Omron S8BA-24D24D480SBF, Руководство пользователя

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7 Using the I/O signal functions
7 - 4 S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
Precautions for Safe Use
When connecting a device such as a relay that generates counter electromotive force to the
signal output circuit, connect diodes
that prevent counter electromotive force to both ends of the relay.
7-1-6 Precautions and notes for the use of the I/O signal functions
7-1-7 Example of the use of the Contact Signal circuit
BS signal example of connection with PLC BU signal example of connection with PLC
Relay
Connection cable
(Twisted or shielded)
System side UPS side
BS
COM
0 V
100 Ω
100 Ω
BS
COM
24 V
[UPS Side]
Output display LED
Connect the relay output or PNP
type transistor output.
24 V
OUTPUT UNIT
OUTPUT UNIT
OUT
Output display LED
Connect the relay output or NPN
type transistor output.
OUT
0 V
[PLC Side]
Internal circuit
Internal circuit
0 V 24 V
0 V
24 V
[UPS Side]
[PLC Side]
INPUT UNIT
Connect the 24 VDC bipolar
input or NPN input
INPUT UNIT
Connect the 24 VDC bipolar
input or PNP input
BU IN
BU IN
+ COM
2.4 kΩ
Input display LED
Internal circuit
2.4 kΩ
Input display LED
Internal circuit
- COM
+ COM - COM