73A–308
Page 61
b. The PWR LED will be the only LED lit after the MSG LED goes out.
3. Send “A
crlf
” (invalid command) to the 73A-308.
a. The ERR LED and PWR LED will be lit. All other LEDs will be out.
b. Send “R
crlf
” (Reset) to the 73A-308
4. Send “E
crlf
” (Enable outputs) to the 73A-308.
a. The ENB LED and PWR LED will be lit. All other LEDs will be out.
5. Send “D;CB0;CB1
crlf
” (Disable outputs, Close Banks 0 and 1) to the 73A-308.
a. The R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, and PWR LEDs will all be lit.
All other LEDs will be out.
b. Send “R
crlf
” (Reset) to the 73A-308.
6. Press the MSD SEL button on the 73A-308 face plate.
a. The D1 LED will come on
b. Press the MSD SEL button again
c.
The D2 and PWR LEDs will be lit, all other LEDs will be out
d. Press the MSD SEL button repeatedly and watch the D1, D2, and D4 LEDs do a
binary count until all are lit, and then all LEDs will go out when the count
reaches zero.
Selftest and Power Default Output State
1. Send “S
lf
” (Selfttest) to the 73A-308.
2. Read “READY
crlf
”.
a. If the 73A-308 returns another ASCII string, the built in self test failed and the
string indicates what the failure was.
3. Send: “QRB
lf
” (Query Read Back status) to the 73A-308.
4. Read: “00000000000000000000
crlf
”
Summary of Contents for 73A-308
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