72-6851 TENMA, 72-6851 Datasheet

POWER SUPPLY, BENCH, 35V

72-6851

Manufacturer Part Number
72-6851
Description
POWER SUPPLY, BENCH, 35V
Manufacturer
TENMA
Datasheet

Specifications of 72-6851

Power Supply Output Type
Variable
No. Of Outputs
1
Output Voltage
35V
Output Current
10A
Load Regulation
0.01%
Length
350.52mm
Width
210.82mm
Height
132.08mm
Output Type
Variable
Calibrated
No
Rohs Compliant
NA
Lead Free Status / RoHS Status
na
72-6851 & 72-6853
PROGRAMMABLE HIGH CURRENT DC POWER SUPPLIES
INSTRUCTION MANUAL

Related parts for 72-6851

72-6851 Summary of contents

Page 1

... PROGRAMMABLE HIGH CURRENT DC POWER SUPPLIES INSTRUCTION MANUAL ...

Page 2

... Tenma 72-6851 & 72-6853 Instruction manual Specification Safety EMC Installation Connections Manual Operation Maintenance and Repair Remote Operation Remote Commands Table of Contents www.tenma.com ...

Page 3

... Tenma 72-6851 & 72-6853 Instruction manual OUTPUT SPECIFICATIONS Output Voltage Range: Output Current Range: Output Voltage Setting: Output Current Setting: Output Mode: Output Switch: Output Terminals: Sensing: Output Impedance: Output Protection: OVP Setting: OVP Range: OVP Delay: Load & Line Regulation: Ripple & ...

Page 4

... Tenma 72-6851 & 72-6853 Instruction manual Note: All voltage and current levels set via the keyboard are displayed on a separate 0.3” 4-digit display. This entry preview system ensures that the user can observe the value entered before it is effected thus avoiding possible error. The display is also used for setting additional functions. ...

Page 5

... Tenma 72-6851 & 72-6853 Instruction manual This power supply is a Safety Class I instrument according to IEC classification and has been designed to meet the requirements of IEC 1010-1 (Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use Installation Category II instrument intended for operation from a normal single phase supply. ...

Page 6

... Tenma 72-6851 & 72-6853 Instruction manual This power supply has been designed to meet the requirements of the European EMC Directive 89/336/EEC. Compliance was demonstrated by meeting the test limits of the following standards: Emissions EN50081-1 (1992) Generic emission standard for residential commercial and light industry ...

Page 7

... Tenma 72-6851 & 72-6853 Instruction manual Mains Operating Voltage This instrument operates from a nominal 115V mains supply. Check that the local supply meets the AC Input requirement given in the Specification. Mains Lead WARNING! THIS APPARATUS MUST BE EARTHED. Any interruption of the mains earth conductor inside or outside the instrument will make the instrument dangerous ...

Page 8

... Tenma 72-6851 & 72-6853 Instruction manual Front Panel The POWER switch is used to apply line voltage to the instrument. When switched instrument will be powered and the start-up procedure will be executed; this will take approximately 5 second to complete. If all is well the settings from the last power-down will be installed and the instrument will be ready for use ...

Page 9

... Tenma 72-6851 & 72-6853 Instruction manual entered press the CONFIRM key and the set current will be updated immediately. To exit without making any changes press the ESCAPE key mistake is made during entry press the AMPS key and start again. The maximum and minimum values accepted will depend on the particular model, see the specification section for details ...

Page 10

... Tenma 72-6851 & 72-6853 Instruction manual Current Meter Damping The output current meter damping is toggled on and off by pressing the DAMPING key. When damping is on the DAMP LED will also be on. Output On/Off The output is alternately turned on and off by pressing the OUTPUT key. The status is shown by the ON LED next to the key ...

Page 11

... Tenma 72-6851 & 72-6853 Instruction manual The shorting links should be re-made between the rear sense and output terminals when remote sensing is not being used. However, the sense connection is also made internally through a low value resistor and only a small error between the set and actual voltage will result if the links are left disconnected ...

