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FX-WRZSST-110 Wireless Sensing System Tool Installation Instructions 

3

Note:

 If an FX-ZFR1811 Wireless Field Bus Router is 

used in the final installation to extend the operating 
range, place the FX-WRZSST-110 Tool in the location 
where the FX-ZFR1811 Router is to be located. Use 
the FX-WRZ Series Sensor to verify the intended 
sensor location, then use the FX-WRZ Series Sensor 
to stimulate and verify the intended FX-WRZ7850 
Receiver location.

For an FX-ZFR Series Wireless Field Bus System, 
place the FX-WRZ Series Sensor in the desired 
location for an FX-ZFR1811 Router, and place the 
FX-WRZSST-110 Tool in the desired location for an 
FX-ZFR1811 Router or FX-ZFR1810 Coordinator.

6.

Turn on the power switch of the test FX-WRZ 
Series Sensor and allow it to establish 
communication with the FX-WRZSST-110 Tool. 
When communication is established, the 
Light-Emitting Diode (LED) showing RF signal 
strength on the FX-WRZSST-110 Tool blinks.

If communication is not established within 
15 seconds, press the manual occupancy override 
button on the FX-WRZ Series Sensor to force 
another communication attempt.

7.

After the FX-WRZ Series Sensor establishes 
communication with the FX-WRZSST-110 Tool, 
press the manual occupancy override button for 
5 seconds and release to force the sensor into 
Rapid Transmit Mode (RTM).

8.

Hold the FX-WRZSST-110 Tool in the desired 
location and record the number of times the 
RF signal strength LED blinks over the course of 
10 seconds.  

If the RF signal strength is weaker than Good, 
move the location of either device until an Excellent 
or Good RF signal strength is indicated.

Move on to the next location, and repeat Step 1 
through Step 9 as necessary.

9.

When testing is finished, turn off the battery switch 
on the FX-WRZSST-110 Tool and turn off the 
power switch on the test FX-WRZ Series Sensor.

Operation

Wireless Signal Strength

The RF signal strength LED indicates the strength of 
the RF wireless signal between the sensor and its 
associated sensing system receiver, expressed as 
Excellent, Good, or Weak. The FX-WRZSST-110 Tool 
has an RF signal strength LED that blinks off one, two, 
or three times for every RF transmission to indicate the 
RF signal strength between the sensor and the tool, or 
the router/coordinator and the tool. See Table 1.

Rapid Transmit Mode (RTM) and RF Signal 
Strength LEDs

Normally, the sensor transmits every 60 seconds; 
however, pressing the manual occupancy override 
button on the FX-WRZ Series Sensor for 5 seconds 
and then releasing it forces the sensor into RTM. In 
RTM, an FX-WRZ Series Sensor sends an RF data 
transmission once every 10 seconds. The sensor 
remains in RTM for up to 30 RF transmissions. After 
each RF transmission, the RF signal strength LED of 
the sensor flashes (LED off to on) to indicate the RF 
signal strength between the sensor and FX-
WRZSST-110 Tool. The 
FX-WRZSST-110 Tool blinks (LED on to off) to indicate 
the wireless RF signal strength.

Table 1:   Wireless RF Signal Strength

Number of LED Blinks

RF Signal Strength

3

Excellent

2

Good

1

Weak 

0

None

Summary of Contents for FX-WRZSST-110

Page 1: ...r a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when this equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communi...

Page 2: ...e de la Classe A respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada RF Transmitters Industry Canada Statements The term IC before the certification registration number only signifies that the Industry Canada technical specifications were met This device has been designed to operate with an antenna having a maximum gain of 2 dB Antenna having a higher gain is strictly p...

Page 3: ...rength LED blinks over the course of 10 seconds If the RF signal strength is weaker than Good move the location of either device until an Excellent or Good RF signal strength is indicated Move on to the next location and repeat Step 1 through Step 9 as necessary 9 When testing is finished turn off the battery switch on the FX WRZSST 110 Tool and turn off the power switch on the test FX WRZ Series ...

Page 4: ...ntrols representative Two AA alkaline batteries are supplied with the FX WRZSST 110 Wireless Sensing System Tool Replace the batteries with high quality AA alkaline batteries as necessary ensuring that the batteries are installed in the proper polarity Both batteries should be replaced at the same time Note Batteries removed from this device must be recycled or disposed of in accordance with local...

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