BK Precision 9115-AT User Manual

Model: 9115, 9115-AT, 9116 Multi-Range DC Power Supply USER MANUAL

ix Safety Symbols Refer to the user manual for warning information to avoid hazard or personal injury and prevent damage to instrument. Electric

x Table of Contents Safety Summary ... i Compliance S

xi 3.3 Protection Settings ... 16 Configure Ov

xii 5 Troubleshooting Guide ... 56 General ...

1 1 General Information 1.1 Product Overview B&K Precision models 9115, 9115-AT, and 9116 are multi-range single output high power supplies

2 1.3 Product Dimensions The 9115, 9115-AT, and 9116 power supply’s dimensions (WxHxD) are approximately 414.5 mm x 44.5 mm x 483.2 mm (16.29” x 1

3 1.4 Front Panel Overview Front Panel Description Power On/Off switch VFD display Voltage adjust knob Current adjust knob Up/D

4 Shift key Enables access to secondary functions of some buttons (These functions are labeled in white) OK button (same as Enter button)

5 1.5 Rear Panel Overview Rear Panel Description Analog Control Interface Output Terminal Rear Cooling Fan GPIB Interface USB Interfa

6 1.6 Display Overview Display Description Setting/Measured Voltage Measured Power Output Settings Display Displays parameter settings suc

i Safety Summary The following safety precautions apply to both operating and maintenance personnel and must be followed during all phases of operati

7 2 Getting Started Before connecting and powering up the instrument, please review and go through the instructions in this chapter. 2.1 Input P

8 Connection of this power supply to an AC power source should be made by a qualified electrician or other qualified personnel. Incorrect wiring m

9 from resistances in the wires. Due to the high current rating of the power supply, proper wire sizes are necessary for safe connectivity and

10 Self-test Errors The following errors will be displayed if self-test did not complete successfully: Error Message on Display Description EEPRO

11 Current Check Follow the steps below to check basic current output of the power supply. 1. Turn on the power supply. The display will show the

12 3 Front Panel Operation 3.1 Menu Options All settings and parameters can be configured from the built-in menu system of the power supply. To a

13 1. From the normal display, press and press to enter the menu. 2. The selected item will be blinking. Use keys to move through

14 Note: To see the changes to the setting voltage, be sure the display is not showing the measured voltage. This can be checked by looking at t

15 DO NOT disconnect the wires if remote sense is not used. Doing so will cause erratic behavior and may damage the power supply under certain

16 DO NOT at any time disconnect the wires from the Vs+ and Vs- terminals to the DUT while output is enabled (ON). Doing so may damage the pow

ii Do not use this instrument in an electrical environment with a higher category rating than what is specified in this manual for this instrument.

17 5. To disable OVP at any time, just press twice. When it is disabled, the backlight will disappear. When OVP protection is tripped, the foll

18 To clear the trip status, press once. 3.3 SYSTEM Menu All setup procedures and settings explained in this section can be accessed from the

19 Power-On Rst Load Setup Off External Control 10v-M Limit Vmin = 0.000V, Vmax = 81.000V Online Setup Off Output Disabled Configure Power-On Stat

20 to store settings (0 to 9). The memory group must be selected from the menu first, before settings can be saved within the group. Select Storag

21 1. Press . Notice the button will be lit and the cursor on the display will disappear. This indicates Recall mode. Instrument settings can o

22 RS-232 Follow the steps below to configure the power supply for RS-232 operation: 1. From the SYSTEM menu, browse and select Communication and p

23 GPIB Follow the below instructions to select GPIB interface for remote operation. 1. From the SYSTEM menu, browse and select Communication and

24 6. Select Addr… and press . You will be prompted to enter an address. Use current adjust knob or numeric keypad to enter a number between 0 to

25 Load Setup Option The power supply has an internal dummy load that can be enabled to increase the speed of the voltage fall time for high speed

26 1. From the CONFIG menu, browse and select Ext-Ctrl and press . The following screen will display: 2. Select 10v-M or 5v-M so that it is bli

iii Do not operate the instrument in the presence of flammable gases or vapors, fumes, or finely-divided particulates. The instrument is designe

27 3. Press when finished making the selection. 4. Press several times to exit the menu. Select Source Type For external voltage and current

28 2. Select Off and press . This will disable external analog control. To enable, select any of the three other menu items and press after sel

29 The output state of the power supply can be controlled by EXT_ON (pin 14) and DGND (pin 1). Output ON State - Pin 14 and Pin 1 are connected/sho

