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WebDAQ 316 User's Guide
April 2020. Rev 6
Contents
About this User's Guide
Introducing the WebDAQ 316
Se ng up the WebDAQ
Func onal Details
Specifica ons
EU Declara on of Conformity
Trademark and Copyright Informa on
Measurement Compu ng Corpora on, InstaCal, Universal Library, and the Measurement Compu ng logo are
either trademarks or registered trademarks of Measurement Compu ng Corpora on. Refer to the Copyrights &
Trademarks sec on on
mccdaq.com/legal
for more informa on about Measurement Compu ng trademarks.
Other product and company names men oned herein are trademarks or trade names of their respec ve
companies.
© Measurement Compu ng Corpora on. All rights reserved. No part of this publica on may be reproduced,
stored in a retrieval system, or transmi ed, in any form by any means, electronic, mechanical, by photocopying,
recording, or otherwise without the prior wri en permission of Measurement Compu ng Corpora on.
No ce
Measurement Compu ng Corpora on does not authorize any Measurement Compu ng Corpora on product
for use in life support systems and/or devices without prior wri en consent from Measurement Compu ng
Corpora on. Life support devices/systems are devices or systems that, a) are intended for surgical implanta on
into the body, or b) support or sustain life and whose failure to perform can be reasonably expected to result in
injury. Measurement Compu ng Corpora on products are not designed with the components required, and are
not subject to the tes ng required to ensure a level of reliability suitable for the treatment and diagnosis of
people.
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Table of Contents
Related Manuals for Measurement Computing WebDAQ 316
Summary of Contents for Measurement Computing WebDAQ 316
- Page 1 WebDAQ 316 User's Guide April 2020. Rev 6 Contents About this User's Guide Introducing the WebDAQ 316 Se ng up the WebDAQ Func onal Details Specifica ons EU Declara on of Conformity Trademark and Copyright Informa on Measurement Compu ng Corpora on, InstaCal, Universal Library, and the Measurement Compu ng logo are either trademarks or registered trademarks of Measurement Compu ng Corpora on.
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Page 2: Hazardous Voltages
Hazardous voltages Take the following precau ons if you connect hazardous voltages to the WebDAQ 316 spring terminals. A hazardous voltage is a voltage greater than 42.4 Vpk or 60 VDC to earth ground. Ensure that hazardous voltage wiring is performed only by qualified personnel adhering to local electrical standards. -
Page 3: Introducing The Webdaq 316
WebDAQ 316 User's Guide Introducing the WebDAQ 316 The WebDAQ 316 is part of the WebDAQ Series of Internet enabled data loggers. WebDAQ 316 is a thermocouple acquisi on and logging device that provides the following features: 16 differen al thermocouple inputs... - Page 4 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 info@mccdaq.com. Unpacking As with any electronic device, you should take care while handling to avoid damage from sta c electricity.
- Page 5 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 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 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 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.
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Page 9: Front Panel Components
WebDAQ 316 User's Guide Func onal Details Func onal block diagram Device func ons are illustrated in the block diagram shown here. Figure 2. Func onal block diagram Front panel components Figure 3. Front panel Screw terminal Spring terminal page 9... - Page 10 WebDAQ 316 User's Guide Screw terminal (Digital connec ons) 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.
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Page 11: Analog Input Circuitry
The 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 the following figure. -
Page 12: Input Impedance
WebDAQ 316 terminals for configura ons with the terminals facing forward or upward. Auto zero channel The 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 13: External Power Connector
WebDAQ 316 User's Guide External power connector Connect the external AC adapter to the connector labeled EXT PWR on the rear panel. Click here to jump to the power specifica ons. 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. - Page 14 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...
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Page 15: Ethernet Connector
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 16: Logging Data
WebDAQ 316 User's Guide USB connectors The two high-speed USB ports can be used for connec ons to a mass storage device and approved WiFi adapter. When removable media is plugged into the WebDAQ, the opera ng system opens it for wri ng. Use the FUNC bu on or web interface to unmount the USB device before removing. - Page 17 WebDAQ 316 User's Guide 2. On the rear panel, remove the Ethernet cable, power cable, SD card, and any USB devices. 3. Remove the #6-32 ground screw. 4. Remove the nut and washer from the EXT PWR connector. 5. Remove the two front panel bezel screws and remove the front bezel.
- Page 18 WebDAQ 316 User's Guide 3. Remove the #6-32 ground screw. 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.
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Page 19: Thermocouple Input
WebDAQ 316 User's Guide Specifica ons All specifica ons are subject to change without no ce. Typical for 0 °C to 50 °C unless otherwise specified. Thermocouple input Table 1. Thermocouple input specifica ons Parameter Condi on Specifica on Number of... -
Page 20: Temperature Measurement Accuracy
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 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 WebDAQ 316 User's Guide Thermocouple Types J and N Errors Thermocouple Type K Errors page 21...
- Page 22 WebDAQ 316 User's Guide Thermocouple Type T and E Errors Thermocouple Type B Errors Thermocouple Type R and S Errors page 22...
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Page 23: Digital Input/Output
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 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 For CE compliance the max length is 3 meters (9.84 feet)
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Page 25: Processor / Memory
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: Led Indicators
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: Ground Connector
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 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...
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Page 29: Safety Voltages
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: Spring Terminal
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 WebDAQ 316 User's Guide EU Declara on of Conformity EU Declara on of Conformity According to ISO/IEC 17050-1:2010 Manufacturer: Measurement Compu ng Corpora on Address: 10 Commerce Way Norton, MA 02766 Product Category: Electrical equipment for measurement, control and laboratory use.
- Page 32 WebDAQ 316 User's Guide Measurement Compu ng Corpora on 10 Commerce Way Norton, MA 02766 Phone: 508-946-5100 mccdaq.com/support page 32...
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