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futuredesion LIMIT L41, Руководство пользователя

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If  LOCK is selected for EIFN, terminals 16 & 17 will act as remote lock input. 
Turning the remote lock switch on will keep all the parameter setting from been 
changed. If the switch is opened the lock indicator is extinguished and the 
up/down key is enabled.

Setup

Setup

EIFN = LOCK

EIFN = LOCK

Figure 3-7 
Remote Lock 

Figure 3-7 
Remote Lock 

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

Remote
Lock

EI+

EI

If L_AN (Limit annunciator) is selected for OUT2, the output 2 will act as a Limit 
Annunciator. If the limit is or has been reached and the RESET key (or remote 
reset contacts)has not been pressed since the limit was reached, then the limit 
annunciator output will be energized and the OP2 indicator will be lit and 
remain unchanged until the RESET key or remote reset input is applied.

There are three reference data 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, displayed by                , which shows 
the minimum process value since the last UNLOCK operation. The 
abnormal time, displayed by               ,which shows the total accumulated 
time (minutes) during the process has been in abnormal condition since 
the last UNLOCK operation.
The values of reference data will be initiated as soon as the RESET key is 
pressed for 4 seconds (UNLOCK operation). After UNLOCK operation, the 
PV.HI and PV.LO values will start from the current process value and T.ABN 
value will start from zero.

There are three display mode strategies. DISP=SAFE, unit will display the 
word SAFE in the setpoint display whenever L41 is in a Non-Limit condition. 
If a Limit condition occurs, SAFE is replaced by the set limit value .Once 
the limit temperature returns to a Non-Limit condition, SAFE will be 
displayed again. 
Selecting either HSP1 or LSP1 will show the appropriate limit setpoint during 
all operation of the L41. 
Limit process variable is displayed at all times, regardless of DISP selection

Содержание LIMIT L41

Страница 1: ...R R RoHS RoHS...

Страница 2: ...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 L41 which will shut down the equipment at...

Страница 3: ...ing 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 Alarms 3 7 RS 485 Co...

Страница 4: ...mocouple 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 2 11 Ou...

Страница 5: ...ogram L91 1 use keys on front panel to program the unit manually 2 Use a PC and setup software to program the unit via standard configuration port The input signal is digitized by using a 18 bit A to...

Страница 6: ...2 0 None 1 Form C Relay 2A 240VAC 2 Pulsed voltage to drive SSR 5V 30mA 6 Triac Output 1A 240VAC SSR 7 Isolated 20V 25mA DC Output Power Supply 8 Isolated 12V 40 mA DC Output Power Supply 9 Isolated 5...

Страница 7: ...2 3 4 ON OFF Access Hole The programming port is used to connect to SNA12A for configuring with a PC The programming port is used to connect to SNA12A for configuring with a PC ON DIP 1 2 3 4 1 4 Keys...

Страница 8: ...RESET key is left pressed only ONE reset operation 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 an...

Страница 9: ...es These 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 FOR...

Страница 10: ...l segments of display and indicators are left off for 0 5 second All segments of display and indicators are lit for 1 5 seconds A D FAILURE DISPLAY If failure is detected in the A D converter circuit...

Страница 11: ...with version 10 Lock R R LIMIT CONTROL LIMIT CONTROL L41 L41 Display the hours used for 1 5 seconds The left diagram shows that the unit has been used for 23456 7 hours since production Lock R R LIMIT...

Страница 12: ...on Address for digital communication Baud rate Parity bit Analog output function Analog output low scale Analog output high scale Alarm function Alarm mode Alarm hysteresis value Alarm failure transfe...

Страница 13: ...ed 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 process value After the pr...

Страница 14: ...go off If the process 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 l...

Страница 15: ...f the process goes 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 pro...

Страница 16: ...utput 2 Low HSP L High HSP H Low LSP L High LSP H 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 E type thermocouple 4 B type thermocoupl...

Страница 17: ...10V linear voltage Parameter Notation Parameter Description Range Default Value INPT Input Type Selection 1 0 0 1 UNIT RESO Process Unit Display Resolution 0 Degree C unit 2 Process unit 1 Degree F un...

Страница 18: ...e FILT 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...

Страница 19: ...19999 High LSP H Low HSP L High 45536 Low LSP L High 45536 0 C 32 0 F 0 C 32 0 F 1000 0 C 1832 0 F 100 0 C 148 0 F OUT 2 Output 2 Function 0 No function 1 DC power supply output 2 Alarm output 3 Limi...

Страница 20: ...even parity 1 8 bit 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...

Страница 21: ...AL MD Alarm mode 0 AL HY Alarm hysteresis value Low 0 1 High 10 BC 18 0 BF 0 1 AOHI Analog Output High Scale Value Low 19999 High 45536 100 0 C 212 0 F 6 Process value high alarm 7 Process value low...

Страница 22: ...ument in areas under hazardous conditions such as excessive shock vibration dirt moisture corrosive gases or oil The ambient temperature of the areas should not exceed the maximum rating specified in...

