Physical Installation; Rear Connectors; Digital Input Characteristics; Webdynhome Input/Output Pinouts - Webdyn home Installation Manual

5.1 Physical installation

This section deals with the physical characteristics and installation procedures
concerning the Webdynhome product.

5.1.1 Rear connectors

The rear connectors on the Webdynhome hardware platforms are high quality
industrial grade connectors designed to help the installation engineer. The plug-in
screw connector blocks used for the input/output circuits facilitate ease of wiring
since the connector may be wired without being connected to the system.
Webdynhome rear view

5.1.2 Digital input characteristics:

The digital inputs are common ground 5V TTL circuits.
An input is activated by the presence of a dry contact (short circuit) and may be
represented by the following schema :
Webdyncast
+5V
input
Dry contact
82C55 input 1K
1K
10nF 100nF Transil SMBJ5
External
interface
The input impedance must not be greater than 150 ohms.
Connector : Weidmüller 3.5mm with cable section 0.5-1.5mm².

5.1.2.1 Webdynhome Input/Output pinouts :

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