
16
Device Description
EPSITRON®
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller
Manual
Version 1.0.0
3.2.3
Battery, Control and Signaling Contacts
Table 6: Connections – Battery, control and signaling contacts
Figure 4: Battery, control and
signaling contacts
No.
Designatio
n
Function
1
B)
Battery connection 0 V
2
B)
Battery connection 24 V
3
°C
Signal line for "Bat. Control"
4
°C
Signal line for "Bat. Control"
5
R0
Remote shutdown in Buffer mode
6
R1
Remote shutdown in Buffer mode
7
34
Signal output "Bat.Charge"
8
24
Signal output "Bat.Mode"
9
14
Signal output "Alarm"
10
13
External supply voltage 24 VDC
for signal outputs 7, 8 and 9.
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3.2.4
RS-232 Interface
Table 7: Connections – RS-232 interface
Figure 5: RS-232 interface
No.
Designation Function
1
1
Transmitter (Tx)
2
2
Receiver (Rx)
3
3
Reference potential 0V
4
4
Output voltage: 24 VDC
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