33
ENCODERS Connector (18 pins)
H Output Alarm Used to indicate that the probe is in the air (for tube
inspections) (open drain with 10 kΩ pull-up)
J Relay contact Relay 2 Relay used for automatic acquisition sequence control
K Relay contact Relay 3 Relay used for automatic acquisition sequence control
L Relay contact Relay 1 Relay used for automatic acquisition sequence control
M TTL Input CLKACQ Receives signal to trigger acquisition with probe
position along the scanning axis.
N NC No connection
P TTL Input B2 Phase B axis 2
R TTL Input A3 / Input 5 Phase A axis 3, or user-defined input for automatic
acquisition sequence
S Supply Output +5 V 5 V supply output, 250 mA max
T TTL Input B3 /Input 4 Phase B axis 3, or user-defined input for automatic
acquisition sequence
U TTL Input A1 Phase A axis 1
Table 4 ENCODERS connector pinout (continued)
Pin I/O Signal Description
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