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10.

OPERATION FAILURES

・

If the PW-A power supply unit becomes faulty, check the following matters.

Phenomenon Possible

cause

Action

AC cable is not connected
securely or is broken.

Connect the AC cable securely.
Or, replace the broken AC cable.

Input AC voltage is too high.
Or, the fuse has blown due
to an error in the PW-A
power supply unit.

Replace the fuse. Adjust the AC voltage
with the switches on the bottom properly.

Power is not turned on
though power switch is
thrown. (LED on front panel
does not go on.)

Input AC voltage is too low.

Adjust the AC voltage with the switches
on the bottom properly.

External alarm function is
turned on through external
contact control.

Open pin 1 (or 3) and 2 of the external
contact control connector.

Current is set to 0.00 A in
the CC mode.

Increase the set current.

No voltage is output even if
the MAIN OUTPUT key
switch is pressed.

The OUTPUT SELECT key
is not selected.

The OUTPUT SELECT key of an
intended channel is not pressed.

MAIN OUTPUT key switch
may not be shut off.

External output function is
turned on through external
contact control.

Open pin 3 (or 1) and 8 of the external
contact control connector.

Commercial frequency noises
are detected due to low AC
voltage.

Adjust the AC voltage with the switches
on the bottom properly.

Output voltage is unstable
or excessive noises are
input.

There is a strong magnetic
field or electrical field nearby.

Move the unit apart from the equipment,
which may produce the magnetic or
electrical field. Twist the wires.

・

If the phenomenon is not shown above or does not disappear even though the above-shown

actions are taken, contact the nearest dealer.

Содержание PW16-2ATP

Страница 1: ...UPPLY UNITS PW A SERIES PW8 3AQP PW8 3ATP PW8 5ADPS PW16 2ATP PW16 5ADP PW18 1 3AT S PW18 1 8AQ PW18 2ATP PW18 3AD PW18 3ADP PW24 1 5AQ PW26 1AT S PW36 1 5AD PW36 1 5ADP OPTIONAL INTERFACE UNITS FOR P...

Страница 2: ......

Страница 3: ...onments 19 4 PANELS 20 4 1 Front Panel 20 4 2 Rear Panel 23 4 3 Bottom Plate 24 5 GENERAL INSTRUCTIONS 25 5 1 Output Terminals of Each Channels and Key Switches 25 5 2 Turning On Power 27 5 2 1 Displa...

Страница 4: ...ey 40 6 7 Usage of Remote Sensing Function PW18 1 3ATS PW26 1ATS PW8 5ADPS only 41 7 EXTERNAL CONTACT CONTROL 42 7 1 Outline of Functions 42 7 2 Specifications of External Contact Control Connector 42...

Страница 5: ...ils of Commands 62 9 7 1 Setting unit to be controlled 62 9 7 2 Setting voltage or current 62 9 7 3 Activating or deactivating tracking function 63 9 7 4 Selecting output to be used in tracking mode 6...

Страница 6: ...o the ST5 command 71 9 7 28 Sending power supply data Response to the PWID command 71 9 7 29 Sending address of controlled unit IF 41GU IF 41USB only 71 9 7 30 Sending addresses of all connected slave...

Страница 7: ...product show the warning and caution items required to safely use the product The following pictorial indication and warning character indication are provided Pictorial indication Some part of this p...

Страница 8: ...or 120V is to be changed into 220V or 230V power cord need to be changed About Grounding Be sure to connect the ground wire of the three wire power cable supplied with the product or the ground termin...

Страница 9: ...sed for a long period of time disconnect the AC power cable from the AC outlet Calibration The product has been inspected under strict quality control before shipment It is however subject to change i...

Страница 10: ...with its performance and specifications stable For consultation about the product calibration call the dealer or the company or each sales office where you bought the product Daily maintenance When yo...

Страница 11: ...and voltage values from the computer 1 3 Features 1 3 1 PW A power supply unit The tracking function may vary the voltage and current of each channel at he same ratio or by an absolute value It may b...

