Cooper-instruments-systems DFI 200 Hand Held Indicator Manual de usuario Pagina 1

CF 112 1 Version 3.1-0 DFI 200 HAND HELD INDICATOR OPERATION MANUAL 1 INTRODUCTION This manual contains information for the operation of the D

CF 112 10 Version 3.1-0 Use of and as reference values. Note: do not use this facility if an optional external memory chip is connected. If using

CF 112 11 Version 3.1-0 Note that the zero operation is cumulative i.e. the zero operations are added in memory. For example if the display is scale

CF 112 12 Version 3.1-0 Default Value: Power off time - selects the automatic power off time in minutes. This function allows the instrument to c

CF 112 13 Version 3.1-0 function characters (such as <STX> and <CR>). Therefore 32 (DEC) or 20 (HEX) is address 0, 42 (DEC) or 2A (HEX)

CF 112 14 Version 3.1-0 Note: each external memory device should be allocated a unit address, see function. Valid addresses are 1 to 250. If the

CF 112 15 Version 3.1-0 6 SERIAL COMMUNICATIONS 6.1 DIP switch settings The RS232 communications can be enabled or disabled via a DIP switch SW7 loc

CF 112 16 Version 3.1-0 6.3 Serial communications function settings and commands With the communications enabled the following extra functions will

CF 112 17 Version 3.1-0 (set RS232/485 interface mode) Select or . Allows user to select the RS232/485 interface operation as follows:- • - Send

CF 112 18 Version 3.1-0 A typical format for the host command is:- <STX>CA<CR> (Standard read) Where: <STX> is Start of Text Cha

CF 112 19 Version 3.1-0 4. Invalid Command. If the command received from the host is not valid then the unit may return the following:- <ACK>?

CF 112 2 Version 3.1-0 2 ELECTRICAL CONNECTIONS Power for the DFI 200 is provided by a 9VDC (216) battery. The battery cover is located at the unde

CF 112 20 Version 3.1-0 Note: Figures in the table above apply when the digital filter setting is 0. Add 0.5 bits effective resolution for each step

CF 112 21 Version 3.1-0 found and returned as is or merely recalibrated. It may be possible for out-of-warranty products to be returned to the exac

CF 112 3 Version 3.1-0 3 FUNCTION TABLES – SUMMARY OF SETUP FUNCTIONS Functions in this first table are available in FUNC or CAL mode. Display Fun

CF 112 4 Version 3.1-0 4 EXPLANATION OF FUNCTIONS The DFI 200 setup and calibration functions are configured through a push button sequence. Two

CF 112 5 Version 3.1-0 scaling values may be entered for a single cell, allowing the same cell to display in different units e.g. Kilonewtons, Kilog

CF 112 6 Version 3.1-0 Default Value: Displays and sets the decimal point place. By pressing the or pushbuttons the decimal point position may

CF 112 7 Version 3.1-0 measurement mode. Any changes to the function selected when the button was pressed will not be saved. This function may be se

CF 112 8 Version 3.1-0 9. The display will now indicate (2nd calibration point). If you do not wish to enter the second point at this stage then p

CF 112 9 Version 3.1-0 4.11 Alternative mV/V calibration method Display: Range: Default Value: This function provides an alternative calibra