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How can I check the firmware version of my YOKOGAWA DLM6104?
You can check the firmware version of your YOKOGAWA DLM6104 on the overview screen. For instructions on how to open the overview screen, see section 18.4 in the User’s Manual IM 701331-01E.
What are the functions of the front panel keys related to the communication interface on the YOKOGAWA DLM6104?
The relevant front panel keys for the communication interface are:
SYSTEM key: Press this key to select the communication interface (USB, Ethernet, or GP-IB).
SHIFT + CLEAR key: Press this key to clear the remote mode (controlled via communications) and enter the local mode, in which key operations are enabled. However, this action is invalid if the instrument has been set to Local Lockout mode by the controller.
How do I switch between remote and local modes on the YOKOGAWA DLM6104?
Switching from Local to Remote Mode:
The YOKOGAWA DLM6104 switches to remote mode when it receives a specific command from the PC, depending on the interface:
• USB: “:COMMunicate:REMote ON” command.
• Ethernet: “:COMMunicate:REMote ON” command.
• GP-IB: A REN (Remote Enable) message.
When in remote mode:
• “REMOTE” is displayed in the center of the upper section of the screen.
• All keys except the SHIFT + CLEAR key are disabled.
• Settings entered in local mode are retained.
Switching from Remote to Local Mode:
Pressing SHIFT + CLEAR in remote mode puts the instrument in local mode. This is void if the instrument has received a “:COMMunicate:LOCKout ON” command (for USB/Ethernet) or has been set to Local Lockout mode (for GP-IB) by the controller.
Alternatively, for the USB and Ethernet interfaces, the instrument will switch to local mode when it receives a “:COMMunicate:REMote OFF” command, regardless of the local lock condition.
When switching to local mode:
• The “REMOTE” indication on the screen disappears.
• Key operations are enabled.
• Settings entered in remote mode are retained.
How do I set up the USB interface on my YOKOGAWA DLM6104?
Follow these steps to set up the USB interface for remote control:
1. Press the UTILITY key on the front panel.
2. Press the Remote Control soft key.
3. Press the USB soft key.
4. To remotely control the YOKOGAWA DLM6104 using communication commands through the USB port, select USBTMC.
5. Enable the setting by restarting the YOKOGAWA DLM6104. You must restart the device to activate the TMC or Mass Storage setting. Wait at least 10 seconds after turning the power switch OFF, then turn it back ON.
Note:
• Only the communication interface selected by Remote Control is enabled. The device does not accept commands transmitted to other unselected interfaces.
• You must install YOKOGAWA’s TMC (Test and Measurement Class) driver on your PC.
• The USB interface cannot be used simultaneously with another interface (Ethernet or GP-IB).
What are the specifications of the USB interface for the YOKOGAWA DLM6104?
Electrical and mechanical specifications: Conforms to USB Rev. 2.0
Connector: Type B connector (receptacle)
Number of ports: 1
Power supply: Self-powered
PC system supported: PC running Windows 2000 or Windows XP with a standard USB port (a separate device driver is needed).
The table below shows the reference response times for outputting analog signal waveform data.
| Number of Data Points | Word Data | ASCII Data |
|---|---|---|
| 2500 | Approx. 51 ms | Approx. 0.469 s |
| 125000 | Approx. 193 ms | Approx. 22.766 s |
| 1250000 | Approx. 1606 ms | Approx. 224.890 s |
| 2500000 | Approx. 3188 ms | Approx. 451.297 s |
| 6250000 | Approx. 7841 ms | Approx. 1127.625 s |
The table below shows the reference response times for outputting logic signal waveform data.
| Number of Data Points | Word Data | ASCII Data |
|---|---|---|
| 2500 | Approx. 78 ms | Approx. 0.141 s |
| 125000 | Approx. 625 ms | Approx. 3.516 s |
| 1250000 | Approx. 5547 ms | Approx. 34.531 s |
| 2500000 | Approx. 11156 ms | Approx. 69.375 s |
| 6250000 | Approx. 27812 ms | Approx. 173.266 s |
What precautions should be taken when making connections via the USB interface on the YOKOGAWA DLM6104?
• Connect the USB cable by inserting the connector firmly into the USB connector.
• When connecting multiple devices using USB hubs, connect the device to the USB hub that is closest to the controller.
• Do not insert the USB cable into the GO/NO-GO output terminal. If you do, the instrument may malfunction.
How do I set up the Ethernet (Network) interface on my YOKOGAWA DLM6104?
To configure the network settings for remote control, follow these steps:
1. Press the UTILITY key.
2. Press the Remote Control soft key.
3. Press the Network or Network(VXI-11) soft key to display the menu.
From this menu, you can configure the following:
• Select interface: Choose to use either the Ethernet or VXI-11 interface.
