Meilhaus Electronic RedLab WebDAQ 316 Скачать руководство пользователя страница 28

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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

adapter

p/n PS

9V1AEPS230V

9 volts, 1.67 amps, 110 VAC to 240 VAC input range

Power behavior

W1 jumper

installed (factory

default)

So power on using the momentary power bu on; device can

turn its power oﬀ to shut down. Device does not resume

opera on if power is lost.

W1 jumper

removed

Device is always on if power is applied. Power bu on func ons

only as a reboot bu on.

Ba ery

One 3 V bu on cell lithium ba ery (BR1225 or CR1225) required

to maintain me of day clock when device is powered oﬀ.

Mechanical

Table 15. Mechanical speciﬁca ons

Parameter

Speciﬁca on

Dimensions (L × W

× H)

158.8 × 146.1 × 38.1 mm (6.25 × 5.75 × 1.50 in.)

177.0 × 146.1 × 38.1 mm (6.97 × 5.75 × 1.50 in.) includes spring terminal

Weight

635 g (1.45 lb)

Environmental

Table 16. Environmental speciﬁca ons

Parameter

Speciﬁca on

Opera ng

temperature range

0 °C to 50 °C max

Storage

temperature range

–40 °C to 85 °C

Ingress protec on

IP30

Opera ng humidity 10% to 90% RH, noncondensing
Storage humidity

5% to 95% RH, noncondensing

Maximum al tude

2,000 m (6,562 )

Pollu on Degree

Note 7: WebDAQ opera on is intended for indoor use only, but may be used outdoors if installed in a suitable

enclosure.

RedLab WebDAQ 316 User's Guide

page 28

Содержание RedLab WebDAQ 316

Страница 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 ...

Страница 2: ...to the RedLab 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 Do not mix hazardous voltage circuits and human accessible circuits on the same device Make sure that devices and circuits connected to the RedLab WebDAQ 316 are...

Страница 3: ...ith a web browser such as a phone or tablet Remote monitoring and control Run simple to complex logging opera ons Flexible task scheduling Powered by Raspberry Pi The WebDAQ is designed with the Raspberry Pi Compute Module featuring a quad core processor with speeds up to 1 2 GHz 1GB RAM and 4 GB Flash memory Integrated opera ng system and web service The WebDAQ is a complete data acquisi on syste...

Страница 4: ...unc ons are illustrated in the block diagram shown here Figure 1 Func onal block diagram Unpacking As with any electronic device you should take care while handling to avoid damage from sta c electricity Before removing the board from its packaging ground yourself using a wrist strap or by simply touching the computer chassis or other grounded object to eliminate any stored sta c charge Contents R...

Страница 5: ... WebDAQ for wireless communica on Refer to the Conﬁguring the WebDAQ for wireless communica on sec on for more informa on Connec ng directly to a PC Connect one end of the Ethernet cable to the connector on the WebDAQ rear panel and connect the other end directly to the Ethernet port on a PC The WebDAQ a empts to communicate with the host PC using 169 254 100 100 the link local address stored on t...

Страница 6: ... web interface open a browser window and enter h p webdaq xxxxxx local where xxxxxx is the last 6 digits of the MAC address The MAC address is on a label at the bo om of the WebDAQ enclosure If your network is conﬁgured for the zeroconf protocol the WebDAQ web interface opens If the web interface does not open or an error is returned install a device discovery tool such as Bonjour Print Services R...

Страница 7: ...wer bu on Conﬁguring the network router for communica on across networks To communicate with the WebDAQ over the internet from a computer connected to a diﬀerent network you must change the network conﬁgura on of the network router Cau on This procedure should only be performed by a network administrator or computer professional Incorrect se ngs can signiﬁcantly disrupt a network In the following ...

Страница 8: ...s To restore network conﬁgura on and security se ngs to the factory default values use a paper clip to press the CONFIG RESET bu on When pressed the default network and security se ngs are wri en to the device and the WebDAQ is rebooted Factory default se ngs Parameter Speciﬁca on IP address 192 168 0 101 subnet mask 255 255 255 0 Gateway 192 168 0 1 DHCP se ng DHCP link local enabled Security lev...

