NF ZM2376 Instruction Manual
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NF ZM2376 Instruction Manual

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LCR METER
ZM2376
Instruction Manual
(Alternative Commands)
NF Corporation

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Summary of Contents for NF ZM2376

  • Page 1 LCR METER ZM2376 Instruction Manual (Alternative Commands) NF Corporation...
  • Page 3 DA00042210-001 LCR METER ZM2376 Instruction Manual (Alternative Commands)
  • Page 5 This instruction manual describes the alternative commands of ZM2376.  The following instruction manuals are provided for ZM2376.  ZM2376 Instruction Manual (Basics) This manual describes basic items such as how to operate ZM2376 from the panel, specifications, and maintenance.  ZM2376 Instruction Manual (Remote Control) This manual describes the remote control of ZM2376.

  • Page 6: Table Of Contents

    Table 3-2 Subsystem command list (operation mode 1) ················································ 5 Table 5-1 Status byte register definitions ·································································· 27 Table 5-2 Standard event status register contents ······················································ 29 Table 5-3 Event status register 0 contents ································································ 32 Table 5-4 Event status register 1 contents ································································ 32 ZM2376...

  • Page 7: Preparations Before Use

    1． PREPARATIONS BEFORE USE 1.1 Outline of Operation Mode 1 In ZM2376, you can switch the operation mode to use the alternative command instead of the standard command. Use the operation mode 1 when the alternative command is easier to use for you.

  • Page 8: Initial Value (Operation Mode1)

    Set when initialization is executed with the initialize menu ( SHIFT + [INIT]). *RST Set when *RST command of remote control is executed ← Same as left (initial values) × Function not provided. (No influence)  Function provided.  Function provided. However, it is saved independently from general resume target (). ZM2376...

  • Page 9: Response To Interface Message

    Selects the local state. < Group Execute Trigger > Executes the trigger. Same function as *TRG command. How to send an interface message from the controller is different depending on the device driver. For details, see the manual of each driver. ZM2376...

  • Page 10: Alternative Command List And Command Tree

    3．ALTERNATIVE COMMAND LIST AND COMMAND TREE 3． ALTERNATIVE COMMAND LIST AND COMMAND TREE ZM2376 alternative commands are separated into the common commands defined by IEEE488.2 and subsystem commands which reflect instrument-specific functions. The common commands and subsystem commands provided by ZM2376 are listed below.
  • Page 11 (Enables signal level limit. Always off) :LIMiter:CURRent (Signal current limiting value. Always maximum value) :LIMiter:VOLTage (Signal voltage limiting value. Always maximum value) :LOAD Recalls settings and correction value :MEASure? Reads measured value :MEASure:ITEM Specifies measured value to be read ZM2376...
  • Page 12 Supplement: A command that makes inquiry is called “query” and it ends with a question mark. The operation mode 1 (alternative command mode) does not support most queries. Queries not described in this table or detailed explanation below cannot be used. ZM2376...
  • Page 13 3．ALTERNATIVE COMMAND LIST AND COMMAND TREE The subsystem command tree of ZM2376 is shown below. Command tree (operation mode 1) <Root> :APPLication :DISPlay :LIGHt :MONItor :AVERaging :BEEPer :COMParator :KEY :CABLe :COMParator :FLIMit :ABSolute :DEViation :MODE :PERcent :SLIMit :ABSolute :DEViation :MODE...

  • Page 14: Alternative Command Explanation

    :COMP:FLIM:DEV 2.2E-6, -3, +3 ; MODE PER In the second command string, :COMP:FLIM: is omissible In both cases, the program message terminator at the end is omitted. ZM2376...

  • Page 15: Keywords Simplification

    Use *WAI, *OPC, and *OPC? commands when you do not want to execute the following commands or query until the execution of overlap commands finished. The commands given below are overlap commands. Other commands are all sequential commands. Overlap commands : :CORRection:OPEN :CORRection:SHORt ZM2376...

