1.A serial port control 4 path input and 16 path output system profile:
JMDM RS-485/232 serial port control 4 path input and 16 path output system is an application of serial port control digital input and output system which independent research and developed by Shenzhen Jingmin digital machine Co.,Ltd. Mainly realized by the computer and industrial-grade high reliability and the opto-isolated digital inputs and outputs serial controller. It’s with simple operation, Anti-interference, stable, powerful, economical and practical features. With high performance, low cost, easy-to-use solution for a variety of digital switch controller,
A complete set of serial control input-output system consists of seven parts: JMDM Industrial-grade high-reliability serial controller, Serial communication line, Computer with RS232 interface, external input device, external output device, and power supply. The core components is JMDM industrial-grade high reliability and the opto-isolated serial controller.JMDM-4DI16DO which independent research and development by our company, 4-path full-optically isolated digital signal inputs and 16-path full-optically isolated digital signal output can be independently controlled or PC serial port control. It can be used to collect the 4-path digital switch signal input, Such as photoelectric sensors, Hall sensors, proximity switches, infrared sensors and other digital signal input. It can control 16-path input and output: Solenoid valve, Cylinder, relay, LED light string, normal motor and implementation of the device. Jingmin PC serial port control system provides general applications, the output control button and enters the Display button, convenient for customers to use directly. The customers don’t need to know any specialized programming language, directly use JMDM PC serial port control software to realize the computer PC serial port control digital signals input and output, While providing a VB example of the host computer serial port control procedures and communication protocols, User-friendly On this basis, the secondary development of integrated, Can be used within the 20-way I / O to learn, experiment, industrial applications.
2. System instructions
2.1 Hardware connection Notes
1) JMDM-4DI16DO by AC 18V power supply or DC 24V power supply, selection of high quality power supply
2) Note the connection between strict accordance with product instructions behind the attached wiring diagram to connect part of the external digital input, part of the external digital output, controller and power supply. Power wiring to be stricter; carefully check to make sure the correct and then take, otherwise it will burn out the controller or an external input and output devices.
3)when use DC 24V or 12V power supply, the external input and output of the controller to match with the corresponding external input and output devices.
2.2 Jingmin PC serial port control software instructions
1) Install software:
Open the PC software monitoring package; Double-click the ‘setup’ installation software finished, or double-click the ‘exe’ files in the support folder directly/
2) Select the serial number and the controller address:
To select the serial port to operate in the serial port selection box ( view which serial it is in the Device Manager, Computer without serial port need to use USB to transform the serial device and install its driver),
Select the controller to operate the serial port selection box, when Serial port controls of one controller, select the controller 1.
3) Detection the input state of the input points: In the Input detection dialog box you can see the status of the four input points
4) Control the output states of the output points: In the output detection dialog box you can control the output state of 16 output points.
2.3 Extended functional description of the PC software
1) Use Serial deb ing aides issued a string instruction to control I / O;
The customer may or may not use JMDM host computer software, and the secondary development of their own communication protocol, or use the general software, such as serial deb ing aides to send characters to control I / O; For simple applications using the RS232 communication between the computer and the controller is One-on-one relationship; The maximum communication distance is 10 meters,; For complex applications can be used RSD485 communication between the computer and the controller is one- to -many relationship; The maximum communication distance is 15 meters, Each controller can be set to a different address, a computer or master PLC can up to control 255 controllers.
Communication protocols are as follows
Baud rate: 9600 Parity: No Data bits: 8 Stop bit: 1
1、The computer to send to the controller:
1)One path transistor output: OFF: O ( 00,01,0 )E, ON: O ( 00,01,1 )E:
2)Two path transistor output: OFF: O (00,02,0 )E, ON: O ( 00,02,1 )E;
3)Three path transistor output: OFF: O (00,03,0 )E, ON: O ( 00,03,1 )E;
4)Four path transistor output: OFF: O (00,04,0 )E, ON: O ( 00,04,1 )E;
5)All transistor output: Total close: O (00,00,0 )E, Total Open: O ( 00,00,1 )E
6)Read the status of the input point: O (00,20,1)E Command controller to return to the input data;
7)Read the status of the output point: O (00,30,1)E Command controller to return to the data from the first path to the eight path;
8)Read the status of the output point: O (00,40,1)E Command controller to return
to the data from the ninth path to the sixteenth path;
2、Controller is sent to the computer input state:
I (00, 0000) E the last four numbers corresponding to the status of the four input points, 0 is for no input, 1 is for input.
