Generac Power Systems 40-400A, Operation And Maintenance Manual

Page: 18 / 40

1 2 3
4
5 6
7
8
9
10 11 12 13 14 1 2 3
4
5 6
7
8
9
10 11 12 13 14 1 2 3
4
5 6
7
8
9
10 1 2 3
4
5 6
7
8
9
10
J5
J7
J2
J1
J4
7
6
5
4
3
4
J3
Phase C
Phase B
Phase A
Source 1
Phase C
Phase B
Phase A
Source 1
Phase C
Phase B
Phase A
Source 2
Phase C
Phase B
Phase A
Source 2
S1 - Line
S1 - Neut
S2 - Line
Control
Power
S2 - Neut
Clk
In
Out
5V
Gnd Programming
Port
K1
-
(C
om
)
K1
-
(N
O
)
K2
-
(C
om
)
K2
-
(N
O
)
P
re
tra
ns
fe
r
-
(C
om
)
Pr
e
tr
a
ns
fe
r
-
(N
O
)
P
re
tra
ns
fe
r
-
(N
C
)
Al
a
rm
-
(C
om
)
Al
a
rm
-
(N
O
)
A
la
rm
-
(NC)
E
a
rt
h
G
rou
nd
Ge
n S
ta
rt
-
(C
om
)
Ge
n S
ta
rt
-
(N
O)
Output Relays
+
32 V
D
C
S
our
ce 1
C
lo
se
d
+3
2
V
D
C
S
our
ce 2
C
lo
se
d
+3
2
V
D
C
Loc
kout
+3
2
V
D
C
Go
T
o
S
o
ur
ce
2
+3
2
V
D
C
Mo
n
ito
r Mo
de
Control Inputs
8.0 in.
6.5 in.
3
4
1
2
7
8
5
6
Output
Relays
Control
Inputs
J8
K4 NO
K4 C om
K3 NO
K3 Com
2
1
Rx
Tx
Emergency
Inhibit
Manual
Re-Transfer
J10
3
4
2
1
RS485
Termination
RS-485
MODBUS
A
B
Com
SHD
1
ON
S2
Close
S1
Close
S2 Open
S1 Open
TERMINALS 13 & 14
ATC-300+ Controller - 2 Position Contactor type (In-Phase) - CAT#8160A00G27
ATC-300+ Controller - 3 Position Contactor type (TDN) - CAT#8160A00G28
For more information visit: www.generac.com IB01602078E
Instruction Booklet
Page 18 Effective: September 2011
40-400A (480/600Vac) ATC-300+ 3-Postion
Contactor Based Transfer Switch
Figure 12. Location of Terminals 13 and 14 on the J-5 Connector of ATC-300+ Controller.