Keysight N6746A Installation Manual Download Page 36

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N67xx DUT Power Supply Installation

Replacing a Power Module

Tools required

•

T10 Torx driver

•

Small flat-blade screwdriver

Remove the blower cover:

Remove the screws from the top and sides of the blower cover.

Tilt the cover up and slide it out.

Use a Torx driver to remove the screws at each end of the power module and

remove it from the frame.

Turn the DUT power supply off and disconnect the power

cable before removing and installing power modules.

Observe all standard electrostatic discharge precautions

before handling electronic components.

Always replace a power module with the same model,

otherwise the DUT power supply cannot be controlled by the

i3070 In-Circuit Test Software.

Summary of Contents for N6746A

Page 1: ...DUT Power Supply for Keysight i3070 Series 6 In Circuit Test System DUT power supply models N6751A N6773B N6752A N6746A Installation Guide ...

Page 2: ...ame terms by which the software is customarily provided to the public Accordingly Keysight provides the Software to U S government customers under its standard commercial license which is embodied in its End User License Agreement EULA a copy of which can be found at http www keysight com find sweula The license set forth in the EULA represents the exclusive authority by which the U S government m...

Page 3: ...11 Connecting Output Cables for N6773 1 16 Connecting Output Cables for N6746 1 18 Setting Up Fault Inhibit System Protection 1 19 Digital Control Port 1 20 What is Being Connected in ICT 1 21 Connecting the Power and GPIB Cables 1 25 Updating the Configuration Files 1 28 Verifying Operation 1 30 2 Replacement Procedures Replacing a Power Module 2 2 Replacing Connectors on Old Output Cables 2 4 ...

Page 4: ...iv ...

Page 5: ...g Up Fault Inhibit System Protection 1 19 Connecting the Power and GPIB Cables 1 25 Updating the Configuration Files 1 28 Verifying Operation 1 30 This guide describes the installation of the N67xx DUT power supplies in the i3070 Series 6 test systems 2 or 4 module The procedures in this document must be performed by personnel who are trained and qualified to service Keysight systems ...

Page 6: ...the DUT power supplies The same installation instructions apply Figure 1 1 DUT power supplies in 4 module system Install the DUT power supplies in the outer slot first followed by the middle slot and lastly the inner slot Figure 1 2 Assembly sequence of DUT power supplies DUT power supplies testhead Bank 1 Bank 2 Above Bank 2 Module 3 Channel 1 4 Module 1 Channel 1 4 Module 3 Channel 1 4 Module 2 ...

Page 7: ...on Quantity Brackets N1808 01212 Bracket DUTPS Rear 12 N1808 01217 Bracket DUTPS Front 12 E9900 06001 Screw 48 A pair of front brackets and a pair of rear brackets required for each DUT power supply Cables N1807 61622 Module Cable 4 Channel Short N67xx DUTPS S6 1 N1807 61623 Mod Activation N67xx DUTPS Cable 2CH S6 1 One of each cable for every module activated N1807 61623 is used for Channel 5 6 C...

Page 8: ...T supply c Turn power to the testhead OFF Execute testhead power off and switch the system PDU OFF 2 Install the two front brackets and two rear brackets on the power supply 3 Slide the power supply into the rack starting with the outer slot 4 Secure the front brackets to the front of the rack then secure the rear brackets Figure 1 3 Install DUT power supplies Before beginning the installation pro...

Page 9: ...protection see Setting Up Fault Inhibit System Protection on page 1 19 7 Connect the power and GPIB cables as described in Connecting the Power and GPIB Cables on page 1 25 8 Update the system config file for the additional DUT power supply and verify operation See Updating the Configuration Files on page 1 28 9 After verifying operation install the covers on the DUT power supply racks ...

Page 10: ...efer to the procedure for DUT power supply model you are installing Connecting Output Cables for N6751 Connecting Output Cables for N6752 Connecting Output Cables for N6773 Connecting Output Cables for N6746 Figure 1 4 DUT power supplies rear view of testhead in service position When adding a supply the configuration of existing supplies may prevent you from following all of these procedures Do no...

