MSA 9010 SIL, Руководство по эксплуатации, Страница: 69 / 76

68
Appendix
GB
Model 9010/9020 SIL
Open / Short Circuit Failure Indication
X - Signal Failure (Failure LED)
XX - Alarm LEDs, Signal exceeded, Signal Failure (Failure LED)
XXX - Alarms only
XXXX – No change of indication
Wire (Terminal No.)
P+
(14 or 30)
S+
(15 or 31) P-
(13 or 29) Discon-
nect plug
Open circuit at
9010/9020
Terminal
X X X X
Open circuit at
max. cable length
X X X
Short circuit at
9010/9020 terminal
Between P+ and S+
(terminals 14 and 15, or
30 and 31)
XX Between P+ and P-
(terminals 13 and 14,
or 29 and 30)
X Between P- and S+-
(terminals 13 and 15,
or 29 and 31)
X
Short circuit at
max.cable length
Between P+ and S+
(Between terminals 14
and 15, or 30 and 31)
XX Between P+ and P-
(terminals 13 and 14,
or 29 and 30)
X
(Between terminals 13
and 14, or 29 and 30)
X
At conductor resis-
tance 0 -1.7 ohms
per lead
XX X X