Страница 12: ...supply unit s 1 3 3 IF 41GU Option The IF 41GU is an optional board which features higher transmission rate than the IF 41RS and may control more power supply units simultaneously It is connected with...

Страница 13: ...voltage CC characteristics 2mA Input variation For 10 variation of source voltage 5mA Load variation For 0 to 100 variation 1 5mA Ripple noise Measured in the RMS method using 5Hz to 1MHz signals Temp...

Страница 14: ...voltage CC characteristics 2mA Input variation For 10 variation of source voltage 5mA Load variation For 0 to 100 variation 1 5mA Ripple noise Measured in the RMS method using 5Hz to 1MHz signals Tem...

Страница 15: ...eristics 2mA Input variation For 10 variation of source voltage 5mA Load variation For 0 to 100 variation 1 5mA Ripple noise Measured in the RMS method using 5Hz to 1MHz signals Temperature coefficien...

Страница 16: ...teristics 2mA Input variation For 10 variation of source voltage 5mA Load variation For 0 to 100 variation 1 5mA Ripple noise Measured in the RMS method using 5Hz to 1MHz signals Temperature coefficie...

Страница 17: ...ristics 2mA Input variation For 10 variation of source voltage 5mA Load variation For 0 to 100 variation 1 5mA Ripple noise Measured in the RMS method using 5Hz to 1MHz signals Temperature coefficient...

Страница 18: ...2mA Input variation For 10 variation of source voltage 5mA Load variation For 0 to 100 variation 1 5m A Ripple noise Measured in the RMS method using 5Hz to 1MHz signals Temperature coefficient 150 p...

Страница 19: ...variation For 10 variation of source voltage 5mA Load variation For 0 to 100 variation 1 5mA Ripple noise Measured in the RMS method using 5Hz to 1MHz signals Temperature coefficient 150 ppm at rated...

Страница 20: ...2mA Input variation For 10 variation of source voltage 5mA Load variation For 0 to 100 variation 1 5mA Ripple noise Measured in the RMS method using 5Hz to 1MHz signals Temperature coefficient 150 ppm...

Страница 21: ...voltage CC characteristics 2mA Input variation For 10 variation of source voltage 5mA Load variation For 0 to 100 variation 1 5mA Ripple noise Measured in the RMS method using 5Hz to 1MHz signals Tem...

Страница 22: ...cteristics 2mA Input variation For 10 variation of source voltage 5mA Load variation For 0 to 100 variation 1 5mA Ripple noise Measured in the RMS method using 5Hz to 1MHz signals Temperature coeffici...

Страница 23: ...istics 2mA Input variation For 10 variation of source voltage 5mA Load variation For 0 to 100 variation 1 5mA Ripple noise Measured in the RMS method using 5 Hz to 1 MHz signals Temperature coefficien...

Страница 24: ...cs 2mA Input variation For 10 variation of source voltage 5mA Load variation For 0 to 100 variation 1 5mA Ripple noise Measured in the RMS method using 5Hz to 1MHz signals Temperature coefficient 150...

Страница 25: ...variation For 10 variation of source voltage 5mA Load variation For 0 to 100 variation 1 5mA Ripple noise Measured in the RMS method using 5Hz to 1MHz signals Temperature coefficient 150 ppm at rated...

Страница 26: ...characteristics 2mA Input variation For 10 variation of source voltage 5mA Load variation For 0 to 100 variation 1 5mA Ripple noise Measured in the RMS method using 5Hz to 1MHz signals Temperature coe...

Страница 27: ...istance Primary casing primary secondary 10M or more at DC500V Secondary casing 5M or more at DC250V To earth voltage DC250V Frame dimensions mm 138 W x 124 H x 380 D Max dimensions mm 140 W x 147 9 H...

Страница 28: ...the same as those of the local bus PW bus Communication Specifications of IF 41GU GP IB Block GP IB Electrical specifications Conforms to IEEE488 1978 Mechanical specifications Conforms to IEEE488 19...

