Maple Systems STEPware-100 - Manual (Page 64)

Print Text Command
ESC
P text terminator
text: up to 40 ASCII characters (printable or control)
Response: none
Description: Allows the host controller to send ASCII characters to a serial printer
attached to the OIT’s second serial port (OIT3250, OIT4450, and OIT5400 only).
Example: PRINT CHR(27); “PPrint this text!”; CHR(2)
Function Key LED Command
ESC
X functionLED# mode terminator
functionLED#:00 = all LEDs, 01 to 16 = function key LED#
mode: 0 = off, 1 = on, 2 = blink
Response: none
Description: Allows the host controller to control the OIT’s function key LEDs
(OIT3250, OIT4450, and OIT5400 only).
Example: PRINT CHR(27); “X022”; CHR(2)
Status LED Command
ESC
Y statusLED# mode terminator
status LED#: 0 = all LEDs, 1 to 8 = status LED#
mode: 0 = off, 1 = on, 2 = blink
Response: none
Description: Allows the host controller to control the OIT’s status LEDs (OIT3250,
OIT4450, and OIT5400 only).
Example: PRINT CHR(27); “Y31”; CHR(2)
System LED Command
ESC
Z systemLED# mode terminator
system LED#: 0 = all LEDs, 1 = run LED, 2 = print LED, 3 = alarm LED, 4 = message LED
mode: 0 = off, 1 = on, 2 = blink
Response: none
Description: Allows the host controller to control the OIT’s system LEDs (OIT3250,
OIT4450, and OIT5400 only).
Example: PRINT CHR(27); “Z00”; CHR(2)
Request Keyboard Buffer Status Command
ESC
? terminator
Response: status terminator
status: 0 = buffer empty
1 = keyboard input in progress (Block and Network modes)
2 = entire message buffered, waiting for Poll OIT Buffer control
command (Network mode)
Description: Allows the host controller to determine the status of the OIT’s Keyboard
Input Buffer.
Example: PRINT CHR(27); “?”; CHR(2)
Appendix A: Control Commands A-7
1010-0096, Rev. 04