2 the external input/output points, Operation and application – Siemens SIMATIC TIWAY 1 User Manual
Page 33
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OPERATION AND APPLICATION
UNILINK HOST ADAPTER
2–23
USER MANUAL
2.8.2
The External Input/Output Points
The UNILINK Adapter provides a single external input point and a single
external output point. These two points operate independently and can be used
in a variety of applications like a remote “Adapter Good” indicator. For safety
critical applications, any external alarms should be hard-wired independently
of the P/C.
IN
OUT
UNILINK Host
Adapter
Panel
Lamp
20 – 40 VDC
20 – 36 VAC
(RMS)
Remote
“ADAPTER GOOD”
Indicator
Figure 2–13 External Input/Output Points Example Application
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