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1-10
Before commencing the installation, ensure the machine tool is in a safe condition
INSTALLATION
When installing an
MI 8 interface unit, normal
electronic equipment rules apply (i.e. locate the
MI 8 away from potential sources of interference,
such as three-phase transformers and motor
controllers).
WIRING - PROBE TO MI 8
Use two-core screened cable.
For RP1: Each core Ø2,5 mm (Ø0.10 in) max.
Maximum permitted length 30 m (98 ft).
For RP2: Core range
Wire insulation Ø1,1 mm (Ø0.04 in) max.
Maximum permitted length 30 m (98 ft).
PROBE INPUT to MI 8
Pin Description
A1
PROBE INPUT
A2
PROBE INPUT
A3
SUPPLY SCREEN
A4
SUPPLY SCREEN
A5
SUPPLY +ve
A6
SUPPLY 0V
MI 8 INTERFACE UNIT
with the power switched OFF.
26 (AWG) 19 x 0.1
24 (AWG) 7 x 0.2
Comments
Floating with respect to
0 V
Floating with respect to
0 V
Connect to cable screen
Connect to machine
earth
Positive +15 to 30 Vdc
0 V
SAFETY
MI 8 OUTPUT to CNC CONTROL
Pin Description
B1
INHIBIT
B2
INHIBIT 0V
B3
EXTERNAL LED
B4
EXTERNAL LED
B5
SCREEN
B6
OUTPUT
B7
OUTPUT
Comments
Inhibit function (active low)
+ve
-ve
For cable screens
SSR voltage-free
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