Mitsubishi Electric AE630-SW Instruction Manual page 19

Table 5.1: Communication items (2/3)
Communication items
■Items for ETR
Trip cause LTD
STD
INST
GFR
ER
UVT
Trip history fault cause
current
date and time of occurrence
Alarm cause PAL1 P.U.
PAL1 OUT
PAL2 P.U.
PAL2 OUT
OVER
GFR
EPAL
ER
TAL
Alarm history alarm cause
date and time of occurrence
Module info. main setting module
optional setting module
NP (Neutral pole protection level)
Characteristics In (CT rating)
Ir (current setting)
Ip (pre-alarm pickup current)
nd
Ip2 (2 additional pre-alarm pickup current)
nd
Tp2 (2 additional pre-alarm delay time)
Iu/IL (uninterrupted/LTD pickup current)
TL (LTD delay time)
Isd (STD pickup current)
Tsd (STD delay time)
Ii (INST pickup current)
Ig (GFR pickup current)
Tg (GFR delay time)
Iep (EPAL pickup current)
Tep (EPAL delay time)
IΔn (ER pickup current)
Te (ER delay time)
Self diagnosis A/D converter error
EEPROM error
clock IC (RTC) error
main setting module error
option setting module error
CT Connector error
MCR switch error
TAL sensor error
■Items for breaker
State of breaker ACB ON
ACB OFF
Position of breaker connected
test
disconnected
Required
1)
option
Transmitted the cause using bit data when trip has occurred.
-
G1
E1 and ZCT
UVT
The trip information (last 10 trips) are stored in the EEPROM.
However, when Power supply module (P1-P5) is off,
-
any trip information are not stored.
Also, when the trip cause is UVT, current data is set to 0.
Transmitted the cause using bit data when alarm has occurred.
-
AP
-
G1
E1 and ZCT
TAL SENSOR
When a setting of alarm holding method is "Self-Holding",
the alarm information (last 10 alarms) except for PAL1 P.U.,
PAL2 P.U. and OVER can be stored in the EEPROM.
- On the other hand, when a setting of alarm holding method is
"Auto Reset", any alarm information are not stored.
Also, when Power supply module (P1-P5) is off, any alarm
information are not stored.
Transmitted the kinds of module attached to the ETR.
-
Transmitted the setting of adjustable switches on the face of
the ETR.
-
As for Iep and Tep settings, it is able to change from BIF-CC.
AP
-
G1
E1 and ZCT
Transmitted the error information detected by ETR.
If these error happens, please contact your nearest
MITSUBISHI representative.
-
MCR-SW
TAL SENSOR
Transmitted the state of breaker.
-
Transmitted the position of breaker in the cradle using
BIF-CON
BIF-CON and BIF-CL.
and
These information can be monitored even if internal
BIF-CL
transmission error has occurred.
E-19
Descriptions