HB-37420-810-01-25F-EN SMX100 Installation manual.docx Page 186 of 260
Version: 25F
Comments:
Reliable galvanic isolation from the 230 VAC (120 VAC cULus) or 400 VAC network must be
guaranteed in any case. This requires the selection of power supply units complying with the
regulations DIN VDE 0551, EN 60 742 and DIN VDE 0160. Besides choosing a suitable device
you must also ensure equipotent bonding between PE and 0-VDC on the secondary side.
A power supply used for voltage supply must deliver at least double the electricity, which is
fused completely (z.B. 4 x 3.15A = 12.6A Power supply: at least 25.A).
Safety note:
• All GND connections of the devices, which are connected to the inputs of the SMX100
module must be connected to the GND of the SMX100 (voltage supply).
Inputs of the SMX100 are:
• Digital inputs
• Digital I/Os
• Analogue inputs
• Encoder connections
Comments:
The connections GND_ENC and AIN are not internally connected to GND!
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