Alpha Technologies CXPS 48-1.2-225 48 Vdc - Manual (Page 14)

053-691-B1 Rev E Page 6 of 33
2.2.5 Controller I/O terminal block
A controller I/O terminal block is installed in the distribution center front door to allow controller access to signals
and interfaces. A 25-pin D-sub wire harness is used to connect the terminal block to the controller.
The internal signals from the distribution center are wired to the controller I/O board directly from the internal
alarm board. The remaining relay outputs, digital inputs, and analog inputs can be accessed via terminal blocks to
customer connections. Refer to the customer connections (“–08”) drawing at the rear of this manual for details on
terminal block assignments.
Figure 4–Internal alarm card and controller I/O terminal block
2.2.6 8R/8D 8DIO (Option)
The 8R/8D 8DIO Cordex peripheral can be installed on the front door of the DCP03. The 8R/8D 8DIO option
expands the I/O capability of an existing Cordex controller by adding additional 8 relays outputs and 8 digital
inputs.
The 8R/8D 8DIO installs on the right side on the front door. The 8R/8D 8DIO is connected to the Cordex system
via CAN ports and RJ-12 offset communications cables.
All I/O connections are made via screw terminal blocks. Refer to the customer connections (“–08”) drawing at the
rear of this manual for details on terminal block assignments.
Figure 5–8R/8D 8DIO option
Controller I/O terminal
block assembly
D-sub wire harnesses to
1.8k W shelf
CAN in/out
8DIO power supply
connection
Customer I/O
connections via
terminal blocks