Siemens SAMMS-MV 用户手册
14
3 Operating the SAMMS-MV Device
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
SAMMS-MVX
LED
LED on
LED Flashing
Current
Unbalance
Unbalance
Impending
Trip
Trip
Overload
Trip
Trip
Incomplete
Sequence
Sequence
External
Trip Alarm
Trip Alarm
CPU
Fault
Fault
Ground
Fault
Fault
> 40%
20 - 40%
> 110%
> 100%
< 110%
< 110%
Overload
Start
Inhibit
Inhibit
Trip
Trip: Loss
of Load,or
Jamor
RTD input
of Load,or
Jamor
RTD input
Alarm: Loss
of Load or
Prcs Current
of Load or
Prcs Current
Trip: CPU
Failure or
Low Voltage
Failure or
Low Voltage
Trip
Alarm
CPU
Fault
Fault
Ground
Fault
Fault
Ready
Current
Unbalance
Unbalance
Impending
Trip
Trip
Overload
Trip
Trip
Incomplete
Sequence
Sequence
External
Trip/Alarm
Trip/Alarm
Reset/Test
L1
L2
L3
STOP or OFF
VARIABLE
VARIABLE
AUTO or
VARIABLE
VARIABLE
OFF or
VARIABLE
VARIABLE
HAND or
VARIABLE
VARIABLE
VARIABLE
VARIABLE
STOP or OFF
PB6
PB5
PB4
PB3
PB2
PB1
Figure 3.3 Ladder symbols used with the SAMMS-MV device (sheet 2)
Figure 3.4 Assignment of pushbuttons and light bars