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Summary of Contents for microSYST MS8347
- Page 1 COMPETENCE IN MEASUREMENT WEIGHT BATCHING CONTROLLER with Analog Output and MODBUS RTU communication MS8347 V 2.3 TECHNICAL DESCRIPTION USER MANUAL PLOVDIV 2020 Document revision 2020-04-07...
- Page 2 CONTENT Стр ORDER CODE FEATURES III. ADVANTAGES DESIGNATION TECHNICAL DATA FRONT AND BACK PANEL. TERMINAL AND CONNECTION VII. OPERATING MODES VIII. OPERATING GUIDE SYSTEM PARAMETERS OF THE REGULATOR ACTIONS AGAINST INTERFERENCE COMMUNICATION - MODBUS RTU ORDER CODE MS 8347 - x.x.x.x.x.x.x.x.x.x Display ( 6 digit format) Speed Conversion Speed Conversion...
- Page 3 MODBUS RTU communication by galvanically insulated RS485. ● IV. DESIGNATION MS8347 is suitable for including in dosing or batching systems by weight method. The input signal is formed by bridge weight sensor which is supplied by the device. The sensitivity and the power supply of the sensor are hardware fixed and have to be specified in the order code.
- Page 4 V. TECHNICAL DATA Analog input from bridge weight sensor - power supply / sensitivity of the 5 V D / 1 ÷ 7 mV/ V sensor ........(other) - measurement accuracy 0.003% - temperature stability 5 ppm/ °C - conversion time without software According to the configuration of order code filter: and from SYST/rS485/bit6 menu:...
- Page 5 VI. FRONT AND BACK PANEL. TERMINAL AND ELECTRICAL CONNECTION Current output Connection of inputs S1, Vext 9 36 V S2, Tare, Zero/Start in two passive AOut and more devices to one External power supply signal source Current output DEVICE 1 active Aout 29 28 27 25 DEVICE 2...
- Page 6 VII. OPERATING MODES The controller is used as a part of controlling of processes for dosing of materials. Based on measured input weight three digital and one analog output are formed. They are supported 4 sets of operating set points(SP): Dose 1 / weight of switching K1 “dose 1”...
- Page 7 integrated can be used a pulse not constant input signal to avoid re-tare in power supply failure and restoration. On the front panel there is a Start/Stop button which is with analogous function or stops the process if it is already started. (Bit 0,Bit 1иBit 2) Inversion of the outputs is possible by parameter ConFiG Parameters dose1, 2 and 3 are dosing set-points (for example when mixing various ingredients)
- Page 8 Status / Event After Power ON After active input Start / Zero Display value PV_max PROG LED flashes It does not light Calculation of PV_max PV_max = 0 PV_max = PV With Tare input active PV_max = 0 PV_max = 0 The outputs function as in mode B.
- Page 9 8.1. SCREEN MENUS AND BUTTONS FUNCTION Button Function By pressing the button to change the on-screen menus in the following sequence : - Zero – Display the tare value - Count – Number of doses - Call – Calibration mode – it can be hidden - Prog –...
- Page 10 8.4. CALIBRATION - Call Before calibration the device has to be tared. Reference weight has to be placed. Allow to establish the value of the display. Enters “CALIBRATION” mode with button “Enter/Prog” . Use the arrows to correct the displayed value under placed reference weight. ...
- Page 11 IX. SYSTEM PARAMETERS OF THE CONTROLLER Available when button Enter/Prog is pressed after power until inscription „Tune“ appears on the ● display. After releasing the button “SYSt” appears on the display. After pressing the button „Enter/Prog” parameters from the following table appear on the display: Parameter Function Value...
- Page 12 “ConFiG” - Configuration word - sum of the numbers from chosen options have to be entered (i.е. Sum of 8 numbers) * Bit 0 Inversion of К1 output ** Bit 1 Inversion of К2 output Bit 2 Inversion of К3 output Enabled Bit 3 Calibration menu “Call”...
- Page 13 “ rS 485” - Configuration word - sum of the numbers from chosen options have to be entered (i.e. sum of 7 numbers) * WRITE DISABLE Bit 0 (It can be reset by menu of the device only) Bit 1 BROADCAST DISABLE Bit 2 EVEN PARITY...
- Page 14 XI. MODBUS RTU RS485 COMMUNICATION (option) The device is MODBUS RTU SLAVE with possibility for communication of 9600 bps by RS485 2WIRE line. In standard performance without using a repeaters, to one line can be connected up to 32 devices, with repeaters - up to 247. There is an option for a special performance for up to 128 devices without repeaters.
- Page 15 2530 BROADCAST DISABLE 1761 2531 EVEN PARITY 1762 For MS8347, DEV ID = 5457 ● Float parameters are in IEEC754 format. ● For START/STOP and TARE by network „cmd“ parameter is used ● - Record of 90 is equivalent to activation of input Start for ~ 50ms...
- Page 16 Date of Service Type of the repair of the entry number delivery repair Seller: ....Buyer: ....Bulgaria, 4000 Plovdiv, 4 Murgash str. Tel.: (+359 32) 642 519, 640 446 fax: (+359 32) 640 446 www.microsyst.net e-mail: info@microsyst.net Document revision 2020-04-07...
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