Measurement-computing WLS-TEMP Uživatelský manuál Strana 31
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Hodnocené. / 5. Na základě hodnocení zákazníků
WLS-TEMP Specifications
31
LED / button configuration
Table 21. LED configuration
Parameter
Specification
Command LED
Green LED – indicates a command was received by the device (either USB or
wireless)
Received Signal Strength Indicator
(RSSI) LEDs
Three green LED bar graph.
LEDs turn on when receiving a wireless message and stay on for approximately
1 second after the end of the message. The LEDs indicate the amount of fade
margin present in an active wireless link. Fade margin is defined as the difference
between the incoming signal strength and the receiver sensitivity of the device.
3 LEDs on: Very strong signal (>30 dB fade margin)
2 LEDs on: Strong signal (>20 dB fade margin)
1 LED on: Moderate signal (>10 dB fade margin)
0 LED on: Weak signal (<10 dB fade margin)
Wireless Power LED
Green LED: indicates that the internal RF module is powered.
Transmit LED
Yellow LED: indicates transmitting data over the wireless link.
Receive LED
Red LED: indicates receiving data over the wireless link.
Button
Firmware-defined; this revision executes an LED test.
- User's Guide 1
- HM WLS-TEMP.docx 2
- Table of Contents 3
- Chapter 5 4
- About this User’s Guide 5
- Introducing the WLS-TEMP 6
- WLS-TEMP block diagram 7
- Installing the WLS-TEMP 8
- Configuring the hardware 9
- Calibrating the WLS-TEMP 11
- Warm up time 11
- Sensor Connections 12
- Thermocouple connections 13
- Wiring configuration 14
- Two-wire configuration 15
- Three-wire configuration 16
- Four-wire configuration 16
- Digital I/O connections 17
- WLS-TEMP Specifications 18
- Functional Details 19
- AC power supply 20
- External components 20
- Screw terminals 21
- USB connector 21
- Status LEDs 21
- LED Test button 22
- Specifications 23
- Channel configurations 24
- Compatible sensors 24
- Accuracy 25
- RTD measurement accuracy 26
- Digital input/output 27
- Temperature alarms 28
- Microcontroller 28
- Wireless communications 28
- USB +5V voltage 29
- USB specifications 30
- Environmental 30
- Mechanical 30
- LED / button configuration 31
- Screw terminal connector 32
- Declaration of Conformity 33
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