CSL CS203X, User Manual

Page: 88 / 347

USER'S MANUAL, VERSION 2.0
Copyright © Convergence Systems Limited 2021, All Rights Reserved 88
Of the 4 GPOs, two of them are fully isolated with independent (+) and (-) terminals: GPO1
and GPO2. Two of them share a common (-) terminal: GPO3 and GPO4.
Of the 4 GPIs, GPI1 and GPI3 share the same (-) terminal, and GPI2 and GPI4 share the same
(-) terminal.
The 12 Volt output is fully isolated, with ter12V and +12VGND.
In summary, the following is the application table for system integrators (common pins are
highlighted in specific colors for reminder):
Function Terminal
and Pin of
(+)
Terminal
and Pin of
(-)
Isolated? Initial State
on Power Up
Output GPO1 GPO1(+),
Pin 4
GPO1(-),
Pin 14
Full Isolation NO (Normal
Open)
GPO2 GPO2(+),
Pin 3
GPO2(-),
Pin 13
Full Isolation NO
GPO3 GPO3(+),
Pin 10
GPO3(-),
Pin 8
(-) Pin common
with GPO4(-)
NO
GPO4 GPO4(+),
Pin 9
GPO4(-),
Pin 8
(-) Pin common
with GPO3(-)
NO
Input GPI1 GPI1(+)
Pin 2
GPI1(-)
Pin 12
(-) Pin common
with GPI3(-)
GPI2 GPI2(+)
Pin 1
GPI2(-)
Pin 11
(-) Pin common
with GPI4(-)
GPI3 GPI3(+)
Pin 7
GPI3(-)
Pin 12
(-) Pin common
with GPI1(-)
GPI4 GPI4(+)
Pin 6
GPI4(-)
Pin 11
(-) Pin common
with GPI2(-)
Power Supply +12V +12V
Pin 5
+12VGND
Pin 15
Full Isolation