Visio-D2475-01-05 CN4871 SEM1700 User Guide.vsd
Contents
1. high or lower low button on for gt 2 s to press to the raise high or lower low button to store setting Input Simulator enter To abort configuration allow config to time out by not pressing buttons for 5 seconds The ok LED will then start to flash at a slow rate low or fast rate high Green Ok LED will indicate Trim action ow x TRIP A O 00000 TRIPA O or sensor TRIP B O Hie impur out or range TRIP B O Single Press lt 1S Enter High scale gt 000000 lt Store Hi i gh scale config A config High fast toggle gt A Vv Enter Low scale e 000 Vv lt Store Low scale config config Low slow toggle OUTPUT DAMPING User adjustable damping of the analogue output is provided for both rising and falling signals The adjustable range is 0 to 250 second for a 0 to 20 mA or 0 to 10 V swing To calculate the maximum rate of change of the output signal divide 20 mA 10 V by the damping setting example if the damping is set to 100 seconds the mA output will change at a maximum rate of 20 100 0 2 mA Second Use USB_LINK software to configure damping setting TRIP OUTPUTS Dual trip change over contacts are available The contacts are rated at 240 V ac 1 A Non inductive 30 V DC 1 A An external snubber network is recommended when switching inductive circuits Please ensure the snubber network is rated for the application Four actions are provided as detailed in the diagram below The Alarm acti2. outputs are isolated from each other Max switching current 1 A 240 V ac 1 A 30 V dc Non Inductive TRIP 2 B TRIP 1 A c 7 a b 13 c a 15 b To fit or release module Insert screwdriver into slot and lever latch away from body Screwdriver 3mm CS o SUPPLY CONNECTION Supply input is not polarity sensitive Max supply 240 V ac or 240 V dc T lt STATUS gt instruments SEM1700 USER GUIDE Status Instruments Ltd Green Lane Business Park Green Lane Tewkesbury Gloucestershire UK G L20 8DE Web Page www status co uk Tel 44 0 1684 296818 Fax 44 0 1684 293746 email sales status co uk INPUT SUPPLY 20 to 240 V AC or DC OUTPUT ANALOGUE OUT PUT Internal Powered current Output External Powered 4 20 mA Output H 7 O Q O Temperature Voltage Temperature Process Conditioner with Universal input outputs supply plus manual config trim E X A Important Please read this document before any installing PT100 Load 9 vs Load 8 o 2 Process TRIPOUT PUT TRIP 2 B TRIP 1 A Transmitter C a OOO OOO Every effort has been taken to ensure the accuracy of this document however we do not accept responsibility for damage injury los s or expense resulting from errors and omissions and we reserve the right of amendment without notice IMPORTANT CE amp SAFETY REQUIREMENTS This product is suitable for envi
3. MECHANICAL INSTALLATION MOUNTING 1 Screwdriver C ee 120 11 12 13 14 15 16 17 18 Bia S056 ll eee 10 9 8 7 6 5 4 3 2 1 3 mm 2 EN60715 DIN RAIL 106 22 0 All Dimensions in mm ELECTRICAL INSTALLATION INPUT CONNECTION For cable length lt 3 Metres no screen or twisted pair required Thermocouple inputs must use correct compensation cable PT100 inputs all three wires must be equal length resistance Max input cable length 30 metres TURN OFF SUPPLY BEFORE WORKING ON ANY ELECTRICAL CONNECTION Temperature Process 6 lt TO 1O 4 T C Slide Wire Transmitter mA Sense D2475 01 05 CN4871 SEM1700 User Screened Cable A Ambient Range lt DG ANALOGUE OUTPUT CONNECTION 70 C Max 20 C Min Twisted Pair Cable For cable length lt 3 metres no screen or twisted pair required Use twisted pair or screened for current output 3 to 1000 metres Voltage output use screened cables 3 to 30 metres cable lengths gt 30 metres not advised Current Current Internal Externally Powered Powered G Load e vs Load i d 8 Voltage 19 Q TC Compensation Cable 7 a o Enclosure Style DIN Rail Mount Material Blend PC ABS self extinguishing Terminals Screw terminal Cable 2 5 mm Max Colour Grey a Screened TRIP OUTPUT CONNECTION Trip
4. User mA User low 2 mA Min 0 mA User High 2 mA Max 24 mA 0 to 10 V 0 to 1 V 9 to 11 V UserV User low 1 V Min 0 V User High 1 V Max 12 V METHOD 1 0 Connect transmitter to a suitable input simulator or sensor Connect supply connecting a digital meter to monitor output Turn supply on set input to offset span calibration point IMPORTANT IF PERFORMING TWO POINT CAL lt ALWAYS CAL OFFSET FIRST 2 0 Enter trim menu by pressing raise button for gt two seconds When the trim menu is open the range LED will flash Enter Green Ok LED will indicate Trim action x TRIPA O Offset slow togge 0 0 0000 TRIP B O gt 25 Span fast togge 0000 00 A Out oftrimrange Q OOQO0O0O Vv Input out of range x 3 0 Trim output current by pressing TRIPA O either the raise or lower button TRIP B O single click to step advance or press continuously to auto advance A Raise Vv Lower 4 0 Once trim is complete allow 30 x seconds with no button press the TRIP A O transmitter will time out and return to TRIPB O normal operation S gt 30s AT Escape Saeed v I TC or RTD Input Analogue output On loss of the input signal the SEM1700 will go into burnout condition this is selectable high low or user Relay output The relays will trip change state from the normal condition on loss of the input signal unless set to the off position Process Input Analogue output Loss of the input signal d
