of Operating Modes.......................9 6.1.1 Enable/Disable Output.......................9...
1. Important Safety Instructions and Precaution For Use General Safety Instructions ● Do not use the unit near water. ● Do not install unit near heating sources and heating emitting devices. ● Clean only with dry cloth. ● Do not block the fan ventilation. ●...
3. Introduction The SDP series of Programmable Switching Mode Power Supplies are designed for full remote programming with data logging functionality. Up to 31 power supplies can be connected via RS- 485. It is ideal for applications which require various groups of output settings and running periods for repetitive tests especially with multiple power supplies.
Rear Panel POWER SWITCH AC 100-240VAC POWER SOCKET WITH INPUT POWER FUSE RS-485 PORT USB PORT 5. General Operation Principle NOTE: This section contains a condensed overview of the unit. Read this section to quickly get started. 5.1 Quick Reference of Keypad Functions The front Keypad is organised as follow: (1) Number Keys, UP/DOWN Keys and Jog Wheel...
Keypad Function Section Dual Function Control Keys Press to access second function of the control keys Press to terminate any input process and the unit will exit to normal operation Press to use recall preset program features. 6.3.1 to exit the use of any preset program 6.3.3 thru thru...
6. Operating Instructions NOTE: This section shows how to perform power supply functions using the front panel. Operations that you can perform are: 6.1 Setting of Operating Mode 6.1.1 Enable/Disable Output Page 9 6.1.2 Lock/ Unlock the Keypad and Jog Dial Page 9 6.1.3 RS-485 address setting Page 9...
6.1 Setting of Operating Modes 6.1.1 Enable/Disable Output Action LCD Display Description 1. Press Output ENABLE Then 2. Press Output DISABLE Then 6.1.2 Lock/ Unlock the Keypad and Jog Dial Action LCD Display Description 1. Press Keypad and Jog Dial Locked Then 2.
Action LCD Display Description Use the number key to input your desired voltage 3. Press Press this key to confirm Note : Whenever to terminate the Upper Voltage Limit Setting, press “CLEAR” to return to normal operation. 6.1.5 Output Enable/Disable at Power Up Action LCD Display Description...
6.1.7 Enable/Disable SCPI Action LCD Display Description 1. Press Press to enter into SCPI enable/disable menu Then Use JOG select between Y and N Rotate 3. Press Press this key to confirm 6.2 Basic Operation 6.2.1 Setting of Voltage and Current by Jog Dial and UP & DOWN Key Action LCD Display Description...
6.2.2 Setting of Voltage and Current Using Keypad Action LCD Display Description Press to switch between V-set and Press I-set. Setting voltage/current by pressing numbers on Keypad. 3. Press Press this key to confirm Note : whenever to terminate the settings of voltage and current, press “CLEAR” to return to the normal operation. 6.3 Using the Programming Features 6.3.1 Preset Program Action...
6.3.2 Setting of Timed Program Action LCD Display Description 1. Press Press to enter into timed program step setting. Then Use JOG or numbering Keypad to select step to be review. thru 3. Press Use UP/DOWN key to move around voltage, current and time setting of step.
PC software for Windows or your own program using command set in Appendix A. SDP series power supply come with USB and RS-485 port on the rear. You can use either one of these connections to connect power supply to PC. The power supply will automatically select between USB and RS-485 while cable is connected.
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USB driver download PC control software download Software user manual download Connect Multiple Power Supplies to PC via RS-485 For multiple power supplies, use the RS-485 Interface through the RS-485 port at rear panel of the power supply. Up to 31 power supplies can be connected via RS-485. You will need a USB to RS-485 Adapter and the connection shown in Figure 6a &...
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Connect to PC’s USB port USB to RS-485 Adapter (Optional Accessory) Figure 7b. Connection diagram between USB Adapter and RS-485 Connectors. P. 16...
APPENDIX A SDP COMMMAND SET Remarks in using the Remote Programming Mode The USB/485 interface is always ready for connection to PC for remote programming operation . SDP Command Set { }- command data, [ ] - return data, [OK] = "OK", [CR] = 0dh ???? = 30h, 30h, 30h, 30h - 39h, 39h, 39h, 39h (4 bytes data) ??? = 30h, 30h, 30h - 39h, 39h, 39h (3 bytes data) ?? = 30h, 30h –...
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Command Code & Return Data Description Input Command: Get Upper Voltage GOVP <address> <CR> Limit of PS Return Data from Power Supply: Voltage [???] [CR] [OK] [CR] Input Command: Get Voltage & GETD <address> <CR> Current reading from Return Data from Power Supply: Voltage [????] Current [????] [0] [CR] [OK] [CR] PS in CV mode...
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Command Code & Return Data Description Input Command: Get Timed Program GETP <address> program {00-19} <CR> Memory from Specific Program of Return Data from Power Supply: Voltage [???] Current [???] Minute [??] Second [??] [CR] [OK] [CR] Input Command: Get LCD Display GPAL <address>...
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Command Code & Return Data Description Input Command: Enable Output of PS SOUT <address> 0 <CR> Return Data from Power Supply: [OK] [CR] Input Command: Enable the output POWW <address> location {1-9}0 <CR> when switch on the power supply. Return Data from Power Supply: [OK] [CR] Input Command: Disable the output...
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