BRAINCHILD ELECTRONIC CO.,LTD.
Brainchild is the largest controller maker in Taiwan, and the only maker of paperless recorder in Taiwan. With good quality and competitive prices, our paperless recorders have been sold over 70 countries in the world. A strong and experienced R&D team allows us to offer customers innovative and state-of-art paperless recorders all the years, including high performance paperless recorder, 18 channel paperless recorder, and paperless chart recorder. It is our philosophy in pursuit of perfection through continuous improvement.
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L41

Categories  > Process Controllers > Limit controllers

Product Name: 96 x 96 mm limit controller
Description: The limit control LIMITROL L41 is an over temperature or a high limit safety device with a latching output that could remove the power while the process is in abnormal condition, for example the process higher than high limit set point or lower than the low limit set point.
Specification: Power
90 - 250 VAC, 47 - 63 Hz, 10VA, 5W maximum
11 - 26 VAC / VDC, SELV, Limited Energy, 10VA, 5W maximum

Signal Input
Resolution : 18 bits
Sampling Rate : 5 times / second
Maximum Rating : -2 VDC minimum, 12 VDC maximum( 1 minute for mA input )
Temperature Effect : ±1.5 uV/ °C
                              input ±3.0 uV/ °C for mA input
Sensor Lead Resistance Effect :
   T/C: 0.2uV/ohm
   3-wire RTD: 2.6 °C/ohm of resistance difference of two leads
   2-wire RTD: 2.6 °C/ohm of resistance sum of two leads
Burn-out Current : 200nA
Common Mode Rejection Ratio ( CMRR ) : 120dB
Normal Mode Rejection Ratio ( NMRR ) : 55dB
Sensor Break Detection :
   Sensor open for TC, RTD and mV inputs,
   Sensor short for RTD input,
   below 1 mA for 4-20 mA input,
   below 0.25V for 1 - 5 V input, unavailable for other inputs.
Sensor Break Responding Time :
   Within 4 seconds for TC, RTD and mV inputs,
   0.1 second for 4-20 mA and 1 - 5 V inputs.

Characteristics :

Type
Range
Accuracy@ 25 °C
Input Impedance
J

-120 ~ 1000 °C
(-184 ~ 1832 °F)

±2 °C
2.2MΩ
K
-200 ~ 1370 °C
(-328 ~ 2498°F)
±2 °C
2.2MΩ
T
-250 ~ 400°C
(-418 ~ 752°F)
±2 °C
2.2MΩ
E
-100 ~ 900 °C
(-148 ~ 1652 °F)
±2 °C
2.2MΩ
B
0 ~ 1800 °C
(32 ~ 3272 °F)
±2 °C
(200°C - 1800°C)
2.2MΩ
R
0 ~ 1767.8 °C
(32 ~ 3214 °F)
±2 °C
2.2MΩ
S
0 ~ 1767.8 °C
(32 ~ 3214 °F)
±2 °C
2.2MΩ
N
-250 ~ 1300 °C
(-418 ~ 2372 °F)
±2 °C
2.2MΩ
L
-200 ~ 900 °C
(-328 ~ 1652 °F)
±2 °C
2.2MΩ
PT100
(DIN)
-210 ~ 700 °C
(-346 ~ 1292 °F)
±0.4°C
1.3KΩ
PT100
(JIS)
-200 ~ 600 °C
(-328 ~ 1112 °F)
±0.4°C
1.3KΩ
mV
-8 ~ 70mV
±0.05%
2.2MΩ
mA
-3 ~ 27mA
±0.05%
70.5Ω
V
-1.3 ~ 11.5V
±0.05%
650KΩ

Output 1 / Output 2
Relay Rating : 2A/240 VAC, life cycles 200,000 for resistive load
Pulsed Voltage : Source Voltage 5V, current limiting resistance 66Ω

Triac ( SSR ) Output
   Rating : 1A / 240 VAC
   Inrush Current : 20A for 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

Alarm
Alarm Relay :Form C,Max. rating 2A/240VAC, life cycles 200,000 for resistive load.
Alarm Functions : Dwell timer,
                            Deviation High / Low Alarm,
                            Deviation Band High / Low Alarm
                            Process High / Low Alarm
Alarm Mode : Normal, Latching, Hold, Latching / Hold.
Dwell Timer : 0.1 - 4553.6 minutes

