background image

Display the serial number ( 001~999 ) for 1
second.

Display the hours used for 2 seconds. The left
diagram shows that the unit has been used
for 23456.7 hours since production.

Figure 1-3 Power Up Sequence

Figure 1-3 Power Up Sequence

11

LSP1

PV

OP1

HSP1

SP2 LOCK

RESET

OP2

FDC-L91

LIMIT

L

F

L

F

L

C

L

C

LSP1

PV

OP1

HSP1

SP2 LOCK

RESET

OP2

FDC-L91

LIMIT

L

F

L

F

L

C

L

C

LSP1

PV

OP1

HSP1

SP2 LOCK

RESET

OP2

FDC-L91

LIMIT

L

F

L

F

L

C

L

C

UM L91-Rev 8

Содержание FDC-L91

Страница 1: ...User s Manual User s Manual LIMIT L91 Microprocessor Based Limit Controller LIMIT L91 Microprocessor Based Limit Controller LSP1 PV OP1 HSP1 SP2 LOCK RESET OP2 FDC L91 LIMIT F C...

Страница 2: ...ll shut down the equipment at a preset process condition in order to preclude possible damage to products or system It is strongly recommended that a process should incorporate a LIMIT like L91 which...

Страница 3: ...ing 2 10 Output 1 Wiring 2 11 Output 2 Wiring 2 12 RS 485 Chapter 3 Programming Chapter 3 Programming 3 1 Process Input 3 2 Limit Control 3 3 Setpoint Range 3 4 PV Shift 3 5 Digital Filter 3 6 Process...

Страница 4: ...2 5 Thermocouple Input Wiring Figure 2 6 RTD Input Wiring Figure 2 7 Linear Voltage Input Wiring Figure 2 8 Linear Current Input Wiring Figure 2 9 Event Input Wiring Figure 2 10 Output 1 Wiring Figure...

Страница 5: ...iversal input which is fully programmable for RTD PT100 thermocouple types J K T E B R S N L 0 60mVolt Volt and Milliamps An optional second output is available for one of the following functions alar...

Страница 6: ...C 50 60 HZ 5 11 26 VAC or VDC 9 Special Order 1 Standard Input Thermocouple J K T E B R S N L RTD PT100 DIN PT100 JIS mV 0 60 mV 2 Voltage 0 1 V 3 Voltage 0 10 V 4 Current 0 20mA 4 20mA 9 Special Orde...

Страница 7: ...d Display Note The programming port is used for off line setup and calibration procedures only Do not attempt to make any connection to these jumpers when the unit is on line Port is for bench setup o...

Страница 8: ...will occur If the unit subsequently goes into a state where reset is required again the RESET key or remote reset contacts must be released opened and pressed closed again UNLOCK KEY 4 seconds Press t...

Страница 9: ...e characters are displayed differently Table 1 1 Display Form of Characters Table 1 1 Display Form of Characters A E I N S X B F J O T Y C G K P U Z c H L Q V D h M R W DISPLAY FORM DISPLAY FORM 9999...

Страница 10: ...splay Date Code for 1 second The left diagram shows Year 2001 Month February 2 Date 25 th This means that the product is produced on February 25 th 2001 Note that the month code is for is for and is A...

Страница 11: ...unit has been used for 23456 7 hours since production Figure 1 3 Power Up Sequence Figure 1 3 Power Up Sequence 11 LSP1 PV OP1 HSP1 SP2 LOCK RESET OP2 FDC L91 LIMIT LF LF LC LC LSP1 PV OP1 HSP1 SP2 L...

Страница 12: ...lter time constant Output 1 function Output 1 hysteresis value Lower limit of HSP1 Lower limit of LSP1 Upper limit of HSP1 Upper limit of LSP1 Output 2 function Address for digital communication Baud...

Страница 13: ...t 1 relay will be energized and OP1 indicator will go off If the process goes above the high limit set point the relay will be de energized the OP1 indicator will go on and the display will show the p...

Страница 14: ...rocess goes below the low limit set point the relay will be de energized the OP1 indicator will go on and the display will show the process value After the process rises above the low limit set point...

Страница 15: ...oes above the high limit set point or below the low limit set point the relay will be de energized the OP1 indicator will go on and the display will show the process value After the process is within...

