Test Unit Du line Type GTU8 Fieldbus Installationbus Portable test unit Monitoring of Dupline channel status LCD-display 12-key tactile keyboard Supplied by Dupline Transmission latch Dual-group reading Analog BCD reading Split I/O channel reading Product Description Ordering Key GTU8 Test unit for Dupline modules Highly recommended for Dup- Type: Dupline and networks. Monitoring/con - line system start-up, trou ble - Type no. trol unit with LCD-dis play. shoot ing and main te nance. Type Selection Supply Specifications Supply Ordering no. Power supply Supplied by Dupline Test unit Reverse-polarity protection Yes Rated operational current < 4.0 mA Supplied by Dupline GTU8 Product Specifications General Specifications Output Dupline Environment Connection 3 mm Jack socket Degree of protection IP 40 Pollution degree 3 (IEC 60664) Display 2 x 16 characters Operating temperature 0 to +50C (+32 to +122F) Type LCD Storage temperature -20 to +60C (-4 to +140F) Height of dots 5 mm Humidity (non-condensing) 20 to 80% Keyboard Tactile keys Mechanical resistance No. of keys 12 Shock 15 G (11 ms) Channel keys 1-8 Vibration 2 G (6 to 55 Hz) Command keys (scroll up/down) MODE , ENTER Dimensions (l x w x d) 145 x 90 x 28 mm Cable 1 GTU8 to Dupline Material ABS, grey GTU8 connector 3 mm Jack plug Weight 250 g Dupline connector 2 mini grips Signal Red Common Black Cable 2 GTU8 to ASIC module Wiring Diagram GTU8 connector 3 mm Jack plug Dupline connector 1 6/6 modular plug Red Black Additional Information Scope of supply 1 x Test unit GTU8 1 x Cable 1 (mini grips) GTU8 - GRIP - CAB 1 x Cable 2 GTU8 - ASIC - CAB Supplied by Dupline S: Signal wire Specifications are subject to change without notice (07.06.2007) 1 Dupline is a registered trademark. A product of the CARLO GAVAZZI GroupGTU8 Du line Fieldbus Installationbus Mode of Operation 128-channel portable trans - key only changes the channel If the multiplex addressOF 3. When the channel has mit ter/receiver unit supplied group in the upper row of the is selected, the display will been selected, an intermedi- by Dupline . The GTU8 can display. show the analog value trans - ate state is entered: be used an y where along the mit ted on the selected chan - PRESS ENTER TO two wires to monitor and con- Edit Tx-latch nel groups disregarding the CALIBRATE trol the status of Dupline In this mode it is possible to multiplex address. Press enter to start Calibrat- ing. chan nels. This unit is highlylatc the ac ti va tion of one orOF should be selected recommended for start-up more channels. This means when the analog trans mit ters 4. When enter is pressed the and main te nance work on that the GTU8 will continue are used in non-multiplexed calibration is started and a Dupline systems. transmitting on the channel(s) mode. progress bar is shown in the even though the cor re spond - display: The GTU8 can operate in 6 ing transmission but ton is re - If a specific analog trans mit ter 0%:************ ************:100% different modes: leased. is to be tested, it is pos si ble Dont press anything the Digital 1 group to set up its multiplex ad dress GTU8 will change state auto- Digital 2 groups To cancel the transmission on inTx-latc mode and then matically. Edit Tx-latch a channel, press the cor re- go back to theAnalog BC Analog BCD spond ing transmission but ton mode to monitor the value. 5. When calibration is finished Split I/O again. the following will be shown in the display: Sensor Calibration The latched transmission will Split I/O FINISHED PRESS continue even if the channel In this mode it is possible to MODE TO EXIT The start-up mode isDigital group or mode is changed. In see the status of split I/O 1 grou. order to change the status of channels. Pressing the mode button is a latched transmission, it is The upper row in the display the only way to restart calibra- tion or entering a new mode To change mode: nec es sary to re-enter the shows the output from the of operation 1. Press Mode Edit Tx-latc mode. master generator. 2. Shift between mode op- The lower row in the display tions by pressing either All the latched channels are shows inputs from Dupline Warning: Do not plug or un - or . reset to normal Dupline op - units to the master generator. plug the Jack con nec tor when 3. Select mode by press- er a tion whenever the GTU8 the GTU8 is connected to ing Enter . becomes disconnected from By pressing or the Dupline . This will cause a the Dupline . group ad dress es can be short-circuit of the two wires. changed. Digital 1 group Once connected to the Dup- Analog BCD Note: If the Dupline carrier is Pressing 1, 2 ... 8 will missing, the display will not line , the display shows the In this mode it is possible to activate the corresponding turn on. status of channel group A. monitor values from analog Dupline channel in the se lect - Active channels are in di cat ed transmitters that use the mul- ed channel group. by their numbers. Pressing tiplexed 3 1/2-digit BCD for- 1, 2 ... 8 will activate the mat. The analog values are Sensor Calibration corresponding Dupline chan- shown as BCD numbers with - The Sensor Calibration func- nel in the se lect ed channel in the range of -1999 to 1999. tion is carried out as a group. sequence of steps. The func- tion controls one channel on Pressing or chang - By pressing or the the Dupline bus to tell the es the channel group shown group ad dress es can be attached sensors to calibrate. in the display. changed. By keeping Enter pressed while ac ti vat ing 1. Enter this function and Digital 2 groups or , the multiplex ad dress select the decided Dupline When the modeDigital 2 will change instead. group: SELECT SENSOR group is selected, the user CALI GROUP: X may select an additional The display will showWai (X is the group number). chan nel group for permanent until the selected multiplex Press enter when the want- monitoring on the bottom line address has been present on ed group is selected. of the display. The channel chan nels A1-A4. status of the two selected 2. When Group is selected the channel within the group must groups can now be mon i - If no analog value is trans mit - be selected. tored, but changing the chan - ted on the selected address, SELECT SENSOR nel sta tus through the keys the display will show:Non. CALI CHANNEL: XY 1 ... 8 only affects the (X = Group number, channels displayed in the If the analog value on the se - Y = Channel in group X). Press enter when the wanted upper row of the display. Even lect ed address is not valid, channel is selected. so, pressing the or the display will show:Erro. 2 Specifications are subject to change without notice (07.06.2007) Dupline is a registered trademark. A product of the CARLO GAVAZZI Group