• User Name: Set the user name using up to 30 characters. The default is “anonymous”.
• Password: Set the password using up to 30 characters.
• Timeout Value: Set the period of time after which the YOKOGAWA DLM6104 will disconnect from the controller if it is not accessed.
You must also specify TCP/IP settings such as IP address, subnet mask, and default gateway. User names and passwords are case-sensitive.
What are the specifications of the Ethernet/VXI-11 interface on the YOKOGAWA DLM6104?
Electrical and mechanical specifications: IEEE802.3 compliant
Simultaneous connections: 1
Port number:
• Ethernet: 10001/tcp
• VXI-11: 10240/tcp, 10250/tcp, 111/tcp, and 111/udp
The Ethernet interface also features user authentication for security.
How do I connect the Ethernet cable to my YOKOGAWA DLM6104?
Connect a UTP (Unshielded Twisted-Pair) or STP (Shielded Twisted-Pair) cable that is connected to a hub or other network device to the 100BASE-TX port on the rear panel of the YOKOGAWA DLM6104.
Notes about Connections:
• Be sure to connect the YOKOGAWA DLM6104 to a PC through a hub using straight cables. The device may not operate properly if you connect it to a PC directly using a cross cable.
• If you use UTP cables (straight cables), make sure that they are category 5.
The Ethernet port has two LEDs:
• LINK LED: Illuminates when a link is established between the device and another device.
• ACT LED: Blinks when packets are being sent and received normally.
How do I set up the GP-IB interface on my YOKOGAWA DLM6104?
To set up the GP-IB interface, follow these steps:
1. Press the UTILITY key.
2. Press the Remote Control soft key.
3. Press the GPIB soft key to display the menu.
4. Select GP-IB.
5. Set the address for the device. The address can be set within the range of 0 to 30.
Note: Each device connected via GP-IB must have a unique address. Do not change the address while the controller is communicating with the YOKOGAWA DLM6104 or other devices over the GP-IB.
What precautions should be taken when connecting the GP-IB card to the YOKOGAWA DLM6104?
When connecting the GP-IB card and cables, please observe the following precautions:
• Use the NI PCMCIA-GPIB card by National Instruments.
• Insert the GP-IB card into the PC card slot on the YOKOGAWA DLM6104 first, then turn the device ON.
• When connecting or disconnecting communication cables, make sure to turn OFF the PC and the YOKOGAWA DLM6104 to prevent damage.
• No more than 15 devices, including the controller, can be connected on a single bus.
• Each device must have a unique address.
• Use cables of 2 meters or less for connecting devices.
• The total cable length must not exceed 20 meters.
• At least two-thirds of the devices must be turned ON when communicating.
• Connect multiple devices in a star or linear configuration, not a loop or parallel configuration.
What are the GP-IB interface specifications for the YOKOGAWA DLM6104?
Electrical and mechanical specifications: Conforms to IEEE St’d 488-1978
Protocol: Conforms to IEEE St’d 488.2-1992
Code used: ISO (ASCII) code
Mode: Addressable mode
Address setting: 0 to 30
Functional specifications:
| Function | Subset Name | Description |
|---|---|---|
| Source handshaking | SH1 | Full source handshaking capability |
| Acceptor handshaking | AH1 | Full acceptor handshaking capability |
| Talker | T6 | Basic talker capability, serial polling, untalk on MLA (My Listen Address), and no talk-only capability |
| Listener | L4 | Basic listener capability, unlisten on MTA (My Talk Address), and no listen-only capability |
| Service request | SR1 | Full service request capability |
| Remote local | RL1 | Full remote/local capability |
| Parallel polling | PP0 | No parallel polling capability |
| Device clear | DC1 | Full device clear capability |
| Device trigger | DT0 | No device trigger capability |
| Controller | C0 | No controller capability |
| Electrical characteristics | E1 | Open collector |
How should I handle communication errors with my YOKOGAWA DLM6104?
The following tables describe common communication error messages and their corrective actions for the YOKOGAWA DLM6104.