  • Page 16: Alternative Command Details

    • Character strings in quotation marks are accepted in single or double quotation marks. [Remarks] • Both commands and queries are called commands here. The keyword attached with “?” at the end is a query. • Response messages to commands do not come with headers. They cannot have headers. ZM2376...

  • Page 17: Common Commands

    The query clears all the standard event status register bits to 0. Response: <register contents> {numeric value, format NR1, range 0 to 255}  "5.3 Standard Event Status" Details • • • Query example: *ESR? Response example: +128 The content of standard event status register is 128. ZM2376...
  • Page 18 Queries the model name etc. Response: {"<name of manufacturer>, <model name>, <serial number>, <firmware version>"} format SRD Query example: *IDN? Response example: "NF Corporation,ZM2376,9055552,Ver1.00" *OPC *OPC? Description: Confirms that the execution of all the preceding commands is completed. Setting example: *OPC Makes setting so that OPC bit of standard event status register is set to “1”...
  • Page 19 Apply the trigger. *TST? Description: Queries the self-diagnosis results. ZM2376 conducts the self-diagnosis and returns its result. Response: {numeric value, format NR1, range 0 to 4} 0: Pass (no abnormality is found) 1: Hardware failed (whole measurement circuits are faulty) 2: Oscillator failed (drive signal source is faulty) 3: Analyzer failed (voltage &...
  • Page 20 Overlap command 1 ; Overlap command 2 ; *WAI ; following command <program message terminator> After the execution of both overlap command 1 and overlap command 2 finished, the following commands are executed. Remarks: The waiting caused by the *WAI command can be canceled with device clear. ZM2376...

  • Page 21: Alternative Subsystem Commands

    (OFF) regardless of parameters. :CABLe <cable length> Description: Sets the cable length. Parameter: <cable length> {numeric value, range 0, 1, 2, 4, unit: m} A numeric value is rounded to 0 (initial value), 1, 2, or 4, whichever nearest. ZM2376...
  • Page 22 PERcent Specifies the deviation % display and comparison. (Absolute value display and deviation % comparison cannot be combined) DEViation Specifies the deviation % display and comparison. :COMParator:FLIMit:PERcent <reference value>, <lower limit value>, <upper limit value> Description: Same as :COMParator:FLIMit:DEViation. ZM2376...
  • Page 23 PERcent Specifies the deviation % display and comparison. (Absolute value display and deviation % comparison cannot be combined) DEViation Specifies the deviation % display and comparison. :COMParator:SLIMit:PERcent <reference value>, <lower limit value>, <upper limit value> Description: Same as :COMParator:SLIMit:DEViation. ZM2376...
  • Page 24 Using the ?ESR query to frequently check the OPC bit of the standard status register increases internal processes to slow down the operation. Using the OPC bit to generate SRQ causes an overhead by the SRQ processing. This method is not recommended except for simultaneous measurement with two or more instruments. ZM2376...
  • Page 25 Normal measurement was finished (same as the bit 2) 0(LSB) Correction value measurement was finished Remarks: Initial value of mask is 0. If a bit is set to 1, the summary bit ESB0 of the status byte is set to 1 when the corresponding event occurs. ZM2376...
  • Page 26 <frequency> {numeric value, range 20E-3 to 5.5E+6, unit: Hz} Initial value 1kHz. :IO:OUTPut:DELay <delay time> Description: Sets the delay time from /INDEX to /EOM (0 to 0.0999 s). This command is accepted, but the delay is constant (100µs min) regardless of the parameter. ZM2376...
  • Page 27 <voltage> {numeric value, range 0.010 to 5.00, unit: Vrms} Common to the open voltage level. A separate setting is not possible. Setting one overwrites the other. :LEVel:VOLTage <voltage> Description: Sets the open voltage level. Parameter: <voltage> {numeric value, range 0.010 to 5.00, unit: Vrms}. Initial value 1Vrms. ZM2376...
  • Page 28 Sets the limiting value of the signal voltage (0 to 5 Vrms). This command is accepted, but the voltage limit is always 5Vrms regardless of the parameter. :LOAD <memory number> Description: Recalls the settings and correction values from the specified memory. Parameter: <memory number> {numeric value, range 0 - 31} ZM2376...
  • Page 29 Specifies the response parameter by bits in binary notation. The measured values corresponding to bits set to 1 are output. The output order is from LSB of MR0 to MSB of MR1. (MSB) (LSB) θ Initial value is 5, 0 (output in the order of Z, θ). ZM2376...
  • Page 30 The measurement range may be limited automatically depending on the measurement conditions such as frequency. Initial value is 4: 100Ω. :RANGe:AUTO {ON|OFF} Description: Sets the automatic selection of the measurement range. Parameter: Enables the automatic selection. (Initial value) OFF Disables the automatic selection. ZM2376...
  • Page 31 :USER:IDENtity <ID> :USER:IDENtity? Description: Sets/Queries the user ID. This command is accepted, but nothing is set. Parameter: <ID> {string, format CRD, number of characters: maximum 256 characters} Always returns the string NF-nnnnnnn (10 characters). Response: nnnnnnn contains 7-digit serial number. ZM2376...