Page 11: ...ctor Wiring Charts Connector A to J4 on ASRU Card Connector B to J9 on ASRU Card Table 1 2 Connector A to J4 on ASRU Card Pin Wire Color Wire Size Con Terminal Pin Wire Color Wire Size Con Terminal 1 VIO 24 F NC 19 NC 2 WHT 24 F NC 20 NC 3 NC 21 RED 24 H1 4 NC 22 WHT 24 H4 5 GRN 24 F1 23 WHT GRN 24 G3 6 WHT 24 F4 24 WHT GRN 24 G3 7 WHT BRN 20 J3 25 WHT BLU 20 G2 8 WHT BRN 20 J3 26 WHT BLU 20 G2 9 ...

Page 12: ...9 on ASRU Card Pin Wire Color Wire Size Con Terminal 1 NC 2 NC 3 NC 4 NC 5 GRN 24 K1 6 WHT 24 K4 7 WHT BRN 20 8 WHT BRN 20 9 WHT BLK 20 10 WHT BLK 20 11 NC 12 NC 13 BLU 24 L1 14 WHT 24 L4 15 WHT ORN 20 16 WHT ORN 20 17 WHT RED 20 18 WHT RED 20 19 NC 20 NC K3 K2 L3 L2 ...

Page 13: ... page 1 10 2 Connect the DUT Power Supply cable to the ASRU Card and to the N6751 power supply as illustrated in Figure 1 5 Figure 1 5 N6751 output connections Channels 1 through 4 Channel 4 Channel 3 Channel 2 Channel 1 P S Label on cable Cable color P S Label on cable Cable color P S Label on cable Cable color P S Label on cable Cable color S F1 GRN S G1 BLU S H1 RED S J1 BLK F2 RED RED WHT G2 B...

Page 14: ...vailable to use all of the power supply outputs Output 1 goes to channel 5 and output 2 goes to channel 6 on the ASRU Card in the lower numbered module in the same bank To connect all of the outputs two cables are necessary since the outputs will go to two modules Remember to connect the banana plug ground on the back of the power supply and the ground lug connector to the ASRU Card Figure 1 6 Alt...

Page 15: ...els 5 and 6 connect the N6752 so that output 2 goes to channels 5 and 6 in the higher numbered module and output 1 goes to channels 5 and 6 in the lower numbered module in the same bank It is possible that there will not be enough ASRU Card channels available to use both of the power supply outputs To connect all of the outputs two cables are necessary since the outputs will go to two modules Use ...

Page 16: ...er Supply Installation Figure 1 7 N6752 output connections Channels 5 6 Channels 5 6 P S Label on cable Cable color S K1 GRN K2 BLK WHT K3 BRN WHT S K4 WHT S L1 BLU L2 RED WHT L3 ORN WHT S L4 WHT L1 L2 L3 L4 K1 K2 K3 K4 ...

Page 17: ...annels 2 3 Channels 1 4 P S Label on cable Cable color P S Label on cable Cable color S G1 BLU S J1 BLK G2 BLU WHT J2 BLK WHT G3 GRN WHT J3 BRN WHT S G4 WHT S J4 WHT S H1 RED S F1 GRN H2 RED WHT F2 RED WHT RED H3 ORN WHT F3 BLK WHT BLK S H4 WHT S F4 WHT G1 G2 G3 G4 H1 H2 H3 H4 F1 F2 F3 F4 J1 J2 J3 J4 ...

Page 18: ...high current output channels 7 8 The power supply connector on the card is J601 Table 1 4 Connector A to J601 on Utility Card Pin Wire Color Wire Size Con Terminal 1 VIO 24 CH7 S 2 WHT 24 CH7 S 3 RED BRN 12 4 BRN 12 5 RED ORN 12 6 ORN 12 7 BLK BRN 12 8 BLK 12 9 RED BLK 12 10 RED 12 11 WHT 24 CH8 S 12 GRN 24 CH8 S CH7 CH7 CH8 CH8 ...

