Siemens HiPath 1100, Service Manual

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Service Manual
3-93
Modules
Power Supply Unit (PSU)
Electrical Requirements for Sensors and Relays
Table 3-32 Electrical requirements for sensors and relays
3.6.4.2 HiPath1150/1190/1190R
For HiPath1150/1190/1190R the external audio source (music, for example) is directly
connected to the MB in position X8 (see Figure 3-3 for HiPath1150 and Figure 3.4 for
HiPath1190/1190R) or in an analog extension port.
Connection Values for an external music source*
***
〉
This port supports commercial CD players, receivers, MD, etc. (See Figure 4-45, “Protection and grounding connection
diagram”, on page 4-184).
3.7 Power Supply Unit (PSU)
Introduction
The power supply unit (PSU) provides the required voltages for the correct operation of the
entire system.
The power sources of the HiPath1150/1190/1190R systems can have connections available to
a row of batteries, which guarantee constant power supply should there be an outage in the AC
line.
Sensor
Maximum loop resistance 100
Ω
Relay
Maximum switching current (AC) 1.25 A
Maximum switching current (DC) 2 A
Maximum switching voltage (AC) 30 V
RMS
Maximum switching voltage (DC) 24 V
Maximum power factor 0.95
Internal Resistance 2.4k
Ω
Maximum input
voltage
-10 dBm