5. ecification available to down load at www status co uk RECEIVE AND UNPACKING Please inspect the packaging and instrument thoroughly for any signs of transit damage If the instrument has been damaged please notify your supplier immediately CONFIGURATION but the computer used must be isolated from the mains supply earth to avoid ground loop effects A IMPORTANT During configuration the device takes its power from the USB port therefore no power connection is required The device can be configured whilst powered USB_LINK s usb_link V2 0 or greater amp Disk or download www status co uk Device COMPUTER oftware USB CABLE c Ei Il Factory default The following parameter can be configured by simply entering as prompted by the software package Inputtype P Sample rate 1000 mS i i Units C Input type input sensor units temperature inputs sample rate i Scale input to process variable process inputs only Output 4 to 20 mA damping 0 Analogue Output Set Type voltage or current scale output signal range scale output to process High Range 100 Set adjustable damping for both rising and falling output Set correction for voltage output load Low Range 0 Trip Outputs Set action Set setpoints Set deadband Set adjustable delay on and delay off Burnout UPSCALE Set burnout direction on sensor fai
6. lure or input overrange User Trim off Set the function of the front panel user buttons to off trim or configure Trips off delays 0 TAG number Damping 0 D2475 01 05 CN4871 SEM1700 User USER TRIM Screwdriver 3mm ET O Digital mA meter HHEH Supply O O Input Simulator or sensor Sensor Fault Conditions D2475 01 05 CN4871 SEM1700 User User trim function allows manual adjustment of the analogue output this is useful for minor calibration adjustment or trimming out any sensor error 5 of range adjustment is available at both offset and span Raise and lower buttons are provided on the front panel of the transmitter accessed using a 3 mm flat blade screw driver Insert the screw driver into the appropriate slot to operate the button The button has a click action The transmitter will automatically detect the correct trim point offset or span based on the output signal Offset will be trimmed when the current is in the offset band span when the current is in the span band No trim action occurs at any other current Note this function needs to be selected by the software configuration tool before use To lock setting after adjustment the operator can again use the tool to turn this function off select the option to save trim when downloading config span offset Output Signal gt Range Offset Span 4 to 20 mA 3 8 to 6 mA 18 to 22 mA 0 to 20 mA 0 to 2 mA 18 to 22 mA
7. oes not effect the output in the same way as with TC or RTD With process inputs a lost signal will be seen as a process value scaled to the equivalent of a zero electrical input If the process value is below the process low range the output will go to its low scale value less approximately 10 of the output range Relay output Only with low alarm or low control will the relays trip change state from the normal condition on under range loss of input signal USER RANGE CONFIGURATION This function allows two point manual configuration of the re transmission current voltage at low and high range against a live input signal This is useful for on site configuration example with a slide wire input the user manually positions the slide at both low and high positions and configure the unit to operate over the range Configuration is achieved using either the raise Span or lower offset buttons To operate this function must first be selected using the software configuration tool The operator may lock this function once set by turning off the function 3mm Cc gt op METHOD Screwdriver 1 0 Connect transmitter to a suitable input simulator or sensor Connect supply turn supply on set input to either offset or span calibration point O O 2 0 To enter configuration set input to desired high or low setting and wait 3 0 Once the menu has been entered quickly within 1 second apply a single 10 seconds Press and hold raise
8. ons may also be used for inverted control applications example the high alarm action can be used to control a cooling fan when used to control the temperature of a heat source Adjustable setpoint and deadband are provided together with adjustable on and off delays for each trip The delay range is 0 to 250 Seconds Trip Trip Led pe Led DB ee 77 DB SP DB S aa Za S 4 Hi Alrm Lo Alrm Hi Ctrl Lo Ctrl or or or or Inverted Inverted Inverted Inverted Hi_ Ctrl Lo Ctrl Hi_Alrm Lo Alrm Temperature Range Error A A A A Hi_ Alrm Inverted Hi Ctrl Q oe Q oe s oe Lo_Alrm Inverted Hi Ctrl lt B O B O B O A C A O A Hi_ Ctrl Inverted Hi_Alrm C C C Lo_Ctrl Inverted Lo_Alrm B on Br B O Action Normal Trip Power off O 2 gt O TRIP 1 A TRIP 2 B C 46 C43 A 18 15 2 D2475 01 05 CN4871 SEM1700 User
9. ronment Installation category II pollution degree The product is classed as PERMANENTLY CONNECTED EQUIPMENT Product must be DIN rail mounted inside a suitable enclosure providing environmental protection to IP65 or greater Dc supply must be derived from a local supply and not a distribution system Max relay contact rating 240 V AC 1 A 30 V DC 1A Any circuit connected to a contact must be fused with a 2 A T fuse To maintain CE EMC requirements input The product contains no serviceable parts and supply wires must be less than 30 metres or internal adjustments No attempt must be made to repair this product Faulty units must be returned to supplier for repair This product must be installed by a qualified person All electrical wiring must be carried out in accordance with the appropriate regulations for the place of installation Before attempting any electrical connection work please ensure all supplies are switched off ABSOLUTE MAXIMUM CONDITIONS To exceed may cause damage to the unit Supply Voltage Input Voltage Input Current Output Trips Ambient External Supply PRODUCT SPECIFICATION 240 Vdc 240 V ac Protected for over voltage 24 V between any terminals 50 mA between terminals 30 V dc 240 V ac 1 A 30 V dc 1 A non inductive Temperature 30 to 75 C Humidity 10 to 95 RH Non condensing 1 Amp anti surge fuse recommended Please refer to the product data sheet for full sp
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