Page 12

... Tenma 72-6851 & 72-6853 Instruction manual The instrument can be remotely controlled via its RS232 or GPIB interfaces. When using RS232 it can either be the only instrument connected to the controller or it can be part of an Addressable RS232 Chain (ARC) which permits instruments to be addressed from one RS232 port. ...

Page 13

... Tenma 72-6851 & 72-6853 Instruction manual RS232 Interface RS232 Interface Connector The 9-way D-type serial interface connector is located on the instrument rear panel. The pin connections are as shown below: Pin Name TXD 3 RXD GND RXD2 8 TXD2 9 GND Single Instrument RS232 Connections For single instrument remote control only pins 2, 3 and 5 are connected to the PC. However, for correct operation links must be made in the connector at the PC end between pins 1, 4 and 6 and between pins 7 and 8, see diagram ...

Page 14

... Tenma 72-6851 & 72-6853 Instruction manual the inter-connection between instruments to contain just 3 wires. The wiring of the adaptor cable is shown below: All instruments on the interface must be set to the same baud rate and all must be powered on, otherwise instruments further down the daisy chain will not receive any data or commands. ...

Page 15

... Tenma 72-6851 & 72-6853 Instruction manual the addresses 1-26 inclusive while @ is address 0 and so on. Once addressed to listen the instrument will read and act upon any commands sent until the listen mode is cancelled. Because of the asynchronous nature of the interface it is necessary for the controller to be informed that an instrument has accepted the listen address sequence and is ready to receive commands ...

Page 16

... Tenma 72-6851 & 72-6853 Instruction manual GPIB Subsets This instrument contains the following IEEE 488.1 subsets: Source Handshake Acceptor Handshake Talker Listener Service Request Remote Local Parallel Poll Device Clear Device Trigger Controller Electrical Interface * Although no Device Trigger capability is included, the GET message will not cause a command error unless its position in the input stream dictates that it should ...

Page 17

... Tenma 72-6851 & 72-6853 Instruction manual bit 6 = bit 5 = bit 4 = bit 3 = Sense - sense of the response bit low high bit 2 = bit 1 = bit 0 = Example. To return the RQS bit (bit 6 of the Status Byte Register when true and a 0 when false in bit position 1 in response to a parallel poll operation send the following commands ∗ ...

Page 18

... Tenma 72-6851 & 72-6853 Instruction manual 107 108 109 110 114 115 116 117 118 119 Bit 3 - Operation Time-out Error. Set when an attempt is made to set an output to a specific voltage value, with verify specified, and the output Volts do not settle within 5 seconds. this can happen if, for example, a large value of capacitance exists across the output and the current limit is set to a very low value ...

Page 19

... Tenma 72-6851 & 72-6853 Instruction manual Bit 7 - FLT. This is the fault bit which will be set when an output fault is detected, i.e. an execution error 002 has occurred. Bit 6 - RQS/MSS. This bit, as defined by IEEE Std. 488.2, contains both the Requesting Service message and the Master Status Summary message. RQS is returned in response to a Serial Poll and MSS is returned in response to the ∗ ...

Page 20

... Tenma 72-6851 & 72-6853 Instruction manual Power on Settings Most instrument settings are stored in non-volatile ram and will remain unchanged while power is off. The following instrument status values are set at power on: Status Byte Register * Service Request Enable Register Standard Event Status Register ...

Page 21

... Tenma 72-6851 & 72-6853 Instruction manual RS232 Remote Command Formats Serial input to the instrument is buffered in a 256 byte input queue which is filled, under interrupt manner transparent to all other instrument operations. The instrument will send XOFF when approximately 200 characters are in the queue. XON will be sent when approximately 100 free spaces become available in the queue after XOFF was sent ...

