4-CH 0-10V NTC 10K 0-20mA input 2-ch 0-10V analog output 4-ch isolated digital output

S7108 zigbee analog input, analog output, relay output PID control module is a high quality and low cost analog data acquisition module with one PID control. S7108 has total 4 channels input, 2 channels analog output and 4 channels isolated open-collector output . Each input has lightning and surge protection, the inputs can be any combination of 0-5V,0-10V,4-20mA,dry contact and NTC 10K thermistor. Analog output can output gradually through slew rate control and has default output when power up Output use RS485 or ZIGBEE wireless. Zigbee can realize the point-to-point, point-to-multipoint, multipoint-to-multipoint data transmission, can form a star, peer to peer and mesh network structure. Both of Rs485 and Zigbee using the industry standard Modbus protocol.

Highlights:

l         Surge-protected analog inputs with 12-bit resolution and 100k sample speed ADC

l         Input can be any combination of 0-10V,0-5V,4-20mA,NTC 10K thermistor and dry contact

l         The analog input channel number is configurable, can be set up from 1 channel through 4 channel, improve sample rate for small count analog input

l         Analog output can set power up output voltage and slew rate

l         All outputs can be controlled by PID

l         Any input can be set up link to PID

l         Reliable Zigbee can up to 3000 meters communication

l         Standard ModBus/RTU protocol allows for up to 254 unique devices on one  network

l         A lot of spare FLASH can be used to store user's parameters

l         RS232 /RS485 or ZIGBEE for optional

l         Can detect RS232/RS485 or ZIGBEE automatically, no need jumper

l         You can tell us your requirement. we will update our firmware even after you received the modules ,you can update your modules through Zigbee or RS232/RS485 .

Application:

ü        Remote data acquisition

ü        Process monitoring

ü        Industrial process control

ü        Energy management

ü        Supervisory control

ü        Security systems

ü        Laboratory automation

ü        Building automation

ü        Product testing

ü         Direct digital control

Technical data:

Input Resolution--------------------------------------------------------------------------12-bit

Input channel number-------------------------------------------------------------------------     4

Input range----------------------------0~5V,0~10V,4~20mA,10K thermistor, dry contact

Input protection--------------------------------------------------------------Lightning, static

Accuracy-----------------------------------------------------------------------------------±0.1%

Zero drift-----------------------------------------------------------------------------------------------±3uV/℃

       Sample rate----------------------------95 sample/second(4 channels),710 sample/second(1 channel) 

Output Resolution---------------------------------------------------------------------------------------12-bit

Output channel number-----------------------------------------------------------------------2

Output Range------------------------------------------------------------------------------0-10V

Accuracy:     

       Voltage Output------------------------------------------------------------±0.2% of FSR

Zero Drift:    

       Voltage Output-----------------------------------------------------------------±30uV/℃

Output Slew Rate:

       Voltage Output---------------------------------------------------------0.0625 – 64 V/sec 

       Digital Output number------------------- ------------------------------------------------------------------4

    Digital Output type----------------------- ---------------------------------Isolated open-collector output

Digital Output current------------------ --------------------------------------------------------40mA(max)

       Output BUS-------------------------------------------------RS232/RS485/Zigbee(detect automatically)

       Output Protection-----------------------------------------------------------------------------Lightning,static

       Power input---------------------------------------------------------------------------------12~24V(AC/DC)

       Power consumption------------------------------------------------------------------------------------<0.6W

Ambient temperature:

              Operation-----------------------------------------------------------------------------0~70℃(32~158℉)

                   Storage-------------------------------------------------------------------------------------------- -20~85℃(-4~185℉)

Ambient humidity-----------------------------------------------------------------------------------------------10%~90%RH

Material,enclosure-----------------------------------------------------------------------Flame proof plastic

Enclosure rating--------------------------------------------------------------------------------------------IP31

Colour---------------------------------------------------------------------------------------------------Ice Blue

Size---------------------------------------------------------------------------------------------100*69*25 mm

Wiring diagram and description:

                                                  Analog input and digital output wiring

                                                     Analog output wiring

Terminal define

1,Input wiring

AI1: Channel 1 signal input

AI2: Channel 2 signal input

AI3: Channel 3 signal input

AI4: Channel 4 signal input

AGND: common for all signal, connect together internal

2,Analog output wiring

AO1: Analog output channel 1

AO2: Analog output channel 2

3,Digital output wiring

OUT1: open collector output 1

OUT2: open collector output 2

OUT3: open collector output 3

OUT4: open collector output 4

OGND: Isolated power ground

4, Power wiring

       DC:   24V,   positive end

             GND,  negative end

AC:   24V,   hot line

GND,  neutral line

5, RS485 wiring, here is TTL level, we will provide RS485 to TTL card

TXD:TXD of MCU,TTL

RXD:RXD of MCU,TTL

GND: System ground

VCC: 5V power supply for Rs485 card can provide 100mA current for user sensor.

Note: The default communication baudrate is 19200 and default ID is 254, broadcast address is 255.Comm mode is 1 start bit,8 data bit,1 stop bit, no parity.

5, Reset parameter to default

Put the jumper between GND and INIT ,the following parameters back to default.

n         Address of device:  254

n         Baudrate:19200

n         Filter coefficient:10

6, LEDs indication

Heart: Flashing when the system is working

Comm: Flashing when serial port communication

NET: Will flash in Configuration mode, keep lighting when enter a wireless network successfully

RUN: Will flash in Configuration mode. Will flash when Zigbee module in working mode.

Jumpers Description:

A: Jumpers set at 0-5V ,the input can be pulse ,frequency, dry contact ,open-collector output, and NTC 10k thermistor, internal schematic refer to the following picture,.Water meter with reed and hall output signal can attach on input.

B: Jumpers set at 0-10V, the input can be 0 to 10V voltage input, refer to the following picture.

C: Jumpers set at 4-20mA, the input can be 4 to 20mA current input, see the following picture.

D: No jumpers, input is 0 to 5V voltage input, the input resistance can up to 1.2M ohms.