Siemens FC2005, Installation, Operation And Maintenance Manual

Page: 44 / 101

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Wiring terminals located on top of main board
Status Relays
Four relays with dry contacts are provided at the upper right corner of the main board. One
relay is programmable and the trouble relay, supervisory relay and alarm relay are non-
programmable. The relay contacts are Form C and are rated for 2 A @ 30 VDC resistive.
T_NC
T_CO
T_NO
Status relays
Trouble event relay
A_NC
A_CO
A_NO
U_NC
U_CO
U_NO
S_NC
S_CO
S_NO
Alarm event relay
User defined relay
Supervisory event relay
Auxiliary Power Outputs Wiring
The main board provides resettable and non-resettable auxiliary power connections. The
resettable terminal interrupts the power for 5 seconds after a reset condition.
Auxiliary Power Outputs
Max. 0.75 A @ 24 VDC nominal
Supervised, Power Limited
X1_P
X1_N
X2_P
Auxiliary power outputs
X2_N
Resettable
Non-resettable
E
A
R
T
H
S
_B
N
S
_B
P
E
A
R
T
H
S
_A
N
S
_A
P
X
2_
P
X
2_
N
X
1_
P
X
1_
N
E
A
R
T
H
S
E
_B
S
E
_A
G
N
D
1
E
A
R
T
H
P
R
_B
P
R
_A
G
N
D
1
C
T
_P
C
T
_N
LL
_S
P
LL
_S
N
N
_
B
P
N
_
B
N
N
_
A
P
N
_
A
N
D
A
C
T
P
O
R
T
1
D
A
C
T
P
O
R
T
2
S
_N
O
S
_C
O
S
_N
C
U
_
N
O
U
_
C
O
U
_
N
C
A
_N
O
A
_C
O
A
_N
C
T
_N
C
T
_C
O
T
_N
O
Power limited Non power limited
P2 device
circuit
Auxiliary power
output
Series Interface
Circuit
City tie and
lease line
NAC DACT Status Relays
Relay contacts
(Shown in normal standby
condition)
2 A @ 30 VDC max. resistive
Supervised
NC
–
Normal closed
NO
–
Normal open
CO – Common
Keep All Non-Power Limited Wiring Separate from Power Limited Wiring
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