Page 22

... Tenma 72-6851 & 72-6853 Instruction manual Each query produces a specific the remote commands list. is ignored except in command identifiers. e.g. '*C LS' is not equivalent to '*CLS'. <WHITE SPACE> is defined as character codes 00H to 20H inclusive with the exception of the NL <WHITE SPACE> character (0AH). The high bit of all characters is ignored. ...

Page 23

... Tenma 72-6851 & 72-6853 Instruction manual Sequential command. ∗ESE? Operation complete message generated immediately after <rmt> is sent. Returns the value in the Standard Event Status Enable Register in <nr1> numeric format. The syntax of the response is: Example. If the Standard Event Status Enable Register contains 01000001b the response to ∗ ...

Page 24

... Tenma 72-6851 & 72-6853 Instruction manual ∗OPC Sequential command. Operation complete message generated immediately after execution. Sets the Operation Complete bit (bit 0) in the Standard Event Status Register. This will happen immediately the command is executed because of the sequential nature of all operations. ...

Page 25

... Tenma 72-6851 & 72-6853 Instruction manual ∗SRE <nrf> Sequential command. Operation complete message generated immediately after execution. Set the Service Request Enable Register to <nrf>. If the value of <nrf>, after rounding, is less than 0 or greater than 255 an execution error is generated and error number 119 (Value out of range) is placed in the Execution Error Register. ∗ ...

Page 26

... Tenma 72-6851 & 72-6853 Instruction manual Instrument Specific Commands The commands in this section are additional to those specified by IEEE Std. 488.2 as Common Commands. VV <nrf> Sequential command. Operation complete message is generated once the new output voltage has settled to within ± 3 digits the required value. If the voltage fails to settle within 5 seconds the Operation Time-out Error (bit 3 in the Standard Event Status Register) will be set and the operation complete message will then be generated ...

Page 27

... Tenma 72-6851 & 72-6853 Instruction manual I? Sequential command Operation complete message generated immediately after <rmt> is sent. Returns the current limit in Amps in <nr2> numeric format. The syntax of the response is Example: If the current limit is 1·000 Amps the response to the command I? will be OVP? Sequential command. Operation complete message generated immediately after < ...

Page 28

... Tenma 72-6851 & 72-6853 Instruction manual DELTAV? Sequential command Operation complete message generated immediately after <rmt> is sent. Returns the delta voltage value in Volts in <nr2> numeric format. The syntax of the response is Example: If the delta voltage is 0·55 Volts the response to the command ...

Page 29

... Tenma 72-6851 & 72-6853 Instruction manual DECI Sequential command Operation complete message generated immediately after execution. Decrement the set current by the delta current value. If the value of the set current is outside the range for the specified output the value is set to the minimum value allowed, no error is generated ...

Page 30

... Tenma 72-6851 & 72-6853 Instruction manual QER? Sequential command Operation complete message generated immediately after <rmt> is sent. Returns the value in the Query Error Register in <nr1> numeric format. The register is then cleared. The syntax of the response is BUZZER <nrf> Sequential command Operation complete message generated immediately after execution. ...

Page 31

... Tenma 72-6851 & 72-6853 Instruction manual Remote Command Summary - Common Commands ∗CLS Clear Status. ∗ESE <nrf> Set the Standard Event Status Enable Register to the value of <nrf>. ∗ESE? Returns the value in the Standard Event Status Enable Register. ∗ESR? Returns the value in the Standard Event Status Register. ...

Page 32

... Tenma 72-6851 & 72-6853 Instruction manual Remote Command Summary - Other commands V <nrf> Set the output voltage to <nrf>. VV <nrf> Set the output voltage to <nrf> and verify. I <nrf> Set current limit to <nrf>. OVP <nrf> Set OVP to <nrf>. V? Returns the set voltage in Volts. I? Returns the current limit in Amps. ...

Page 33

TEST EQUIPMENT 405 Pioneer Blvd. Springboro, Ohio 45066 Book Part No. 48511-0450 Issue 2 ...

Related keywords