Страница 9: ... or output alarm and features Schmi trigger inputs and open drain outputs All DIO channels are pulled high to 5 V Any digital bit can be conﬁgured with the web interface as a trigger to start or stop an acquisi on Any digital bit can also be conﬁgured to trigger an alarm and be driven high or low when an alarm occurs Spring terminal Connect up to 16 thermocouples TC0 TC0 to TC15 TC15 and two commo...

Страница 10: ...s voltage within 1 2 V of all the connected thermocouples Minimizing thermal gradients Changes in the ambient air temperature near the thermocouple connectors or a thermocouple wire conduc ng heat directly to terminal junc ons can cause thermal gradients Observe the following guidelines to minimize thermal gradients and improve system accuracy Use small gauge thermocouple wire Smaller wire transfe...

Страница 11: ...et connector 2 Power bu on 5 SD card slot 8 Ground connector 3 Func on bu on 6 Factory reset bu on recessed 9 USB connectors 2 External power connector Connect the external AC adapter that shipped with the device to the connector labeled EXT PWR on the rear panel Click here to jump to the power speciﬁca ons If using a diﬀerent power supply than what was shipped with the hardware ensure that the su...

Страница 12: ... to reboot the device release the bu on when the POWER LED blinks yellow Refer to Power On Mode for the procedure to remove jumper W1 and enable Power On mode The WebDAQ device can also be restarted or shut down using the web interface refer to the WebDAQ help for details Func on bu on The bu on labeled FUNC has two func ons it can be used to eject external media or to start stop an acquisi on Eje...

Страница 13: ...led start condi on is met wai ng for job start condi on to be met Blinking green Data is being acquired job start condi on is met Oﬀ No error detected 3 ERROR Blinking yellow Error condi on is detected This LED blinks even when the so ware is conﬁgured to ignore the error Error state is cleared when the next schedule starts Oﬀ No error detected 4 MEDIA Blinking yellow A job is conﬁgured to log to ...

Страница 14: ...en 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 SD card before removing Acquiring data at high speeds can generate large ﬁle sizes If you expect to acquire a large amount of data to a single ﬁle when logging to external media do not use media forma ed with the FAT32 ﬁle system FAT32 is limited to a 4 GB maximu...

Страница 15: ...WebDAQ device could shut down or experience other errors if the power requirements of a connected device exceed the power available Use a self powered hub if the current requirement of external media exceeds 500 mA We recommend that you connect USB powered hard drives before powering up the WebDAQ Acquiring data at high speeds can generate large ﬁle sizes If you expect to acquire a large amount of...

Страница 16: ...la ve accuracy between channels The temperature measurement accuracy speciﬁca ons include errors caused by the thermal gradient across the 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...

Страница 17: ...ata ﬁle rather than overwri ng the original ﬁle Refer to the WebDAQ help for details about how to conﬁgure schedule and logging op ons Enabling power on mode with a complex or date me triggered schedule When running a complex or date me triggered schedule with both power on mode and auto start schedule enabled be aware that the schedule may not run automa cally a er a power cycle if the date or me...

Страница 18: ...ce window Device Info tab on the web interface Upda ng WebDAQ ﬁrmware Device ﬁrmware is bundled with the opera ng system web server and documenta on in a so ware update swu ﬁle Firmware updates are posted on the Meilhaus Electronic Firmware Updates page and are available for download Use the web interface to install the swu update ﬁle Open a browser window and enter h p webdaq xxxxxx local Help wh...

Страница 19: ... resolu on requested scan rate is 1 Hz High speed requested scan rate is 1 Hz Timing mode High resolu on Conversion Time per channel 55 ms Sample Rate all channels 1 S s High speed Conversion Time per channel 740 µs Sample Rate all channels 75 S s Common mode voltage range Channel to COM 1 2 V min COM to earth ground 250 V Common mode rejec on ra o CMMR High resolu on mode at DC and 50 to 60 Hz Ch...

Страница 20: ...sor can detect It is a func on of noise The values assume the full measurement range of the standard thermocouple sensor per ASTM E230 87 Table 2 Temperature accuracy speciﬁca ons Parameter Condi on Speciﬁca on Measurement sensi vity High resolu on mode Type J K T E N 0 02 C Type B R S 0 15 C High speed mode Type J K T E 0 25 C Type N 0 35 C Type B 1 2 C Type R S 2 8 C The following ﬁgures show th...

