Super-systems 7SL User Manual

1Instruction ManualPN 31302MODEL 7SLHIGH/LOW LIMITROL®7sl-0-00.p65 9/17/02, 2:35 PM1

10LOADRCPOWERLINEC.1) Relay OutputsThe cable used for relay output wiring must be as faraway as possible from input or communication cables.Relay outp

11D) Serial InterfaceFor units built with optional RS-485 communicationThe RS-485 interface can connect up to 31 instrumentswith the remote master uni

12PRELIMINARY HARDWARE SETTINGS1) Remove the instrument from its case.2) Set J106 according to the following table:E) Power Line and groundingR (S,T)

13Limitrol with RS-485Limitrol without RS-48575318642J106V1017sl-1-00.p65 9/17/02, 2:39 PM13

14CONFIGURATION KEY FUNCTIONSRESET In Configuration Mode, used only to scrollback parametersUsed in Configuration Mode to decrease theparameter value

15r1 = Input Type and Range Value0 = TC J From -100 to 1000 °C1 = TC K From -100 to 1370 °C2 = TC T From -200 to 400 °C3 = TC E From -100 to 800 °C4 =

16Control Output FunctionThe relay output operates in fail-safe mode (relay de-energized during reset condition) and latching mode.The control output

17Ack. = Alarm Acknowledgment(For relay status see configuration parameter P3.)C3 = Reset at Power-upAuto = Automatic resetnAn= Manual resetC4 = Reset

18(Hysteresis)ONALM LEDOFFAlarm status*RelayNo alarm statusACK(Alarmthreshold)FLASH FLASHExample for P2 = H.A.A.cACK = Alarm acknowledgment from "

19t1 = Timeout Selectiontn10 = 10 second timeouttn30 = 30 second timeoutd1 = Digital Input (contact closure)(This is a read only parameter)Enb = Digi

21/16 DIN, FOUR DIGIT HIGH/LOW LIMITROLMODEL: 0 7 S L - 9 1 - 0 0 0 - 0 - 0 0Field No. 1 2 3 4 5 6 7 8 9 10 11 12 13

20OPERATING MODE1) Remove the instrument from its case.2) Set switch V101 to the closed position.3) Re-insert the instrument in its case.4) Switch on

21Key Functions in Normal Display Mode“FUNC” = By pressing it, the display changes from“Normal Display Mode” to “ParameterDisplay Mode.”= Pressing it

22OPERATING PARAMETERSSome of the following parameters may not appear,depending on the configuration.Alarm Acknowledge(Available only if P1 = AL.p, AL

23ERROR MESSAGESOverrange, Underrange andSensor Break IndicationsThis device detects process variable faults(OVERRANGE, UNDERRANGE OR SENSOR BREAK).Wh

24DEFAULT PARAMETERSLoading Default Operating ParametersThe control parameters can be loaded with predeter-mined default values. These are the setting

25d) Still holding the key, press the key; the displaywill show:e) Press the key to select Table 1 (European) orTable 2 (American) default pa

26SPECIFICATIONSCase RABS Grey dark color (RAL 7043).Self-extinguishing degree V0according to UL 94Front panel Designed and tested for IP65 and NEMA4X

27Display Update Time500 msThe display value can be filteredReference Accuracy± 0.2% fsv ±1 digit @ 25 °C and nominalpower supply voltage.Temperature

28Source Impedance100 Ω maximum for TC/mV inputLess than 20 Ω per wire for RTD inputInput ImpedanceGreater than 1 MΩ for TC/mV inputGreater than 400 K

29ReferencesUL 94 Tests for flammability of plastic materialsfor pans in devices and appliancesCEI 70-1 (IEC 529)Degrees of protection provided by enc

3Unpack theInstrumentWiringConfigurationOperatingParametersSVCongratulationsCongratulations on your purchase of one of the easiest toconfigure high/lo

30CALIBRATION PROCEDURECalibration parameters are logically divided into groupsof two parameters each – initial scale value and finalscale value. A c

31ProcedureSwitch on the instrument; the upper display will show“COnf”. Press the button; the upper display will show“CAL”.Using the and pushb

32109Measuring DeviceFigure 4. Measure Temperature Near Terminalsb) Wait a few minutes to allow temperature stabilizationof the entire system (compen

33AL Current Input Initial Scale Valuea) Connect calibrator and instrument as shown inFigure 7.109Figure 7. Calibrator Connectionb) The upper displa

34UL 10 VOLT Input Initial Scale Valuea) Connect calibrator and instrument as shown inFigure 9.109Figure 9. Calibrator Connectionb) The upper display

35MAINTENANCE1. Remove power from the power supply terminals andfrom relay output terminals.2. Remove the instrument from case.3. Using a vacuum clean

Cincinnati, OH800-666-4330http://www.supersystems.comManual Part No. 31302 7SLCopyright © 2001 Super Systems Inc.170.IU0.LHL.S00 027sl-z-00.p65 9/17/0

4CAUTION:USE WIRE SUITABLEFOR 75°C MINIMUM.NOTES• For supply connections use No 16 AWG or largerwires rated for at least 75 °C.• Use copper conductors

5MOUNTING REQUIREMENTSSelect a mounting location with the followingcharacteristics:1) Minimal vibration.2) An ambient temperature range between 0 and5

6DIMENSIONS AND PANEL CUTOUT45 mm, -0, +0.6 mm(1.772 in, -0, +0.024 in)45 mm, -0, +0.6 mm(1.772 in, -0, +0.024 in)75 mm(2.953 in)60 mm(2.362 in)122 mm

7WIRING GUIDELINESTerminal Layout134567891021113141512RS485NCOUT 2CLINEARNOCPWR LINE100/240Vac24 Vac/dcA/A'B/B'NODIG 1OUT 1C+_TCRTD+_daoLtne

8NOTE:1) Do not run input wires with power cables.2) High line resistance can cause measurementerrors.3) When shielded cable is used, ground it at one

9Thermocouple Compensating Cable Color Codes.ThermocoupleMaterialT Copper ConstantanJ/L Iron ConstantanK Nickel ChromiumNickel AluminumR Platinum/Plat