Difference between revisions of "Velleman PS3005D/Info"

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== Protocol ==
The protocol is serial or serial-over-USB, 9600 8N1, (almost fully) ASCII based. No line termination, CRC or checksum characters are used.
The PC sends a request string which is then responded by the power supply.
{| border="0" style="font-size: smaller" class="alternategrey sigroktable"
|-
! Request
! Example output
! Remarks
|-
| *IDN?
| VELLEMANPS3005DV2.0
| Request identification from device. It's unknown what other versions / brands (e.g. Korad KA3005P) return here.
|-
| STATUS?
| (byte)
| Request the actual status. The output is a single byte with the actual status encoded in bits. At least the Velleman PS3005D V2.0 is a bit buggy here. The only reliable bits are: 0x40 (Output mode: 1:on, 0:off), 0x20 (OVP and/or OCP mode: 1:on, 0:off) and 0x01 (CV/CC mode: 1:CV, 0:CC)
|-
| VSET1?
| 12.34
| Request the voltage as set by the user.
|-
| VSET1:12.34
| (none)
| Set the maximum output voltage.
|-
| VOUT1?
| 12.34
| Request the actual voltage output.
|-
| ISET1?
| 0.125
| Request the current as set by the user.
|-
| ISET1:0.125
| (none)
| Set the maximum output current.
|-
| IOUT1?
| 0.125
| Request the actual output current.
|-
| OUT1
| (none)
| Enable the power output.
|-
| OUT0
| (none)
| Disable the power output.
|-
| OVP1
| (none)
| Enable the "Over Voltage Protection", the PS will switch off the output when the voltage raises above the actual level.
|-
| OVP0
| (none)
| Disable the "Over Voltage Protection".
|-
| OCP1
| (none)
| Enable the "Over Current Protection", the PS will switch off the output when the current raises above the actual level.
|-
| OCP0
| (none)
| Disable the "Over Current Protection".
|}
'''Remarks''':
# The digit 1 in the V... and I... requests indicates the values are meant for channel one. In future (or "higher"?) models this may be two for a second channel and so on.
# Voltage ("00.00" to "31.00" V) and current ("0.000" to "5.100" A) output values have a fixed length with fixed dot position. The values won't become negative.
== lsusb ==
== lsusb ==


Latest revision as of 17:49, 21 June 2014

lsusb

$ lsusb -v
Bus 004 Device 006: ID 0416:5011 Winbond Electronics Corp.
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            2 Communications
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0        64
  idVendor           0x0416 Winbond Electronics Corp.
  idProduct          0x5011
  bcdDevice            3.00
  iManufacturer           1
  iProduct                2 USB Virtual COM
  iSerial                 3 NT2009101400
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           67
    bNumInterfaces          2
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0xc0
      Self Powered
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         2 Communications
      bInterfaceSubClass      2 Abstract (modem)
      bInterfaceProtocol      1 AT-commands (v.25ter)
      iInterface              0
      CDC Header:
        bcdCDC               1.10
      CDC Call Management:
        bmCapabilities       0x00
        bDataInterface          1
      CDC ACM:
        bmCapabilities       0x00
      CDC Union:
        bMasterInterface        0
        bSlaveInterface         1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass        10 CDC Data
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      0
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
Device Status:     0x0000
  (Bus Powered)

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