Galil DMC-2X00 user manual Operator Data Entry Mode, Keyword Function

The load is coupled with a 2 pitch lead screw. A 2000 count/rev encoder is on the motor, resulting in a resolution of 4000 counts/inch. The program below uses the variable len, to length. The IN command is used to prompt the operator to enter the length, and the entered value is assigned to the variable LEN.

Instruction	Interpretation
#BEGIN	LABEL
AC 800000	Acceleration
DC 800000	Deceleration
SP 5000	Speed
len=3.4	Initial length in inches
#CUT	Cut routine
AI1	Wait for start signal
IN "enter Length(IN)", len	Prompt operator for length in inches
PR LEN *4000	Specify position in counts
BGA	Begin motion to move material
AMA	Wait for motion done
SB1	Set output to cut
WT100;CB1	Wait 100 msec, then turn off cutter
JP #CUT	Repeat process
EN	End program

Operator Data Entry Mode

The Operator Data Entry Mode provides for un-buffered data entry through the auxiliary RS-232 port. In this mode, the DMC-2x00 provides a buffer for receiving characters. This mode may only be used when executing an applications program.

The Operator Data Entry Mode may be specified for Port 2 only. This mode may be exited with the \ or <escape> key.

NOTE: Operator Data Entry Mode cannot be used for high rate data transfer.

Set the third field of the CC command to zero to set the Operator Data Entry Mode.

To capture and decode characters in the Operator Data Mode, the DMC-2x00 provides special the following keywords:

Keyword	Function
P2CH	Contains the last character received
P2ST	Contains the received string
P2NM	Contains the received number
P2CD	Contains the status code:
	-1 mode disabled
	0 nothing received
	1 received character, but not <enter>
	2 received string, not a number
	3 received number

NOTE: The value of P2CD returns to zero after the corresponding string or number is read.

106 • Chapter 7 Application Programming DMC-2X00