Ups1600 With Monitoring Of The Signal Contacts - Siemens SITOP PSU8200 Manual

5 Uninterruptible 24 V power supply
5.2

UPS1600 with monitoring of the signal contacts

The DC UPS is monitored using the external peripherals. To do this, the signal
contacts of the module are connected to the digital inputs of the external peripherals.
Fig. 5-10
OS Server
PSU8200
PSE202U
The UPS1600 makes available the following three signal contacts for signaling the
status:

Relay 1: Buffering mode or OFF (changeover switch)

Relay 2: Buffer not ready, rechargeable battery defective (changeover switch)
(The system displays a defective rechargeable battery by the changeover
switch changing its position in a 0.25 Hz cycle.)

Relay 3: Rechargeable battery charge > 85% (normally open contact)
The following figure shows the selected wiring on the signal terminal:
Fig. 5-11
Integration of a SITOP 24 V Power Supply in PCS 7
Entry ID: 109481908, V1.0,
OS Client
UPS1600 / UPS1100
04/2016
Switch
AS
SCALANCE
Industrial Ethernet /
PROFINET IO
120/230V AC
DC +24V
DC 24V GND
Signal
ET 200
31