Inficon VGC501 - Page 95

tina96e1-b (2016-12) VGC501_VGC502_VGC503.om 95
Test of the program memory.
Transmit: TEP <CR>[<LF>]
Receive: <ACK><CR><LF>
Transmit: <ENQ> Starts the test (very brief)
Receive: aaaa,bbbbbbbb <CR><LF>
Description
aaaa Error word
bbbbbbbbbb Check sum (hex)
Caution
Caution: The relays switch irrespective of the pressure.
Starting a test program may cause unwanted effects in connected
control systems.
Disconnect all sensor cables and control system lines to ensure that
no control commands or messages are triggered by mistake.
Transmit: TIO [,a,b] <CR>[<LF>]
Description
a Test status, a =
0 –> Off
1 –> On
b Relay status (in hex format), bb =
00 –> All relays deactivated
01 –> Switching function relay 1 activated
02 –> Switching function relay 2 activated
04 –> Switching function relay 3 activated
08 –> Switching function relay 4 activated
10 –> Switching function relay 5 activated
20 –> Switching function relay 6 activated
40 –> Error relay activated
4F –> All relays activated
Receive: <ACK><CR><LF>
Transmit: <ENQ>
Receive: a,b <CR><LF>
Description
a I/O test status
b Relay status
TEP - FLASH test
TIO - I/O test