3、Controller is sent to the computer output state:
O (00, 00000000) E the last eight numbers corresponding to the status of the four output points, 0 is for no output, 1 is for output.
4、Address Setting Software； OA(00)E
2) Multiple network constitute a large-scale remote monitoring control system；
Trough the Address coding and RS454 networking, a host can address up to control 255 controllers, a computer with 255 dimming controller formed large-scale remote monitoring and control system; The distance between multiple controllers, the controller and the host can be extended through RS485 power bus (up to 1000 meters), so that the host can be placed far away from the controller, To realize the remote network control.
3) Customized demand:
According to customer's specific needs, customized to meet customer requirements of diversity, individuality, application control system functions and the PC control software, Such as timing, loop automatic control digital input and output; or programming to set the logical relationship between the input and output.
3. Performance parameters
1、Working power: The main power: AC18V ( DC24)；Peripheral drive power: DC24V or DC12V:
2、The main control chip: Eight high-performance single-chip-microcomputer;
3、Storage space; Program storage space: 32K (If there is a specific need, can use 64 K); data storage space: 16K (If there is a specific need, can use 32 K): save the date, data is not lost after power failure;
4、Input and Output: Up to 4 inputs, 16 outputs Input and output points can be customized according to customer needs. 4 opto-isolated digital inputs, NPN input forms, input current is 10 MA; of which two can be used as an interrupt source used to count, 16 opto-isolated digital outputs Eight of the path is for NPN transistor output, Output voltage is 24/12V, Maximum current is 4A, in addition, eight is a PNP transistor output, output voltage is 24V/12V, Maximum output current is 4A, The output status can be read back.
5、System stability: Use Optical isolation and enable the internal watchdog and rigorous high-frequency filter characteristics, make the system working stable and reliable, the driver start-up time in less than a second time.
6、Interface: a standard RS232 serial communication interface (anti-static shock of 15V), can download program by RS232 interface directly, no need burner, Convenient the procedure to modify and upgrade, Can also write the host computer software and computer or touch screen, text display peripheral communication and so on.
7、working status indicator: 2 LED indicators, Two DIP switches according to the procedure need to set the state of the program or program parameters.
8、Shell with screws or rail mounting, integrated compact design：
Shell size: L * W * H: 146mm*90mm*40mm;
Internal control plate size: L * W * H: 122mm*86mm*28mm;
Selection tip:
The above serial control input and output system, Only 4 digital inputs, but have 16 digital outputs, other related products:
JMDM Series I / O controller: JMDM-20DIOV2 ( 12 input and 8output, 4MTMR/8MT/8MR )、JMDM-28DIOMT/MR ( 16 input and 12 output MT/MR )、JMDM-40DIOMR ( 20 input and 20 output MR )、JMDM-COM40MT (40 path transistor output )、JMDM-COM40MR (40 channel relay output );
JMDM series analog controller：JMDM-10DIO10AIO、JMDM-20DIO4AIO、JMDM-120MBADDA;
JMDM series motion controller: JMDM-20DIOV2、JMDM-2011、JMDM-20DIODISP、JMDM-1830、JMDM-120DIOADD.
4. Applications:
1、Serial communication and control automation equipment
2、Automated quality detector;
3、Production line of intelligent detection system；
4、The detection of a variety of sensor input signal；
5、Various actuators such as control of the implementation of the solenoid valve, cylinder, 5. Ordering information
Control panel electronic board information (include JMDM serial control system、
instructions、wiring diagram)、mounting screws;
Delivery way: Express delivery
6. After-sales service
1、Since the date of the product sold under the normal use of the hardware failure, one year warranty, repair cost is charged only after the warranty period. Due to natural forces and man-made damage, failure to use of the use, inappropriate operation, overhaul, or beyond the scope of abuse, such as caused by the failure, not covered under warranty
2、Gifts or accessories of the transformer, the serial communication line is consumable items not covered under warranty
3、Technical support: Provide remote telephone, network online technical support.
