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Chapter 2 Installation and Wiring 11
ASCO Series 230 Automatic Transfer Switch C2000 Intelligent Controller User Manual
Table 2-4 Signal Connection Pins Definition of C2000 Controller
Port
Port Label
Pin Definition
X2
1
COM
Relay driver Common, 24V.
2
DRV1
Relay driver.
3
DRV2
4
DRV3
5
DRV4
6
DRV5
7
DI1+
Passive Digital input, transfer switch position detect, Open means transfer switch on
source I.
8
DI1-
9
DI2+
Passive Digital input, transfer switch position detect, Open means transfer switch on
source II.
10
DI2-
11
DI3+
Passive Digital input, transfer switch AUTO/MANUAL position detect, Close means
transfer switch on MANUAL, Open means transfer switch on AUTO.
12
DI3-
13
DI4+
User define Passive Digital input.
14
DI4-