Siemens SAMMS-MV User Manual

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

Impending
Trip

Overload
Trip

Incomplete
Sequence

External
Trip Alarm

CPU
Fault

Ground
Fault

> 40%

20 - 40%

> 110%

> 100%
< 110%

Overload

Start
Inhibit

Trip

Trip: Loss
of Load,or
Jamor
RTD input

Alarm: Loss
of Load or
Prcs Current

Trip: CPU
Failure or
Low Voltage

Trip

Alarm

CPU
Fault

Ground
Fault

Ready

Current
Unbalance

Impending
Trip

Overload
Trip

Incomplete
Sequence

External
Trip/Alarm

Reset/Test

L1

L2

L3

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