Siemens SG8158-00 manual Appendix E Schematics, IN1

P

1

2

Fuse

1

2

RES

RES

1

17

18

13

Optional

48

Trip

+

Fuse

Impedance

Impedance

PS

RS-485

RES

Common

Source

Sense

R

IN1

Communications

G

-

(see below)

49

&EnergySiemensInc.Automation,

.1EforDCTripWiringFigureSystems

CSRES

fortherelayISGSschemewhen usinga

Thediagramfollowingillustrates a

.1EDCTripSystem

ESchematics

Trip 1

Trip 2

Monitors

Trip Source

Power

Case

3CS

b-contacts

Impedance

Supply

Ground

95C

BI BSW

19

C

Sense Circuit

(DC-DC)

14

4

1

BI

Ground

PS

Relay

DC Supply

T

Trip

Monitor

IN2

Disabled*

20

DC trip

typical

2

15

2

11

16

12

(Station

ISGS Relay

Battery)

Monitors

*Contact is closed when

3

13

16

1

4

a-contacts

and trip coil

relay is out of service

.system

connection

52

52a

95C

LS

88

SRC

52T

52b

Optional

52a

Remote

Closing

Breaker

15

2

14

3

4

Fuse

3

4

N

Fuse

Key
52a	Aux Switch (open when breaker is open)
52b	Aux Switch (closed when breaker is open)				Shield	Incoming
52T	Opening Solenoid (Trip)				Data +
52SRC	Spring Release Solenoid					RS-485
88	Spring Charging Motor				Data -	Bus
CS/C	Control Switch/Close
CS/T	Control Switch/Trip	Optional	48	Data +	Data +
R	Red Lamp (breaker open)					Outgoing
G	Green Lamp (breaker open)	RS-485
				Data -	Data -
95C	Interposing Relay	Communications				RS-485
			49		Shield
LS	???					Bus

79

Appendix E: Schematics

E