Tonghui TH2827 Series - Page 121

TH2827 Series Operation Manual Chapter 7 Command Reference
115
21 /SREJ The secondary parameter is not
good: the test result is not in the
range of the high limit and the low
limit.
22
23
24
NC
NC
NC
Not connect.
25 /KEY LOCK When this line is effective, the
keys in the front panel are locked.
27
28
EXT.DCV1
The external DC voltage 1：the
pull-up DC power provider pin for
optoelectronic coupling
signal(/BIN-/BIN9,/AUX,
/OUT,/PHI,/PLO,/SREJ).
29 /ALARM When circuit is interrupted,
/ALARM is effective.
30 /INDEX When the analog test is finished
and the UNKNOWN terminal can
be connected to another DUT,
/INDEX is effective. But the
comparison signal is effective until
/EOM is effective.
31 /EOM
End Of Measurement：when the
test data and the compared result
are effective, this signal is
effective.
32,33
COM2 The reference ground for external
power EXTV2.
34,35,36
COM1 The reference ground for external
power EXTV1.
Table 2 signal distribution for the pins