BK Precision 1688B

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5.1.1 Using Two External Variable DC Voltage Sources ................... 20

5.1.2 Using Two 5 kΩ Variable Resistors .......................................... 21

5.1.3 Enable and Disable the Output ............................................... 23

5.2 PC Interface Control ........................................................................ 23

6 Faults and Troubleshooting .................................................................... 24

6.1 OVP: Overvoltage Protection ......................................................... 24

6.2 OTP: Overtemperature Protection ................................................. 24

6.3 OLP: Overload Protection ............................................................... 25

6.4 Upper Voltage Limit (UVL) and Upper Current Limit (UCL) ............ 26

6.5 Fuse Replacement ........................................................................... 27

7 Specifications .......................................................................................... 28

8 Certification ............................................................................................ 30

9 Service Information ................................................................................ 31

10 Limited Two-Year Warranty .................................................................... 32

BK Precision 1688B - Page 7