Seco SBC-D23 User Manual page 46

3.3.20 UPS By-pass connector
The SBC-D23 board allow the possibility of connecting external UPS modules able to supply a 12V Backup, to be used in case that
the main power supply is not available
UPS By-Pass Connector
Pin Signal Pin Signal
1 --- 8
2 VDD_SYS 9
3 --- 10
4 VDD_SYS 11
5 UPS_PFO# 12
6 UPS_BYPASS 13
7 UPS_INT# 14
Pin #1. Electrical level +3P3V_RUN
UPS_BOOST_EN: Generic UPS Enable signal. It is managed on the SBC-D23 board by I/O Expander A, Port #0 Pin #0. Electrical level +3P3V_RUN
SBC-D23
SBC-D23 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: S.B. - Reviewed by P.Z. - Copyright © 2021 SECO S.p.A.
For this kind of connection, it is provided a standard Micro-fit 2x7 connector
CN3
type Molex 43045-1412 or equivalent, with the pinout shown in the table on the left.
Mating connector: MOLEX 43025-1400 or equivalent with 43030 female crimp terminal.
+12V_BACKUP
UPS_BYPASS: UPS power rail enable signal. Used to switch between the power rail coming from the external
---
UPS Module and the standard V
+12V_BACKUP
UPS_PFO#: Generic Input. It is managed on the SBC-D23 board by I/O Expander B, Port #0 Pin #0. Electrical
UPS_BOOST_EN
level +3P3V_RUN.
GND
UPS_INT#: This signal can be used to serve the interrupt request of the UPS device. It is managed on the
UPS_EN
SBC-D23 board by I/O Expander B, Port #0 Pin #1. Electrical level +3P3V_RUN.
GND
UPS_EN: IO: Generic UPS Enable signal. It is managed on the SBC-D23 board by I/O Expander A, Port #0
Power Supply. Electrical level +12V_ALW with 100
IN
-up resistor
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