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Meilhaus Electronic RedLab WebDAQ 316 User Manual

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RedLab WebDAQ 316 User's Guide
September 2019. Rev 5
Contents
About this User's Guide
Introducing the RedLab WebDAQ 316
Se ng up the WebDAQ
Func onal Details
Specifica ons

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Summary of Contents for Meilhaus Electronic RedLab WebDAQ 316

  • Page 1 RedLab WebDAQ 316 User's Guide September 2019. Rev 5 Contents About this User's Guide Introducing the RedLab WebDAQ 316 Se ng up the WebDAQ Func onal Details Specifica ons...
  • Page 2 (ACC-401) to ensure that the terminals are not accessible and that the devices and circuits connected to the RedLab WebDAQ 316 are properly insulated from human contact. Hazardous loca ons : The RedLab WebDAQ 316 is not cer fied for use in hazardous loca ons. Contents...
  • Page 3 RedLab WebDAQ 316 User's Guide Introducing the RedLab WebDAQ 316 The RedLab WebDAQ 316 is part of the WebDAQ Series of Internet enabled data loggers. RedLab WebDAQ 316 is a thermocouple acquisi on and logging device that provides the following features: 16 differen al thermocouple inputs...
  • Page 4 RedLab WebDAQ 316 User's Guide Open-source so ware WebDAQ firmware uses open-source so ware components. Refer to Licenses for the licensing informa on of each component. Open-source code is available upon request from sales@meilhaus.de. Func onal block diagram Device func ons are illustrated in the block diagram shown here.
  • Page 5 RedLab WebDAQ 316 User's Guide Se ng up the WebDAQ Connec ng to a local area network The WebDAQ requires a TCP/IP connec on to a network or the Ethernet port of a computer. A standard Ethernet cable is shipped with the device. The WebDAQ IP address type is set by default for DHCP/Link-Local.
  • Page 6 RedLab WebDAQ 316 User's Guide Detec ng the device on a network WebDAQ uses the "zeroconf" zero-configura on protocol to announce its presence on a local area network. Zeroconf uses a device name which can be accessed from other computers on the network.
  • Page 7 RedLab WebDAQ 316 User's Guide Configuring the WebDAQ for wireless communica on Once communica on is established on a wired network, you can connect a WiFi adapter to the USB port and use the web interface to configure the WebDAQ for communica on over a wireless network. With the WebDAQ connected through the wired connec on, perform the following procedure.
  • Page 8 RedLab WebDAQ 316 User's Guide Security Use the web interface to set the level of access to the website and to change the administrator password. High: access to the web page requires a password. Medium: access to the web page is permi ed for any user, and data can be read by any user, but changes to the device configura on or files require a password.
  • Page 9 RedLab WebDAQ 316 User's Guide Func onal Details Front panel components Figure 3. Front panel Screw terminal Spring terminal Screw terminal Connect up to four digital I/O lines (DIO0 to DI03) to the detachable screw terminal. Figure 4. Screw terminal pinout The digital ground (GND) terminals provide a common ground for the digital bits.
  • Page 10 The RedLab WebDAQ 316 supports type J, K, S, R, B, E, T, N thermocouples (TC), and provides overvoltage protec on between any two inputs. A typical thermocouple connec on is shown in Figure 6.
  • Page 11 RedLab WebDAQ 316 User's Guide Increasing the thermocouple length If you need to increase the length of your thermocouple, use the same type of TC wires to minimize the error introduced by thermal EMFs. Rear panel components Figure 7. Rear panel...
  • Page 12 RedLab WebDAQ 316 User's Guide Power bu on The bu on labeled POWER turns the WebDAQ device on and off. WebDAQ hardware is designed with a 2-pin jumper (W1) that users can remove to con nuously power the device. The behavior of the POWER bu on when jumper W1 is installed or removed is listed in the following table.
  • Page 13 RedLab WebDAQ 316 User's Guide LED status indicators The WebDAQ has four LEDs on the rear panel that indicate the status of power and host communica ons. The following table defines the LED states during normal opera on. LED states – normal opera ng mode...
  • Page 14 RedLab WebDAQ 316 User's Guide WebDAQ LEDs behave differently when so ware is updated on the device. The following table defines the LED states during a so ware update. LED states – so ware update mode State Descrip on All LEDs...
  • Page 15 RedLab WebDAQ 316 User's Guide Ethernet connector The WebDAQ has one 10 Base-T/100 Base-TX, auto-nego a on, high-speed communica on port. The port connector is an RJ-45, eight-posi on connector. The Ethernet port accepts shielded or unshielded twisted pair cable. The maximum communica on distance without using a repeater is 100 m (328 ).