Error in Communication Command (100-199)
| Code | Messages | Corrective Action |
|---|---|---|
| 102 | Syntax error. | Invalid syntax. |
| 103 | Invalid separator. | Use a comma to separate the data. |
| 104 | Data type error. | Write using the correct data form. |
| 105 | GET not allowed. | GET is not supported for responses to interface messages. |
| 108 | Parameter not allowed. | Check the number of data points. |
| 109 | Missing parameter. | Enter the required data. |
| 111 | Header separator error. | Use a space to separate the header and data. |
| 112 | Program mnemonic too long. | Check the mnemonic (alphanumerical character string). |
| 113 | Undefined header. | Check the header. |
| 114 | Header suffix out of range. | Check the header. |
| 131 | Invalid suffix. | Check the unit of the <Voltage>, <Time>, <Frequency>, and <Current>. |
| 141 | Invalid character data. | Select character data from the selections available in {…|…|…}. |
| 150 | String data error. | Enclose <String> in double quotation or single quotation marks. |
Error in Communication Execution (200 to 299)
| Code | Messages | Corrective Action |
|---|---|---|
| 221 | Setting conflict. | Check the relevant settings. |
| 222 | Data out of range. | Check the range. |
| 223 | Too much data. | Check the length of the data. |
| 224 | Illegal parameter value. | Check the range. |
| 241 | Hardware missing. | Check the installed options. |
Error in Communication Query (400 to 499)
| Code | Messages | Corrective Action |
|---|---|---|
| 410 | Query INTERRUPTED. | Check transmission/reception order. |
| 420 | Query UNTERMINATED. | Check transmission/reception order. |
| 430 | Query DEADLOCKED. | Limit the length of the program message including <PMT> to 1024 bytes or less. |
| 440 | Query UNTERMINATED after indefinite response. | Do not specify a query after the *IDN? or *OPT? command. |
What are the functions of the Status Byte bits on the YOKOGAWA DLM6104?
The Status Byte register indicates the overall status of the instrument for communication purposes. The bits are defined as follows:
• Bit 0, 1, and 7: Not used (always 0).
• Bit 2 EAV (Error Available): Set to 1 when the error queue is not empty, meaning an error has occurred.
• Bit 3 EES (Extend Event Summary Bit): Set to 1 when the logical product of the extended event register and its corresponding enable register is 1. This indicates an event has occurred inside the instrument.
• Bit 4 MAV (Message Available): Set to 1 when the output queue is not empty, meaning there is data to be transmitted in response to a query.
• Bit 5 ESB (Event Summary Bit): Set to 1 when the logical product of the standard event register and its corresponding enable register is 1. This also indicates an event has occurred.
• Bit 6 RQS (Request Service) / MSS (Master Status Summary): Set to 1 when the logical AND of the other status byte bits (excluding Bit 6) and the service request enable register is not 0. This bit indicates that the instrument is requesting service from the controller.
What do the different waveform parameter names used in communication commands correspond to on the screen of the YOKOGAWA DLM6104?
The following table shows the correspondence between the parameter names displayed on the setup menu, the names used in communication commands, and the names displayed in measured results.
| Name Displayed on the Setup Menu | Name Used by Communication Commands | Name on the Screen When Displaying Measured Results |
|---|---|---|
| Max | MAXimum | Max |
| Min | MINimum | Min |
| High | HIGH | High |
| Low | LOW | Low |
| P-P | PTOPeak | P-P |
| Hi-Low | HILow | Hi-Low |
| +Over | POVershoot | +Over |
| -Over | NOVershoot | -Over |
| Rms | RMS | Rms |
| Mean | MEAN | Mean |
| Sdev | SDEViation | Sdev |
| IntegTY | TYINteg | ITY |
| C.Rms | CRMS | CRms |
| C.Mean | CMEan | CMean |
| C.Sdev | CSDeviation | CSdev |
| C.IntegTY | TYCInteg | CITY |
| Freq | FREQuency | Freq |
| 1/Freq | PERFrequency | 1/FR |
| Count | COUNt | Count |
| Burst | BURSt | Burst |
| +Width | PWIDth | +Width |
| -Width | NWIDth | -Width |
| Period | PERiod | Period |
| Duty | DUTYcycle | Duty |
| Rise | RISE | Rise |
| Fall | FALL | Fall |
| Delay | DELay | Dly |
What do the different eye pattern parameter names used in communication commands correspond to on the screen of the YOKOGAWA DLM6104?
The following table shows the correspondence between the eye pattern parameter names displayed on the setup menu, the names used in communication commands, and the names displayed in measured results.
| Name Displayed on the Setup Menu | Name Used by Communication Commands | Name on the Screen When Displaying Measured Results |
|---|---|---|
| Crossing % | PCROssing | Cross% |
| Eye Height | EHEight | EyeHi |
| Eye Width | EWIDth | EyeWid |
| Q Factor | QFACtor | QFact |
| Jitter | JITTer | Jitter |
| Duty Cycle Distriction % | PDUTycycle | DCDTime% |
| Vtop | VTOP | Vtop |
| Vbase | VBASe | Vbase |
| σ top | SDTop | σ top |
| σ base | SDBase | σ base |
| Tcrossing1 | T1CRossing | Tcros1 |
| Tcrossing2 | T2CRossing | Tcros2 |
| Vcrossing | VCRossing | Vcros |
| Ext Rate dB | DBERate | ERdB |
| Rise | RISE | Rise |
| Fall | FALL | Fall |
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