Страница 29: ...otential difference may be produced between the frame GND and output terminals and COM terminal If the frame GND and output terminals or COM terminal are shorted in this condition the PW A unit and or...

Страница 30: ...of the seven segment LEDs indicated by a red LED below it with the rotary encoder 16 2 Current indicator 4 digit red LEDs Indicates the set current output current percentage of the tracking current d...

Страница 31: ...he details of the delay function see section 6 3 Delay Functions below 9 MAIN OUTPUT key Red Turns on or off a channel selected with the OUTPUT SELECT key 10 For details see section 6 2 Output Functio...

Страница 32: ...mode or tracking operation setting mode Every press of this key changes the mode of the voltage indicator 1 and current indicator 2 from the voltage and current display mode to the delay time setting...

Страница 33: ...mmercial AC power to the unit 25 Fuse holder There is a primary side protection fuse in the fuse holder 26 Air outlet port A fan exhausts air through this port 27 External contact control connector J1...

Страница 34: ...elector switches 1 and 4 These switches change the voltage of AC power source 100V 115V 200V or 230V For the procedures of changing the AC source voltage see section 5 4 Changing Source Voltage below...

Страница 35: ...series other than the PW8 5ADPS Those enclosed in parentheses show the key and terminal of a 3 channel power supply unit The keys and terminals of the PW8 5ADPS are as shown below Fig 4 Positions of O...

Страница 36: ...6 1 5AD COM of A B PW18 3ADP COM of A B PW18 2ATP COM of output C Output C COM of A B PW16 5ADP COM of A B PW8 3ATP COM of output C Output C COM of A B PW26 1AT S COM of output C Output C COM of A B P...

Страница 37: ...PW36 1 5AD 4 PW8 3AQP 11 PW18 3ADP 5 PW16 2ATP 12 PW18 2ATP 6 PW8 5ADPS 13 PW16 5ADP 7 PW24 1 5AQ 14 ID number 4 The interface board is not installed The interface board IF 41GU is installed The inte...

Страница 38: ...he previous version before 10 07 2 This function is applicable to the products with software ROMs of version 3 00 and later versions 3 Only when the continual operation of DELAY is turned on the state...

Страница 39: ...he power cable to the AC power inlet securely Changing the source voltage 1 Make sure that the AC power cable is disconnected from the unit 2 Select the intended source voltage with the switches on th...

Страница 40: ...the output is turned off When the PW A unit is used to charge a battery connect a diode in series as shown in Fig 8 below to prevent electric charge of the load from being discharged to the output of...

Страница 41: ...be changed with the DIGIT key 4 Set a voltage value with the rotary encoder 6 1 3 Current setting procedures Operation procedures 1 Press the DISPLAY STATUS key of a channel whose current should be s...

Страница 42: ...n green in the CV mode or in red in the CC mode If an OUTPUT SELECT key that is lit in green or red is pressed while the MAIN OUTPUT key is on the LED of the pressed key goes out and the channel of th...

Страница 43: ...The normal delay function is selected when OFF is displayed The reverse delay function is selected when On is displayed 3 The setting is stored in the built in memory and the normal display is restore...

Страница 44: ...f the MAIN OUTPUT key is pressed while it is blinking red the key goes out and the output On operation discontinues The DELAY key which is lit green also goes out 6 3 5 Turing on output with delay fun...

Страница 45: ...c Set delay time 4 sec Set delay time 6 sec Set delay time 8 sec Different from the normal operation the channel whose delay time is the longest is turned off when the MAIN OUTPUT key is turned off Ti...

Страница 46: ...controlled The LED of the key is lit in green Every time the key is pressed the LED goes out is lit in green lit in red and goes out in this sequence A channel with the LED lit in green is controlled...

Страница 47: ...tors while the MAIN OUTPUT key is on However rotation of the rotary encoder changes the values displayed in the percentage mode The set values are displayed in percentage when the LIMIT key is pressed...