Страница 23: ...r points as they may be internally connected causing damage to the unit Verify that the ratings of the output devices and the inputs as specified in Chapter 6 are not exceeded Except the thermocouple...

Страница 24: ...ing diagram Figure 2 4 Power Supply Connections Figure 2 4 Power Supply Connections This equipment is designed for installation in an enclosure which provides adequate protection against electric shoc...

Страница 25: ...placement Thermocouple input connections are shown in Figure 2 5 The correct type of thermocouple extension lead wire or compensating cable must be used for the entire distance between the unit and th...

Страница 26: ...h 2 7 RTD Input Wiring 2 7 RTD Input Wiring Two wire RTD should be avoided if possible for the purpose of accuracy 0 4 ohm lead resistance of a two wire RTD will produce 1 degree C temperature error 1...

Страница 27: ...igure 2 7 Linear Voltage Wiring 1 1 2 2 3 3 4 4 ON ON 0 1V 0 5V 1 5V 0 10V 0 1V 0 5V 1 5V 0 10V 0 60mV 0 1V 0 5V 1 5V 0 10V 0 60mV 0 1V 0 5V 1 5V 0 10V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19...

Страница 28: ...ollector signal The event input function EIFN is activated as the switch is closed or an open collector or a logic signal is pulled down Figure 2 9 Event Wiring Input Figure 2 9 Event Input Wiring 1 2...

Страница 29: ...put 1 Wiring 2 10 Output 1 Wiring 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 29 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 UM L41 Rev 2 Figure 2 10 Output 1 Wiring Figure 2 10 Output 1...

Страница 30: ...30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 UM L41 Rev 2...

Страница 31: ...6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3...

Страница 32: ...d of CC94 1 the cable must be modified according to the following circuit diagram 1 2 3 4 5 6 7 8 9 L41 TX1 TX1 RD 13 14 10 TX2 TX2 TD COM COM GND Female DB 9 Female DB 9 To DTE PC RS 232 Port To DTE...

Страница 33: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 33 UM L41 Rev 2...

Страница 34: ...parameters RESO IN LO Selects the low 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 Hidd...

Страница 35: ...1 6 for the limit control operation OUT1 Section 1 6 O1 HY Output 1 hysteresis value The hysteresis value is adjusted to a proper value to eliminate the relay jitter in a noisy environment O1 HY 3 3...

Страница 36: ...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 L41 can be used This is a first order filter with...

Страница 37: ...rm 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 Alarm AL MD NORM La...

Страница 38: ...Examples Examples 38 UM L41 Rev 2 SP2 200 AL MD NORM Examples Examples AL HY 10 0 AL FN PV H A...

Страница 39: ...ding to The controllers support RTU mode of Modbus protocol for the data communication Other protocols are not available for the series RTU Modbus The controller can output retransmit process value vi...

Страница 40: ...18 19 20 Two line Transmitter Two line Transmitter 4 20mA Caution Don t use the DC power supply beyond its rating current to avoid damage Purchase a correct voltage to suit your external devices See o...

Страница 41: ...orical PV displayed by which shows the maximum process value since the last UNLOCK operation The minimum historical PV displayed by which shows the minimum process value since the last UNLOCK operatio...

Страница 42: ...Chapter 5 Calibration Chapter 5 Calibration 42 UM L41 Rev 2...

Страница 43: ...f calibration fails return to factory Zero Normal Mode Setup Mode Ad0 ADG CJTL CJG REF SR 4 seconds 2 seconds RESET RESET RESET RESET RESET RESET RESET RESET RESET RESET RESET RESET RESET RESET Step 1...

Страница 44: ...in a still air room with temperature 25C 3C Power on unit at least 20 minutes for The unit under calibration is powered in a still air room with temperature 25C 3C Power on unit at least 20 minutes fo...

Страница 45: ...en the calibration fails If calibration fails return to factory Input modification and re calibration procedures for a linear voltage or a linear current input Input modification re calibration linear...

Страница 46: ...RR 120db Input Resolution Sampling Maximum Rating Temperature Effect Sensor Lead Resistance Effect 18 bits 5 times second 2 VDC minimum 12 VDC maximum 1 minute for mA input 1 5 uV C T C 0 2 uV ohm 3 w...

Страница 47: ...r 1 cycle Min Load Current 50 mA rms Max Off state Leakage 3 mA rms Max On state Voltage 1 5 V rms Insulation Resistance 1000 Mohms min at 500 VDC Dielectric Strength 2500 VAC for 1 minute Triac SSR O...

Страница 48: ...it LED Displays keypad 4 keys Programming Port For automatic configuration Communication Port Connection to PC for supervisory control Limit Control High Limit Low limit and High Low Limit programmabl...

Страница 49: ...unication error attempt to write a read only data or a protected data 14 Don t write a read only data or a protected data to the slave Communication error write a value which is out of range to a regi...

Страница 50: ...Table 5 1 Input Characteristics Table 5 1 Input Characteristics 50 UM L41 Rev 2...

Страница 51: ...51 UM L41 Rev 2...

Страница 52: ...UM L41 Rev 2 Future Design Controls Inc...

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