Page 19: ...put connections Channels 7 and 8 Utility Card Channel 8 Channel 7 P S Label on cable Cable color P S Label on cable Cable color S CH8 S GRN S CH7 S VIO CH8 BLK BRN BLK CH7 RED ORN ORN CH8 RED BLK RED CH7 RED BRN BRN S CH8 S WHT S CH7 S WHT S S CH8 CH8 S S CH7 CH7 ...

Page 20: ...d 6 on the ASRU Card Two ASRU channels are required to handle the high current Connect the supply to the highest numbered module with channels 5 and 6 available Use cable N1807 61621 for a 4 module system or N1807 61616 for a 2 module system Connect the cables as shown in Figure 1 10 Figure 1 10 N6773 output connections Channels 5 6 P S Label on cable Cable color S K1 GRN K2 BLK WHT K3 BRN WHT S K...

Page 21: ...an be connected to channel 7 or 8 on the Utility Card as shown Figure 1 11 Figure 1 11 N6773 output connections Channels 7 or 8 Utility Card Channel 7 or 8 P S Label on cable Cable color S CH7 S VIO CH7 RED ORN ORN CH7 RED BRN BRN S CH7 S WHT S CH8 S GRN CH8 BLK BRN BLK CH8 RED BLK RED S CH8 S WHT S S ...

Page 22: ...annel 6 as a first choice when configuring this supply Up to four power outputs can be routed to any single module or they can be split across four modules Each output powers one module Connect the output cables as shown in Figure 1 12 Figure 1 12 N6746 output connections Channel 5 or 6 P S Label on cable Cable color S L1 BLU L2 RED WHT L3 ORN WHT S L4 WHT S K1 GRN K2 BLK WHT K3 BRN WHT S K4 WHT L...

Page 23: ...tem Protection To set up Fault Inhibit system protection an OVL sense cable is required Refer to the following sections Digital Control Port What is Being Connected in ICT Table 1 5 OVL sense cable Part number Description 03066 61623 OVL sense cable 67xx DUT power supply ...

Page 24: ...able pin functions the active signal polarity for each pin is also configurable When Positive polarity is selected a logical true signal is a voltage high at the pin When Negative polarity is selected a logical true signal is a voltage low at the pin It is good engineering practice to twist and shield all signal wires to and from the digital connectors If shielded wire is used connect only one end...

Page 25: ...he following conditions will generate a fault event over voltage over current over temperature inhibit signal power fail condition or on some models a power limit condition Both pins 1 and 2 are dedicated to this function This provides for an optically isolated output Pin 2 s function is ignored Note that the Fault output signal remains latched until the fault condition is cleared You must also cl...

Page 26: ...Negative 4 Select Protect Inhibit 5 Select either Latching or Live 6 To disable the Inhibit signal select Off Using SCPI commands To configure the Inhibit function DIG PIN3 FUNC INH To select the inhibit input polarity DIG PIN3 POL pol To latch the Inhibit signal OUTP INH MODE LATC To set the Inhibit signal live OUTP INH MODE LIVE To disable the Inhibit signal OUTP INH MODE OFF Table 1 7 Inhibit m...

Page 27: ...occurs Clearing a System Protection Fault If an over voltage over current over temperature power fail condition power limit condition protection condition or inhibit signal occurs the power system turns off the affected output channel The appropriate operating status indicator on the front panel will be on To clear the protection function and restore normal operation first remove that condition th...

Page 28: ...1 24 N67xx DUT Power Supply Installation From the front panel 1 Select Protect Clear 2 Select the Clear button Using SCPI command To clear a protection fault on output1 execute OUTP PROT CLE 1 ...

Page 29: ... 0 5 meter GPIB cables 10833D to existing supplies The DUT power supplies handshake faster than most other devices on the bus If they are cabled directly to the controller the glitches they generate can cause GPIB timeout errors Figure 1 13 Connecting the GPIB cables The DUT Power Supply GPIB cables must be at the end of the GPIB cable string Figure 1 13 shows how to connect the GPIB cables includ...