Страница 48: ...ey The LED of the PRESET key pressed in step 1 blinks in green When the PRESET key whose LED is blinking in green is pressed the LED is lit up in green and the set voltage and current are stored in th...

Страница 49: ...ed The LED of the PRESET key blinking in green goes out and the LED of the pressed PRESET key is lit up in green The set voltage and current are copied in the preset memory whose LED is lit in green 6...

Страница 50: ...tput to the PW A unit through the IF 41GU IF 41RS or IF 41USB in the remote mode the LED of the KEY LOCK LOCAL key is lit up in red and panel operations are disabled If the KEY LOCK LOCAL key is press...

Страница 51: ...g tubes Be sure to turn off output when connecting the lead wires to the sensing terminals Otherwise the sensing terminal may be short circuited with the output terminal resulting in a failure since t...

Страница 52: ...n when short circuited with pin 3 8 Used for main output operation when short circuited with pin 3 Connect the lead wires with connectors supplied with the PW A unit with the connector J1 If it is nec...

Страница 53: ...heat alarm occurs pin 2 shown in Fig 14 goes Low The OHA function may be checked with a voltmeter connected as shown in Fig 14 7 3 4 Inputting alarm signal through external contacts It is possible to...

Страница 54: ...lowable currents that may flow through the loads shown on the figure on the left are as shown below Load A 0V to 36V 0A to 1 8A Load B 0V to 14V 0A to 1A Load C 0V to 26V 0A to 1 8A Load D 0V to 24V 0...

Страница 55: ...Dual Pole Same Pole Connection COM2 6V Load Load Load 18V 18V COM1 GND COM2 Load 6V COM1 0V to 36V 0A to 1 3A Load 18V 18V GND COM2 Load 6V The allowable current that may flow through the loads A and...

Страница 56: ...d ST0 to 5 when an OHA occurs in it or an alarm is input to it through the external contacts 9 1 Connecting IF 41RS It is possible to connect a maximum of four PW A power supply units with the IF 41RS...

Страница 57: ...odular conversion cable As shown in Fig 21 a maximum of three PW A or PWR power supply units may be connected with the slave unit connected with the computer using modular cables Any models may be con...

Страница 58: ...oder and setting of the voltage and current using PRESET 1 to 4 are executed together in the master operation the voltages and currents of the master unit and slave units become different Change the v...

Страница 59: ...the slave units Precautions Be sure to connect the RT 63 with the PW A units in the condition where the power switches of the PW A units are off The OUTPUT PROTECT key of the RT 63 is invalid for the...

Страница 60: ...cannot be connected For the address setting procedures see sections 9 3 2 and 9 3 3 Be sure to turn on the local bus master unit after turning all other slave units 9 2 1 Remote control through GP IB...

Страница 61: ...ted with the local bus S1 is the switch for turning on or off the terminal resistance Pressing up the lever switch S1 is on state Depress the lever switch S1 in case of the power supply with IF 41GU o...

Страница 62: ...d are displayed on the voltage and current indicators it is possible to set the system address 2 Change the value with the rotary encoder and press the MEMORY key The value is stored When the PW A pow...

Страница 63: ...computer and need not be specified In GP IB control a unit having the PC address of 31 runs in the listen only mode 9 4 Transmission and Reception Procedures Using IF 41RS without using GP 620 ASCII7...

Страница 64: ...by a PW A power supply unit must have the structure shown in example 1 when the PW A power supply unit is allowed to send a response message or service request Precautions Do not put any spaces among...

Страница 65: ...II code Example 2 Message in example 1 Example 3 Selecting PRESET 1 of the slave unit having the system address of 1 and turning on the main output key using multi commands Example 4 When signals for...

Страница 66: ...ect even though the message contains a syntax error or out of range error The slave unit sends a negative acknowledge to the master unit if the relationship between the characters and block check char...

