Installation manual
CNC 8055
CNC 8055i
B.
SOFT: V02.2X
·651·
Central unit of the 8055 CNC
Maximum rated voltage +30 Vdc.
Minimum rated voltage +18 Vdc.
High threshold (logic level "1") V
IH
: From +18 V DC on.
Low threshold (logic level "0") V
IL
: Under +5 Vdc or not connected.
Typical consumption of each input 5 mA.
Maximum consumption of each input 7 mA.
Protection by means of galvanic isolation by optocouplers.
Protection against reverse connection up to -30 Vdc.
Digital outputs
Rated supply voltage +24 Vdc
Maximum rated voltage +30 Vdc.
Minimum rated voltage +18 Vdc.
Output voltage V
out
= Supply voltage (Vdc) - 3 V
Maximum output current 100 mA
Protection by means of galvanic isolation by optocouplers.
Protection through an external 3 A fuse against reverse connection up to -30 Vdc and against over-voltage of
the external power supply greater than 33 Vdc.
Analog inputs
At the –Vpp axes– and –Vpp SB axes– modules, voltage within the ±5 V or ±10 V range (may be selected by
machine parameter).
Resolution 46.8 mV.
Shielded cable should be used.
Analog outputs
Command voltage within ±10 V.
Minimum impedance of the connected connector 10 k.
Shielded cable should be used.
5V probe input
Typical value 0,25 mA. Vin = 5 V.
High threshold (logic level "1") V
IH
: From +2.4 V DC on.
Low threshold (logic level "0") V
IL
: Below +0.9 V DC.
Rated voltage Vimax = +15 V DC.
24 V probe input
Typical value 0,30 mA. Vin = 24 V.
High threshold (logic level "1") V
IH
: From +12.5 V DC on.
Low threshold (logic level "0") V
IL
: Below +4 V DC.
Rated voltage Vimax = +35 V DC.
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