Страница 21: ...Thermocouple Types J and N Errors Thermocouple Type K Errors RedLab WebDAQ 316 User s Guide page 21 ...

Страница 22: ...Thermocouple Type T and E Errors Thermocouple Type B Errors Thermocouple Type R and S Errors RedLab WebDAQ 316 User s Guide page 22 ...

Страница 23: ...in Output voltage range 0 V to 5 V no external pull up resistor 0 V to 15 V max Note 2 Output oﬀ state leakage current 10 µA max Output sink current capability 100 mA max con nuous per output pin Output transistor on resistance drain to source 1 6 Ω Note 1 Applying a signal with a frequency higher than this speciﬁca on will adversely aﬀect system performance and could cause errors Note 2 The exter...

Страница 24: ...P link local sta c DHCP may be disabled by the user and a sta c IP address assigned If DHCP is enabled but is unsuccessful at obtaining an IP address the device will fall back to link local and request the IP address 169 254 100 100 Network device name The name used for detec ng the device using mDNS zero conf This name may be changed using the web interface Network name publica on By mDNS User ac...

Страница 25: ...l on the underside of the device Note 3 When factory defaults are restored any shared folders or mapped drives are reset Processor Memory Table 7 Processor memory speciﬁca ons Parameter Speciﬁca on Microprocessor Type Quad core Broadcom BCM2837 Speed 1 2 GHz Memory RAM 1 GB LPDDR2 Flash 4 GB eMMC 3 GB available for user data storage USB ports Table 8 USB speciﬁca ons Parameter Speciﬁca on Number o...

Страница 26: ...EDIA Blinking yellow A job is conﬁgured to log to external media but the job hasn t started yet push bu on will not let you eject media Steady yellow External media is inserted into the SD card slot or USB storage port Blinking green Currently logging to an external SD card or USB storage device Steady green Media has been made safe for removal using the FUNC bu on but is s ll inserted in the devi...

Страница 27: ...UNC Dual func on Ejects or safely unmounts all removable media for safe removal from the device default This func on is disabled when a job that uses external media is running The MEDIA LED is steady green when all media is unmounted but s ll inserted in the device Starts or stops an acquisi on requires conﬁgura on via the web interface Factory reset bu on CONFIG RESET Restores network se ngs to f...

Страница 28: ...a ery BR1225 or CR1225 required to maintain me of day clock when device is powered oﬀ Mechanical Table 15 Mechanical speciﬁca ons Parameter Speciﬁca on Dimensions L W H 158 8 146 1 38 1 mm 6 25 5 75 1 50 in 177 0 146 1 38 1 mm 6 97 5 75 1 50 in includes spring terminal Weight 635 g 1 45 lb Environmental Table 16 Environmental speciﬁca ons Parameter Speciﬁca on Opera ng temperature range 0 C to 50 ...

Страница 29: ...15 V for US or 230 V for Europe Cau on Do not connect the device to signals or use for measurements within Measurement Categories III or IV Signal connectors Table 18 Screw terminal speciﬁca ons Parameter Speciﬁca on Connector types 36 posi on spring terminal for thermocouple connec ons 6 posi on screw terminal for digital connec ons Screw terminal wiring 14 to 30 AWG copper conductor wire with 5 ...

Страница 30: ...annel 5 HI 35 TC5 Channel 5 LO 8 TC6 Channel 6 HI 36 TC6 Channel 6 LO 9 TC7 Channel 7 HI 37 TC7 Channel 7 LO 10 TC8 Channel 8 HI 38 TC8 Channel 8 LO 11 TC9 Channel 9 HI 39 TC9 Channel 9 LO 12 TC10 Channel 10 HI 40 TC10 Channel 10 LO 13 TC11 Channel 11 HI 41 TC11 Channel 11 LO 14 TC12 Channel 12 HI 42 TC12 Channel 12 LO 15 TC13 Channel 13 HI 43 TC13 Channel 13 LO 16 TC14 Channel 14 HI 44 TC14 Chann...

Страница 31: ...Meilhaus Electronic GmbH Am Sonnenlicht 2 82239 Alling Germany Phone 49 8141 5271 0 meilhaus de en RedLab WebDAQ 316 User s Guide page 31 ...

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