30 The voltage and current output can be monitored using VMON (pin 23) and Ground (pin 11) for voltage and IMON (pin 24) and Ground (pin 12) for cur

31 5. When finished, press . The screen will return to the CONFIG menu. 6. Press several times to exit the menu. Parallel/Series Connection

32 For safety, always turn OFF the power supplies before connecting or disconnecting wires to the output terminal. For parallel connection: Conne

33 Master/Slave Setup Only one power supply has to be configured as a Master. The rest must be configured as Slave. Up to 3 units can be confi

34 3. Press the key to select Slave or Master. Use the keys to select between the two options. Select Master to set the power su

35 There are three separate configurations to set up for programming and running a sequence (in order): 1. Configure Sequence Parameters 2. Confi

36 1. Access the main menu by pressing and the . 2. Use the key to select LIST (FUNC. then press twice for model 9115-AT) and press .

iv Clean the instrument only as instructed Do not clean the instrument, its switches, or its terminals with contact cleaners, abrasives, lubricant

37 Pressing the same number will change the “Y” back to the corresponding number. For example, if you want to configure and store a sequence with s

38 12. Enter the width, which is the time to hold the voltage and current setting configured in the previous steps. Enter 1.000 (for 1 second). P

39 The sequence(s) to execute and run can be selected, as well as its repetitiveness. This means multiple sequences can be run one after another.

40 4. The display prompts the user to enter the number of times to repeat the program (list). For this example, enter 5 with the numeric keypad a

41 9. The display prompts the user to enter the number of times to repeat sequence #1 as part of the program (list). In this example, use the curr

42 2. Now, press twice to exit the menu. The following will display: 3. If the display is showing the measured voltage and current value, the

43 Figure 3.8 – Test Pulse waveform (DIN 40839) Table 3.4 – Parameters for test pulse Follow the steps below to set up the DIN40839 function: 1

44 4. While 12V or 24V is flashing, use keys to toggle between the two options. Set to 12V for the 12V test function and 24V for the 2

45 Figure 3.9 – Short voltage drop waveform Figure 3.10 – Profile for the reset test waveform

46 Figure 3.11 – Starting profile waveform Table 3.5 – Starting profile values for 12 V system devices

v Fuse replacement must be done by qualified service-trained maintenance personnel who are aware of the instrument's fuse requirements and saf

47 Table 3.6 – Starting profile values for 24 V system devices Short voltage drop Follow the steps below to set up the ISO16750-2 for Short voltag

48 7. To enable the Short voltage drop function, press the key, on the front panel. The proper voltage (12V or 24V) should be metered on the fro

49 8. To enable the Profile reset test function, press the key, on the front panel. The proper voltage selected should be metered on the front p

50 10. Once both parameters are set, press to confirm the changed settings and press several times to exit the menu. If the Starting profile functi

51 Follow the steps below to configure the voltage slope to simulate the voltage output signal above. 1. Press and . The screen below will b

52 9. When the supply has reached 10 V, use the numeric keypad and enter 1 V. Press and observe the output voltage slowly ramping down to 1 V ove

53 4 Remote Operation 4.1 Interface Connection RS-232 For RS-232 connectivity, refer to the diagram below for pinout information. The RS-232 is

54 RS-485 For multi-unit configuration and control, the male DB-9 interface labeled RS-485 in the rear panel is used. The figure below illustrates

55 4.2 Remote Commands The instrument supports some SCPI commands and some instrument specific commands. These commands enable a computer to remot

56 5 Troubleshooting Guide Below are some frequently asked questions and answers. Please check if any apply to your power supply before contactin

vi • Do not obstruct cooling air flow to the instrument. • Do not place a hot soldering iron on the instrument. • Do not pull the instrument with

57 6 Specifications Note: All specifications apply to the unit after a temperature stabilization time of 15 minutes over an ambient temperature r

58 7 Calibration We recommend a calibration interval of once per year to ensure that the power supply meets specifications.

SERVICE INFORMATION Warranty Service: Please go to the support and service section on our website at www.bkprecision.com to obtain a RMA #. Retur

LIMITED ONE-YEAR WARRANTY B&K Precision Corp. warrants to the original purchaser that its products and the component parts thereof, will be fr

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vii Compliance Statements Disposal of Old Electrical & Electronic Equipment (Applicable in the European Union and other European countries with s

viii CE Declaration of Conformity The power supply meets the requirements of 2006/95/EC Low Voltage Directive and 2004/108/EC Electromagnetic Compat