5 Installation and commissioning
HSD S.p.A. © - h0104k02a.fm091115
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5.6 Fieldbus interface
The devices support E-NETx communications protocol.
5.6.1 E-NETx
As far as regards :
the connection mode,
the max. number of the units that can be connected,
the cable type to be used,
the need to use modems and/or antenna towers,
refer to the user manual "Technical characteristics and E-NETx connection” (for the E-NETx
communication protocol) issued by HSD S.p.A..
5.7 Regenerative effect on bus DC
When the motor is switched off, the motor shaft may be moved externally. This will generate
energy in the motor.
If the motor is used in this way, remind that a reducer will multiply the motor shaft speed.
The same effect is reached during the motor braking phases. The generated energy depends on:
inertia mass on the slow shaft, the number of motors in braking phases on the same line, the
cables length, etc....
The motor shaft max tolerable speed (without reducer) under a dynamo effect is 1000
rpm. A faster speed could damage and ruin the motor.
Protocol type E-NETx
Transmission speed 3 Mbit/sec
Max. distance from master 100 m
Number of addresses that can be selected 32
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