Page 30: ... 5 6 23 ps1 Module 2 ASRU Card channels 1 4 Module 2 ASRU Card channels 1 2 5 6 24 ps2 Module 3 ASRU Card channels 1 4 Module 3 ASRU Card channels 1 2 5 6 25 ps3 Module 0 ASRU Card channel 5 or 5 6 26 ps4 Module 0 ASRU Card channel 6 27 ps5 Module 1 ASRU Card channels 5 6 28 ps6 Module 1 ASRU Card channel 6 29 ps7 Module 2 ASRU Card channels 5 6 1 ps8 Module 2 ASRU Card channel 6 2 ps9 Module 3 AS...

Page 31: ...l 8 16 ps15 Module 2 Utility Card channel 7 or 7 8 18 ps16 Module 2 Utility Card channel 8 19 ps17 Module 3 Utility Card channel 7 or 7 8 20 ps18 Module 3 Utility Card channel 8 30 ps19 If a supply is split between two modules use the device file address and GPIB address of the lower numbered module Table 1 8 DUT Power Supply Addressing continued Power Supply Connection GPIB Address Device File in...

Page 32: ...ware will accept any mapping of supply numbers to modules However you cannot assign a power supply number more than once in a testhead If the customer has more than one system make the new supplies statement compatible with the other system The second number or range of numbers gives the ASRU Card DUT channel This must match the physical connection of the supply to the ASRU card You cannot assign ...

Page 33: ...supplies ps6752 23 asru channels 5 to 6 supplies ps6746 23 asru channels 5 supplies ps6746 24 asru channels 6 supplies ps6773 23 asru channels 5 to 6 Module 3 supplies ps6751 1 to 4 asru channels 1 to 4 supplies ps6752 1 to 2 asru channels 1 to 4 supplies ps6751 17 to 18 asru channels 5 to 6 supplies ps6752 17 asru channels 5 to 6 supplies ps6746 17 asru channels 5 supplies ps6746 18 asru channels...

Page 34: ...n 2 Run Diagnostics especially the DUT power supply tests with a pin verification fixture In Case of Difficulty If you need phone support go to www keysight com find contactus for contact information If Diagnostics fails verify that there are no shorting straps on the terminals Some supplies come from the factory with shorting straps They must be removed to do remote sensing ...

Page 35: ...Keysight i3070 In Circuit Test System N67xx DUT Power Supply Installation Replacement Procedures Replacing a Power Module 2 2 Replacing Connectors on Old Output Cables 2 4 ...

Page 36: ... out 2 Use a Torx driver to remove the screws at each end of the power module and remove it from the frame Turn the DUT power supply off and disconnect the power cable before removing and installing power modules Observe all standard electrostatic discharge precautions before handling electronic components Always replace a power module with the same model otherwise the DUT power supply cannot be c...

Page 37: ...push it down onto the connector 4 Secure with the screws at each end of the power module Because the RFI strips apply upward pressure continue pushing down on the module until the screws are tight 5 Replace the blower cover Carefully fit the spring clips under the lip of the power modules ...

Page 38: ... Refer to Cable Channel Table 2 2 E4000 61602 for 4 module system Channels 1 4 E1170 61607 2 module system Channels 1 4 E1170 61606 for 2 module system Channels 5 6 Table 2 3 E4000 61606 for 2 module system Channels 5 6 Table 2 4 E4000 61602 for 4 module system Channels 5 6 Table 2 2 Mapping old and new labels on output cables Label on Cable Label on Cable P S Old New Cable Color P S Old New Cable...

Page 39: ...le Color S 1 K1 GRN S 5 L1 BLU 4 K2 BLK RED 8 L2 RED BLK 3 K3 BRN RED 7 L3 ORN WHT S 2 K4 WHT S 6 L4 WHT Table 2 4 Mapping old and new labels on output cables E4000 61602 4 module Label on Cable Label on Cable P S Old New Cable Color P S Old New Cable Color S 1 K1 GRN S 5 L1 BLU 4 K2 BRN BLK 8 L2 BRN BLK 3 K3 BRN 7 L3 ORN S 2 K4 WHT S 6 L4 WHT Channel 5 Channel 6 Channel 5 Channel 6 ...

Page 40: ...This information is subject to change without notice Keysight Technologies 2019 Edition 1 July 2019 www keysight com E4000 90024 ...

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