Asco 230 Series - Page 16

12 Chapter 2 Installation and Wiring
Series 230 Automatic Transfer Switch C2000 Intelligent Controller User Manual
Table 2-5 User Connector Pins Definition of C2000 Controller
Port Port label Port attribute Pin Definition
X3
1
LLP RLY
30Vdc/125Vac,
0.5A
≥
Rating current
≥
5mA
Normally Closed (NC) & Normally Open (NO)
relay outputs. When the load voltage drops to
30% of the rated voltage or load voltage drops
to 50Vac, the NC relay output will change to
Open, and the NO relay output will change to
Closed.
2
3
4 24V-
DC IN
24VDC
±
15
％
DC 24V external Power supply.
5 24V+
X4
1
ALM
30Vdc/125Vac,
0.5A
≥
Rating current
≥
5mA
Transfer switch status relay output. Normally
open. When the controller alarm goes on, the
relay contact closes.
2
3
DO1
30Vdc/125Vac,
0.5A
≥
Rating current
≥
5mA
Transfer switch position status relay output.
Normally open. When switch transfers to
center-off, the relay contact closes.
4
5
DO2
30Vdc/125Vac,
0.5A
≥
Rating current
≥
5mA
Transfer switch position status relay output.
Normally open. When the switch transfers to
Source I, the relay contact closes.
6
7
DO3
30Vdc/125Vac,
0.5A
≥
Rating current
≥
5mA
Transfer switch position status relay output.
Normally open. When the switch transfers to
Source II, the relay contact closes.
8
9
GEN
30Vdc/125Vac,
0.5A
≥
Rating current
≥
5mA
Normally Closed (NC) & Normally Open (NO)
engine relay outputs. During Source 1 Priority
mode, when the Source 1 loses power or has
some abnormality, the NC relay output changes
to open. And the NO relay output changes to
closed.
10
11
12 485+
485
PORT
Baud rate
9600/19200/38400bps
，
The max connection 32
units.
Half-duplex 485 interface, 2 line mode,
Additional digital grounding and protect
grounding ports are available if needed.
There should be terminal resistence between 2
lines at the end of the star connection.
13 485-
14 DGND
15 PGND
16
+
FIRE
24Vdc
±
30%,
The polarity must be
properly identified, the
wrong polarity connection,
the fuction should be
disable.
If the Fire control signal is coming in, the
transfer switch will move to center-off position
and an alarm will sound. The alarm will
continue to sound until the user physically
presses any key on the key pad.
17
-
18
DI5 Passive Digital input
Used during Remote operation mode. When
signal input is closed, the switch will transfer to
center-off position.
19
20
DI6 Passive Digital input
Used during Remote operation mode. When
signal input is closed, the switch will transfer to
Source I.
21
22
DI7
Passive Digital input
Used during Remote operation mode. When
signal input is closed, the switch will transfer to
Source II.
23
WARNING
！
！！
！
When using relay outputs, user
MUST
check if the relay output ratings meet the requirements.