Страница 16: ...on Set point 2 Value for Output 2 Low HSP L High HSP H Low LSP L High LSP H See Table 6 1 100 0 C 212 0 F 0 C 32 0 F 90 0 C 194 0 F 0 J type thermocouple 1 K type thermocouple 2 T type thermocouple 3...

Страница 17: ...r Notation Parameter Description Range Default Value INPT Input Type Selection 1 0 0 1 17 UNIT RESO Process Unit Display Resolution 0 Degree C unit 2 Process unit 1 Degree F unit 0 No decimal point 1...

Страница 18: ...ILT PV Filter Time Constant 3 1 second time constant 0 0 second time constant 4 2 seconds time constant 5 5 seconds time constant 6 10 seconds time constant 7 20 seconds time constant 8 30 seconds tim...

Страница 19: ...00 0 C 1832 0 F 100 0 C 148 0 F OUT 2 Output 2 Function 5 Event input 0 No function 1 DC power supply output 2 RS 485 Communication 3 Alarm output ADDR Address Assignment of Digital COMM Low 1 High 25...

Страница 20: ...t odd parity 2 8 bit none parity 0 5 9 6 Kbits s baud rate 3 2 4 Kbits s baud rate 4 4 8 Kbits s baud rate 2 1 2 Kbits s baud rate AOFN Analog Output Function 0 Process value 1 High Limit Set point 1...

Страница 21: ...E 2 Remote lock for the unit 1 Remote reset for output 1 output 1 on 0 No event function 0 DISP Normal display format 0 PV HI Historical Max value of PV Low 19999 High 45536 PV LO Historical Min value...

Страница 22: ...xcessive moisture Do not use this instrument in areas under hazardous conditions such as excessive shock vibration dirt moisture corrosive gases or oil The ambient temperature of the areas should not...

Страница 23: ...eded It is recommended that power of these units to be protected by fuses or circuit breakers rated at the minimum value possible All units should be installed inside a suitably grounded metal enclosu...

Страница 24: ...commend the use of shielded thermocouple extension wire which connects the sensor to the unit This wire is a twisted pair construction with foil wrap and drain wire The drain wire is to be attached to...

Страница 25: ...round Local requirements regarding electrical installation should be rigidly observed Consideration should be given to prevent from unauthorized person access to the power terminals Proper sensor inst...

Страница 26: ...0 75 of sensed temperature half that for special plus drift caused by improper protection or an over temperature occurrence This error is far greater than controller error and cannot be corrected at...

Страница 27: ...ility of lead resistance compensation provided that the three leads are of same gauge and equal length 2 7 RTD Input Wiring 2 7 RTD Input Wiring Two wire RTD should be avoided if possible for the purp...

Страница 28: ...2 7 Linear Voltage Wiring Input Figure 2 7 Linear Voltage Input Wiring Figure 2 8 Linear Current Wiring Input Figure 2 8 Linear Current Input Wiring 0 60mV 0 1V 0 5V 1 5V 0 10V 0 60mV 0 1V 0 5V 1 5V...

Страница 29: ...r signal The event input function EIFN is activated as the switch is closed or an open collector or a logic signal is pulled down Open Collector Input Open Collector Input Switch Input Switch Input 1...

Страница 30: ...ter Load Three Phase Delta Heater Load No Fuse Breaker No Fuse Breaker Contactor 120V 240V Mains Supply 120V 240V Mains Supply Three Phase Heater Power Three Phase Heater Power To Controller Output To...

Страница 31: ...Relay or Triac Output 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 LOAD _ SSR 120V 240V Supply Pulsed Voltage to Drive SSR Pulsed Voltage to Drive SSR Sensor or Transmitter DC Power Supply Output DC Pow...

Страница 32: ...Max 247 units can be linked SNA10A or SNA10B RS 485 to RS 232 network adaptor TX1 TX2 PC RS 232 TX2 TX1 RS 485 Twisted Pair Wire Figure 2 12 RS 485 Wiring Figure 2 12 RS 485 Wiring UM L91 Rev 8 2 13...

Страница 33: ...scale value for the Linear type input IN LO IN HI Selects the high scale value for the Linear type input IN HI Hidden if T C or RTD type is selected for INPT Hidden if Hidden if T C or RTD type is sel...

