Eltek TU 1004 User Instructions Download Page 8

Product Specification

Maximum no. Channels

160

AC supply 

100 to 250V AC (Use only Eltek power supply type 
MP12U / MP12U5W) 

DC input

12VDC Maximum current <150mA 

Battery endurance 

Up to 72 hours 

Controls

Concealed button (power off)

Freq. UHF (Europe)

Default is 434.225Mhz (the label on the base will give 
the exact frequency) 

Freq. US

Default is 914.5Mhz 

Rx sensitivity

-117dbm (typical)

Antenna connection 

SMA socket 

Antenna – standard

¼ wave whip (shipped with product) – Eltek type 

(supplied)_

UHFFlexi/SMA

Antenna – lightweight dipole 

Indoor/outdoor dipole, lead length 5m standard, 

(optional)

accessory type LW-ANT/SMA. The maximum 
recommended lead length is 10m. 

Antenna – compact Yagi

Lightweight 3 element Yagi, providing up to 6db gain 

(optional)

supplied with 5m lead and plug.

Temperature Range

-10 to +55ºC 

Humidity 

95% non condensing 

Environment

Indoor use only IP40. A secondary enclosure must be 
used for outdoor use 

Transmitter types

All in GenII range from serial number 7000

Transmitter Interval

1 second to 4 hours

TU1004GB 14/11/13

Page 8 of 8

Serial Data

Both ModBus and RC250 Serial Interface protocols are implemented on an RS232 

interface. The interface requires no configuration and will automatically respond 
appropriately to either protocol. It is preset to these settings:

Baud Rate

19200

Data Bits

8

Stop Bits

1

Parity

None

Summary of Contents for TU 1004

Page 1: ...ot receive a message from a transmitter within a configured time the stored value will be set to no data For more detail see P6 No Data interval Example application Typically data from the RC250 to th...

Page 2: ...n the top of the RC250 Indicates the receiver has successfully received a valid data packet A single serial port on the PC can be used but this will mean having to change over the LCTX3 lead and LC68...

Page 3: ...es for ModBus communications See ModBus Configuration section Buttons Get TX Get the current configuration from the Transmitter Set Interval Set TX Interval use the drop down menu Set Sensor On Time A...

Page 4: ...equired Get the current or start a new RC250 Configuration using the button you should see the details appear in the right hand list box Now connect each transmitter to the PC using an LC TX3 programm...

Page 5: ...communications and should be investigated Nbr TX Is the number of successful transmissions received indicating reliability of performance and is for statistical purposes only Columns in the RX Config...

Page 6: ...ss Base address of Holding Registers containing age of each value When reading the values from the RC250 the only Function Code that can be used is Read Holding Registers 0x03 The registers containing...

Page 7: ...meaning 49 3 RH CRC Hi ac CRC Lo d9 Raw Reg Address Values other than pulse counts contain values less than 65000 Numbers starting from 65441 0xFFA1 are used to represent out of range or fault condit...

Page 8: ...dard optional accessory type LW ANT SMA The maximum recommended lead length is 10m Antenna compact Yagi Lightweight 3 element Yagi providing up to 6db gain optional supplied with 5m lead and plug Temp...

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