  • Page 16: Power-On Mode

    RedLab WebDAQ 316 terminals for configura ons with the terminals facing forward or upward. Auto zero channel The RedLab WebDAQ 316 has an internal auto zero channel to compensate for offset errors. When enabled, the WebDAQ measures the autozero channel and subtracts that measurement from the measurement of each thermocouple channel.
  • Page 17 RedLab WebDAQ 316 User's Guide 4. Remove the nut and washer from the EXT PWR connector. 5. Remove the two front panel bezel screws and remove the front bezel. 6. Slide out the circuit board with the front panel intact.
  • Page 18 Refer to the "Upda ng WebDAQ Firmware" help topic or FAQ for instruc ons. Calibra ng the hardware The Meilhaus Electronic Manufacturing Test department performs the ini al factory calibra on. Return the device to Meilhaus Electronic when calibra on is required. The recommended calibra on interval is one year. Contents page 18...
  • Page 19 RedLab WebDAQ 316 User's Guide Specifica ons Thermocouple input Table 1. Thermocouple input specifica ons Parameter Condi on Specifica on Number of 16 thermocouple channels channels 1 internal auto zero channel 1 internal cold-junc on compensa on channel ADC resolu on...
  • Page 20 Type B: <1.2 °C Type R, S: <2.8 °C The following figures show the errors for each thermocouple type when connected to the RedLab WebDAQ 316 with auto zeroing performed. The figures display the maximum error over a full temperature range, and the typical error at room temperature.
  • Page 21 RedLab WebDAQ 316 User's Guide Thermocouple Types J and N Errors Thermocouple Type K Errors page 21...
  • Page 22 RedLab WebDAQ 316 User's Guide Thermocouple Type T and E Errors Thermocouple Type B Errors Thermocouple Type R and S Errors page 22...
  • Page 23 RedLab WebDAQ 316 User's Guide Digital input/output Table 3. Digital input/output specifica ons Parameter Specifica on Digital type CMOS (Schmi trigger) input / open drain output Number of I/O One port of 4 bits Configura on Each bit can be independently configured for input or output...
  • Page 24 RedLab WebDAQ 316 User's Guide Network Ethernet connec on Table 4. Ethernet connec on specifica ons Parameter Specifica on Ethernet type 100 Base-TX 10 Base-T Communica on 10/100 Mbps, auto-nego ated rates Connector RJ-45, 8 posi on Cable length 100 meters (328 feet) max...
  • Page 25 RedLab WebDAQ 316 User's Guide Factory default se ngs Table 6. Factory default se ngs Parameter Specifica on Factory default IP 192.168.0.101 address Factory default 255.255.255.0 subnet mask Factory default 192.168.0.1 gateway Factory default DHCP + link-local enabled DHCP se ng...
  • Page 26 RedLab WebDAQ 316 User's Guide LED indicators Table 10. LED specifica ons – normal opera ng mode Label State Descrip on 1: POWER Steady yellow Device is boo ng up. Steady green Device boot is successful. Blinking yellow Device is shu ng down.
  • Page 27 RedLab WebDAQ 316 User's Guide Push bu ons Table 12. Push bu on specifica ons Component Label Descrip on Power bu on POWER W1 jumper installed (factory default) (Note When device is off; press briefly to turn the device on When device is on: Press for ~1 second to shuts down the device;...
  • Page 28 RedLab WebDAQ 316 User's Guide Power Table 14. Power specifica ons Parameter Condi ons Specifica on Input voltage Center posi ve 6 VDC to 16 VDC Input wa age 4 W typ, 10 W max External power p/n PS 9 volts, 1.67 amps, 110 VAC to 240 VAC input range...
  • Page 29 RedLab WebDAQ 316 User's Guide Safety voltages Connect only voltages that are within the limits specified in this table. Table 17. Safety specifica ons Parameter Condi ons Specifica on Between any two ±30 V max terminals Channel-to- None channel isola on...
  • Page 30 RedLab WebDAQ 316 User's Guide Spring terminal Table 20. Spring terminal pinout Terminal Terminal Label Label No connec on No connec on TC0[+] Channel 0 HI TC0[–] Channel 0 LO TC1[+] Channel 1 HI TC1[–] Channel 1 LO TC2[+] Channel 2 HI TC2[–]...
  • Page 31 RedLab WebDAQ 316 User's Guide Meilhaus Electronic GmbH Am Sonnenlicht 2 82239 Alling/Germany Phone: +49 8141 5271-0 meilhaus.de/en page 31...