Страница 34: ...lue The hysteresis value is adjusted to a proper value to eliminate the relay jitter in a noisy environment O1 HY 3 3 Set Point Range 3 3 Set Point Range HSP L Lower limit of HSP1 Hidden if LO is sele...

Страница 35: ...l Filter 3 5 Digital Filter In certain applications the process value is too unstable to be read To Improve this a programmable low pass filter incorporated in the L91 can be used This is a first orde...

Страница 36: ...ese are normal alarm and latching alarm Normal Alarm AL MD NORM When a normal alarm is selected the alarm output is de energized in the non alarm condition and energized in an alarm condition Normal A...

Страница 37: ...eeds Process proceeds 3 7 RS 485 Communication 3 7 RS 485 Communication Using a PC for data communication is the most economic way The signal is transmitted and received through the PC communication P...

Страница 38: ...low limit control OUT1 HI LO or indicate LSP1 value for low limit control OUT1 LO IF SAFE is selected the display will indicate the word SAFE for the normal condition However the display will indicate...

Страница 39: ...ly Application 1 2 3 4 5 6 7 8 9 10 V or mA Three line Transmitter or sensor Three line Transmitter or sensor 1 2 3 4 5 6 7 8 9 10 Bridge Type Sensor Bridge Type Sensor Caution Don t use the DC power...

Страница 40: ...EIFN EIFN REST Remote Reset 1 2 3 4 5 6 7 8 9 10 Figure 3 6 Remote Reset Application Figure 3 6 Remote Reset Application 3 11 Remote Lock 3 11 Remote Lock If EIFN is selected for OUT2 and LOCK is sel...

Страница 41: ...a contained in setup menu The reference data are read only data The maximum historical PV displayed by which shows the maximum process value since the last UNLOCK operation The minimum historical PV d...

Страница 42: ...9 10 1 2 3 4 5 6 7 8 9 10 Temperature Control Limit Control L N _ Rear View Mechanical Contactor L91 Rear View Reset Button Heater 42 Figure 4 1 Over Temperature Protection with Remote Reset Figure 4...

Страница 43: ...or recommended with following function 0 100mA millivolt source with 0 005 accuracy 0 10V voltage source with 0 005 accuracy 0 20mA current source with 0 005 accuracy 0 300 ohm resistant source with 0...

Страница 44: ...4 seconds Step 4 4 seconds Step 5 4 seconds Step 6 4 seconds Figure 5 1 Flow Chart for Manual Calibraton Figure 5 1 Flow Chart for Manual Calibraton Step1 Calibrate of A to D converter Short terminal...

Страница 45: ...mpensation Send a 0 00 C signal to the unit under calibration Calibrator K TC K K NOTE The unit under calibration is powered in a still air room at a temperature Allow at least 20 minutes for warming...

Страница 46: ...t If the display didn t blink then the calibration failed UM L91 Rev 8 The L91 being calibrated for Cold Junction Compensation MUST be programmed for K t c input Celsius display to performing the CJG...

Страница 47: ...R Input Resolution Sampling Maximum Rating Temperature Effect Sensor Lead Resistance Effect Burn out Current Common Mode Rejection Ratio CMRR Sensor Break Detection Sensor open for TC RTD and mV input...

Страница 48: ...C 1370 C 328 F 2498 F 48 Characteristics Type Range Input Impedance Input Impedance J 120 C 1000 C 184 F 1832 F 120 C 1000 C 184 F 1832 F K T E B 2 2 M 2 2 M 2 2 M 2 2 M 2 2 M 2 2 M 2 2 M 2 2 M 2 2 M...

Страница 49: ...nstalled at Output 2 DC Voltage Supply Characteristics Installed at Output 2 Type Tolerance Max Output Current Max Output Current Ripple Voltage Ripple Voltage Isolation Barrier Isolation Barrier 20 V...

Страница 50: ...l Weight 150 grams 50 User Interface 4 digit LED Displays keypad Programming Port Communication Port 0 4 10mm 4 keys For automatic setup calibration and testing Connection to PC for supervisory contro...

Страница 51: ...ses excepting only the cost or expense of repair or replacement of Future Design Control products as described below Future Design Controls sole responsibility under the warranty at Future Design Cont...

Страница 52: ...LIMIT FDC L91 Microprocessor Based Limit Controller LIMIT FDC L91 Microprocessor Based Limit Controller UM L91 Rev 8...

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