6
Mirka® AIROS • 77 mm (3"), 125 mm (5") & 150 mm (6") • Electrical manual
Connector
PIN
Description
J3
P+
P+
J3
C+
C+
J3
C–
C–
J3
P–
P–
J3
NTC+
NTC+
J3
Phase A
Phase A
J3
Phase B
Phase B
J3
Phase C
Phase C–
J3
GND
GND
J3
NTC-
NTC–
Connector
PIN
Description
J4
COM
Relay COM
J4
NO
Relay NO
Connector
PIN
Description
J5
DI1
Digital speed control input bit 1
J5
DI2
Digital speed control input bit 2
J5
DI3
Digital speed control input bit 3
J5
DI4
Digital speed control input bit 4
Connector
PIN
Description
J6
15V
15 VDC output
J6
GND
GND
Button description
Button
Description
S1
Self-test button
S2
Reset button
Indicator description
Indicator
Description
D2
Speed set-point indicator, lit if ≥ 4,000 rpm. Modbus RTU slave address indicator, bit 1.
D3
Speed set-point indicator, lit if ≥ 5,000 rpm. Modbus RTU slave address indicator, bit 2.
D4
Tool status indicator. Lit red when the tool is stopped, lit green when the tool is running.
D14
Motor drive state indicator. Lit green when motor drive is in ON-state. Blinking green when
motor drive is in OFF-state.
D17
Speed set-point indicator, lit if ≥ 6,000 rpm. Modbus RTU slave address indicator, bit 3.
D18
Speed set-point indicator, lit if ≥ 7,000 rpm. Modbus RTU slave address indicator, bit 4.
D19
Speed set-point indicator, lit if ≥ 8,000 rpm. Modbus RTU slave address indicator, bit 5.
D20
Speed set-point indicator, lit if ≥ 9,000 rpm. Modbus RTU slave address indicator, bit 6.
D21
Speed set-point indicator, lit if ≥ 10,000 rpm. Modbus RTU slave address indicator, bit 7.
D22
Modbus RTU slave address indicator, bit 8.
D23
Lit if D2–D3, D17–D22 indicator mode is Modbus RTU slave address.