  • Page 32: Status System

    Output queue Always at 0 Always at 0 Status byte Service arequest generated register &: Logical AND & & & & & & & Service request 7 6 5 4 3 2 1 0 enable register Figure 5-1 Status system ZM2376...

  • Page 33: Status Byte

    If at least one valid bit is set to 1, the service request is generated. The parameter value of the setting message or response message to each register is the sum of the weight of all the bits having 1 as the value. ZM2376...
  • Page 34 MAV bit, after the query was transmitted, check by serial polling that the MAV bit of status byte becomes 1, and then read the response message, and after checking that the MAV bit becomes 0, perform the next operation. ZM2376...

  • Page 35: Standard Event Status

    Set to 1 when a readout has been attempted on an empty response message output buffer or when the response message output buffer data has been lost. Request control Always at 0 (unused). Operation complete Set to 1 when a processing of all commands up to *OPC command completed. ZM2376...
  • Page 36 Set to 0 to clear the enable register to 0. Cannot be cleared by any other command. Cleared to 0 upon powering on. The parameter value of the setting message or response message to each register is the sum of the weight of all the bits having 1 as the value. ZM2376...

  • Page 37: Extension Event Status

    The condition register shows the status of ZM2376. The transition filter detects a condition change and generates an event. The filter setting of ZM2376 is fixed. The event status register holds the occurred event. When bits of the event status enable register 0 are set to 1, the corresponding bits of the event status register 0 become valid.
  • Page 38 The parameter value of the setting message or response message to each register is the sum of the weight of all the bits having 1 as the value (decimal notation). Frequent status queries may slow down the normal operation of the instrument. ZM2376...

  • Page 39: Trigger System

    1) Panel TRIG key 2) Handler interface trigger signal 3) *TRG, GET Trigger delay Other than the last step (:TRIG:DEL) in multi-measurement sequence mode Measurement once Figure 6-1 Trigger system In the operation mode 1, the multi-measurement operation is not guaranteed. ZM2376...
  • Page 40 6．TRIGGER SYSTEM Here are typical examples in which a trigger is applied to ZM2376 to execute measurement once to obtain the measured result, and this operation is repeated.The *TRG command and :MEASure? query are used. <Power ON> ' Perform initialization and settings, if necessary.

  • Page 41: Error Messages

    7．ERROR MESSAGE 7． ERROR MESSAGE Error messages at the remote control in the operation mode 1 are the same as the operation mode 0. For details of error messages, see the separate manual “ZM2376 Instruction Manual (Remote Control)”. ZM2376...
  • Page 42 However, we assume no responsibility for any damage regarding the contents of the instruction manual. If you have any uncertainty or you found an error or omission, please contact NF Corporation or one of our representatives from which you purchased the product.
  • Page 45 NF Corporation http://www.nfcorp.co.jp/ 6-3-20 Tsunashima Higashi, Kohoku-ku, Yokohama 223-8508 JAPAN...

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