♦Adopted highly integrated industrial 32-bit ARM MCU
♦Reliable performance with built-in double watchdog, 24×7 operation
♦With signal filtering mechanisms
♦Network-reconnect and retransmission to ensure data accurately transmit
♦Update RTC automatically or manually, clock source support Sms, NTP, CwtIO Server
♦Can set multiple timers(second, minute, day, week, month) to upload data
♦Provide configure software, visual programming
♦Optional inside battery that life is 8-20 hours, cellular module Intelligent sleep when power los
SCH-L2020S 3G 4G Wifi Rtu Modem Iot Gateway
For acquiring the remote operating parameters and process management, SCH-L2020S IOT M2M Gateway help machine to access internet via GPRS/4G/Wi-Fi and establish TCP/IP connection with server.SCH-L2020S can be widely used in industrial automatic control, base station / computer room monitoring, environmental monitoring, water conservancy project, power industries, agriculture, etc.
Product Overview
| NO. | Mode|No. | I0 channel | Remark |
| 1 | SCH-L0000S | RS485 | Dl:digital input (dry contact DO:digital output (transistor output) Al:analog input (4-20mA) Tl:temperature humidity input RS485:modbus,read 16 registers network Option:2G or 3G/4G or Wi-F Standard package list gatewayx1,antennax1,USB cablex1 configure software,Free cloud service |
| 2 | SCH-111015 | 1DI+1DO+1TI+R5485 | |
| SCH-L1101 | 1DI+1DO+1TI | ||
| 3 | SCH-10111S | 1DO+1Al+1TI+RS485 | |
| SCH-L0111 | 1DO+1Al+1Tl | ||
| 4 | SCH-L0021S | 2Al+1TI+RS485 | |
| SCH-L0021 | 2Al+1Tl | ||
| 5 | SCH-L0040S | 4Al+RS485 | |
| SCH-L0040 | 4Al | ||
| 6 | SCH-L2020S | 2DI+2Al+RS485 | |
| SCH-L2020 | 2D|+2Al | ||
| 7 | SCH-L1120S | 1DI+1DO+2Al+R5485 | |
| SCH-L1120 | 1DI+1DO+2Al |
SCH-L2020S Options and Basic Features
| Model No | Port | Network | Simeard needed |
MQTT | Remark |
| CWT-L2020S-2G | 2 DI(digital input) 2 Al (analog input) 1 RS485 |
2G(GSM) | √ | X | 1.4G include 3G and 2G,if 2G has been shut down in your area please choose 4G 2.Wi-Fi version don't need simcard,but without sms features |
| CWT-L2020S-4G | 4G | √ | √ | ||
| CWT-L2020S-4G-GPS | 4G+GPS | √ | √ | ||
| CWT-L2020S-wifi | Wi-Fi | X | X | ||
| CWT-L2020-2G | 2 DI (digital input) 2 Al(analog input) |
2G(GSM) | √ | X | |
| CWT-L2020-4G | 4G | √ | √ | ||
| CWT-L2020-4G-GPS | 4G+GPS | √ | V | ||
| CWT-L2020-wif | Wi-Fi | × | × |
2G/4G Version Standard Package
| Core | MCU | Cortex M332-bit ARM |
| Power | Power supply | 9-28V DC(Standard adapter:DC 12V/1.5A |
| Consumption | 12V input Max.150mA/Average 50mA | |
| Network | Optional Network | GSM/GPRS(4 band 850/900/1800/1900Mhz) FDD LTE(4G) Wi-Fi,802.11 b/g security WEPWPAWPA2 |
| Config port | Mini ISR | PL2303 chip |
| Other interface | SIM/UIM | Standard user card interface |
| Antenna | Standard SMA female interface (50Ω) | |
| Others | Optional Battery | ithium-polymer,500mAh/3.7V,life:8-20 hours |
| Working Environment |
temperature | -30℃~+70℃ |
| humidity | 5～95%(non-condensing | |
| Physical | Terminals | 1×8pin 3.81mm spacing,pluggable |
| Housing | Providing IP30 protection | |
| Dimension | 88×60×25mm | |
| Weigh | 150G |
FAQ
Can I get a lower price if I order large quantities?
Yes, Cheaper prices with bigger size orders, please contact us and we will give you a quatation.
Can you produce according to the samples or drawings?
Yes, we can produce by your samples or technical drawings. We can build the molds
What is the lead time?
For standard models, lead time is about 3~5 days after order confirmed and payment received.
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