Страница 67: ...sends a command requiring a response message to the slave unit Otherwise signal collision may occur in the PW A transmission path 9 4 4 Acknowledge or negative acknowledge to slave units The master un...

Страница 68: ...g a response message From the master unit to the slave unit From the slave unit to the master unit ENQ Destination address ETX BCC1 Block check characters See 9 4 1 Command Requested message See the c...

Страница 69: ...does not warrant their performances and may not provide support services in some cases Delimiters The following delimiters of the commands sent to the PW A units are valid LF only CR LF LF EOI CR LF...

Страница 70: ...eceive a message to the local bus master The local bus master may store a maximum of 32 messages Data is overwritten from older one if no message is received Before sending a message monitor the statu...

Страница 71: ...1USB has a lot of response messages Thus some messages may be lost unless all of these response messages are received The IF 41GU IF 41USB may store a maximum of 32 response messages When it receives...

Страница 72: ...9 7 2 Setting voltage or current These commands set the voltages and currents of PRESET 1 to PRESET 4 If the PW A power supply unit is turned off and turned on then the voltages and currents set in P...

Страница 73: ...nction is activated immediately after the TO1 command is executed the absolute value tracking mode is selected Specify the correct tracking mode with the TM command shown in 9 7 5 and change the volta...

Страница 74: ...n integer parameter is input the method of converting it differs with the tracking mode setting Example 11 Absolute tracking mode Percentage tracking mode 0001 0 01 V or A 0001 0 1 0010 0 10 V or A 00...

Страница 75: ...order of the commands It is recommended that the SW1 command should be sent independently without using the multi command function 9 7 8 Turning on off OUTPUT SELECT key Turns on or off the OUTPUT SE...

Страница 76: ...nel DS4 Displays the voltage and current of d channel 9 7 12 Selecting preset memory PR0 PR1 PR2 PR3 The PR command selects from which preset memory to recall data PRESET 1 to PRESET 4 PR0 PRESET 4 PR...

Страница 77: ...L key is not functional if the LL1 command has been issued The LC1 command may only bring the PW A unit into the local mode The GP IB messages REN LL0 and GTL are invalid for the PW A unit 9 7 17 Disa...

Страница 78: ...on above 9 7 19 Checking controlled unit PW The PW command checks the addresses of the slave units currently specified as the units to be controlled This command is valid only when the IF 41GU IF 41U...

Страница 79: ...he third decimal place is rounded off The value is multiplied by 100 The value is always displayed in a four digit integer Example 15 1 000 is expressed as 0100 12 340 is expressed as 1234 and 12 345...

Страница 80: ...nnel in PRESET 2 set current of A channel in PRESET 2 set voltage of B channel in PRESET 2 set current of B channel in PRESET 2 set voltage of C channel in PRESET 2 set current of C channel in PRESET...

Страница 81: ...9 7 27 Sending all preset values Response to the ST5 command Data in all preset memories requested by the ST5 command are sent in real numbers The message format is the same as MS1 shown in 9 7 23 9 7...

Страница 82: ...on is enabled by the SR1 command and the constant voltage CV mode changes into the constant current CC mode or the constant current mode changes into the constant voltage mode Always 0 if no channels...

Страница 83: ...hannels GA GB GC GD 63 5 Tracking mode Absolute or Absolute TM 63 6 Tracking voltage setting Tracking current setting EA to ED IA to ID 64 7 MAIN OUTPUT OFF SW0 1 65 8 OUTPUT SELECT All OFF OA OB OC O...

Страница 84: ...t control connector Current is set to 0 00 A in the CC mode Increase the set current No voltage is output even if the MAIN OUTPUT key switch is pressed The OUTPUT SELECT key is not selected The OUTPUT...

Страница 85: ...75 11 OUTSIDE DIMENSIONS V sec A 18 4 380 4 5 137 1 5 1 5 8 5 124 15 4 138...

Страница 86: ...1850 1 Tsuruma Machida shi Tokyo 194 0004 Japan http www texio jp...

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