Hardware configuration.
CNC 8070
7.
CENTRAL UNIT FOR CABINET (Q7-A PLATFORM).
Connections.
·162·
(REF: 1911)
7.8.6 Probe connection.
Connector pinout.
Plug-in part. 8-pole Phoenix-contact minicombicon connector (3.5 mm pitch).
The CNC offers two 5 V probe inputs and two 24 V probe inputs. The following diagram
shows the first probe input (pins 1, 2 and 3 for 5 V or pins 5 and 7 for 24 V); for the second
input, it shows pins 1, 2, 4 for 5 V or pins 6 and 7 for 24 V. Pin 8 is used in all diagrams.
All the shields of the cables must be connected to ground only a the CNC through pin ·8·
of the connector, leaving the other one free. The wires of the shielded cable must not be
longer than 75 mm without the protection shield.
Probe connection.
Probe whose output has a normally open contact. Connection to +5 V.
The connection acts upon the up flank (positive pulse) of the probe signal.
Probe whose output has a normally open contact. Connection to +24 V.
The connection acts upon the up flank (positive pulse) of the probe signal.
Probe whose output has a normally closed contact. Connection to +5 V.
The connection acts upon the up flank (positive pulse) of the probe signal.
Pin. Signal. Description.
1 GND_5V 0 V reference signal for 5V.
2 +5 V 5 V output.
3 PRB1_IN5V 5 V input of probe 1.
4 PRB2_IN5V 5 V input of probe 2.
5 PRB1_IN24V 24 V input of probe 1.
6 PRB2_IN24V 24 V input of probe 2.
7 GND_24V 0 V reference signal for 24 V.
8 Chassis Shield.
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