Contemporary Research ICE-HE - Manual (Page 20)

Contemporary Research 20 ICE-HE Ethernet Head End
The following responses apply to the HE only.
Response Description
Key-I/O K “ „<‟,0,0,2,'K'," (6 bytes)
Sent when the Reset or Emergency buttons are pressed, or when I/O 1 or 2 receives a closure.
PC software or a control system connected to the Control RS-232 port can receive the response
and activate a programmed event.
101 = Reset button pressed
229 = Reset button released
102 = Emergency button pressed 230 = Emergency button released
103 = I/O 1 input closed 231 = I/O 1 input opened
104 = I/O 2 input closed 232 = I/O 2 input opened
Device Query SP " '<',0,0,4,'SP',, (8 bytes)
Sent in response to HE Device Status query.
Tip: If the number of present and expected devices match, the green Net LED on the HE will
blink once per second. If the two numbers do not agree, the LED blinks twice per second.