Cooper Instruments & Systems DFI 200 Hand Held Indicator - Manual (Page 12)

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 conserve
battery power by automatically powering down if a button has not been pressed for the number of minutes selected.
Selections allow range from 0 to 300 minutes. If 0 minutes is selected then the instrument will not automatically
power down and must be switched off via the On Off pushbutton.
4.18 Baud rate for optional serial communications
Display:
Range:
Default Value:
Select from 300, 600,1200,2400,4800,9600,19.2 or 38.4 baud. This must be set to match the baud rate selected at
the sending device. Refer to chapter 6 for further details.
4.19 Parity for serial input
Display:
Range:
Default Value:
Select parity check to either
. This must be set to match the parity selected at the
sending device. Refer to chapter 6 for further details.
4.20 Output mode for serial communications
Display:
Range:
Default Value:
Allows user to select the serial interface operation as follows:
•
- sends image data from the display without conversion to ASCII.
• - sends ASCII form of display data at a rate typically 90% of the sample rate.
• - controlled by computer or PLC as host. Host sends command via RS232/485 and instrument
responds as requested.
• - This is a special communications mode used with Windows compatible optional PC download
software. Refer to the user manual supplied with this optional software.
Refer to chapter 6 for further details.
4.21 Instrument address for optional serial communications
Display:
Range:
Default Value:
Set unit address for polled (
) mode (0 to 31). Allows several units to operate on the same RS485 interface
reporting on different areas etc. The host computer or PLC may poll each unit in turn supplying the appropriate
address. The unit address ranges from 0 to 31 (DEC) but is offset by 32 (DEC) to avoid clashing with ASCII special