Data Communication
Interface : RS-232 ( 1 unit ), RS-485 ( up to 247 units )
Protocol : Modbus Protocol RTU mode
Address : 1 - 247
Baud Rate : 2.4 ~ 38.4 Kbits/sec
Data Bits : 7 or 8 bits
Parity Bit : None, Even or Odd
Stop Bit : 1 or 2 bits
Communication Buffer : 160 bytes

Analog Retransmission
Output Signal : 4-20 mA, 0-20 mA, 0-1V, 0-5V, 1-5V, 0-10V
Resolution : 15 bits
Accuracy : ±0.05 % of span ±0.0025 %/ °C
Load Resistance : 0 - 500 ohms ( for current output ),10 K ohm minimum ( for voltage output )
Output Regulation : 0.01 % for full load change

User Interface
Dual 4-digit LED Displays :
Keypad : 4 keys
Programming Port : For automatic setup, calibration and testing
Communication Port : Connection to PC for supervisory control

Limit Control
High Limit, Low Limit and High/Low Limit programmable

Digital Filter
Function : First order
Time Constant : 0, 0.2, 0.5, 1, 2, 5, 10, 20, 30, 60 seconds programmable

Environmental & Physical
Operating Temperature : -10°C to 50°C
Storage Temperature : -40°C to 60°C
Humidity : 0 to 90 % RH ( non-condensing )
Altitude : 2000m maximum
Pollution : Degree 2
Insulation Resistance : 20 Mohms min. ( at 500 VDC )
Dielectric Strength : 2000 VAC, 50/60 Hz for 1 minute
Vibration Resistance : 10 - 55 Hz, 10 m/s² for 2 hours
Shock Resistance : 200 m/s² ( 20 g )
Moldings : Flame retardant polycarbonate
Dimensions : 96mm(W) X 96mm(H) X 65mm(D), 53 mm depth behind panel
Mounting : panel mount, cutout 92 X 92 ( mm )
Weight :250 grams

Event Input
Logic Low: Logic -10V minimum, 0.8V maximum.
Logic High: 2V minimum, 10V maximum.
Functions: Remote reset, remote lockout.

Approval Standards
Safety : UL 61010C-1 , CSA C22.2 No. 24-93 , EN61010-1 (IEC1010-1)
Protective Class :
          IP65 front panel with additional option,
          IP50 front panel without additional option,
          all indoor use,
          IP 20 housing and terminals with protective cover.
EMC : EN61326
Other Description:

L41 - □□□□□□□□
            1      2      3      4      5      6      7      8      

1     Power Input
               4: 90 - 250 VAC, 47 - 63 HZ
               5: 11 - 26 VAC or VDC, SELV, Limited Energy

2     Signal Input
               1: Standard Input
                         Thermocouple: J, K, T, E, B, R, S, N, L, C, P
                         RTD: PT100 DIN, PT100 JIS
               2: Voltage 0-1 V
               3: Voltage 0-10 V
               4: Current 0-20 mA
               5: Voltage : 0-5 V
               9: Special Order

3    Output 1
               0: None
               1: Relay rated 2A / 240VAC
               2: Pulsed voltage to drive SSR, 5V / 30mA
               6: Triac output 1A / 240VAC,SSR
               C: Pulsed voltage to drive SSR, 14V/40mA
               9: Special order

4    Output 2
               0: None
               1: Form A relay 2A / 240VAC
               2: Pulsed voltage to drive SSR, 5V / 30mA
               6: Triac output, 1A / 240VAC, SSR
               7: Isolated 20V / 25 mA DC Output Power Supply
               8: Isolated 12V / 40 mA DC Output Power Supply
               9: Isolated 5V / 80 mA DC Output Power Supply
               C: Pulsed voltage to drive SSR, 14V/40mA
               H: Special order

5   Communications
               0: None
               1: RS-485 interface
               2: RS-232 interface
               3: Retransmit 4 - 20 mA / 0 - 20 mA
               4: Retransmit 1 - 5V / 0 - 5V
               5: Retransmit 0 - 10V
               9: Special order

6   Options
               0: IP50 standard, non UL certified
               1: IP65 water resistant rubber installed, non UL certified
               2: IPx0 UL certified

7 , 8   Standard leave blank Special Order AA-ZZ

 
This is the specification for L41, 96 x 96 mm limit controller which includes model, name, description and specification for L41, 96 x 96 mm limit controller. Related Keywords : limit controller

 

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Address :  6F, No.209, Chongyang Rd., Nangang District, Taipei, 115,Taiwan (R.O.C.)
Telephone :  886-2-27861299  Fax :  886-2-27861395  
Sales email : sales@brainchild.com.tw 

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