Balluff BML SF2-I2 A Series, Condensed Manual

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BML SF2-I2 _ _ -A/QZ _ _ - Z _ _ 5-…
Incremental magnetic encoder system
Installation and connection (continued)
The sensor with analog interface
(BML SF2- _ _ _ _ - A …) includes reverse-polarity
protection and miswiring protection.
Pin Wire color Signal Description
Electrical Connection Analog interface
Sin/Cos (1Vpp)
BML SF2-_ _ _ _- A …
Digital interface
A/B/Z (RS422)
BML SF2-_ _ _ _- Q …
BML SF2-…
No r
efer
ence
signal
Single signal or
fixed-periodic
Pole-periodic
refer
ence signal
No r
efer
ence
signal
Single signal or
fixed-periodic
Pole-periodic
refer
ence signal
…-S284
1)
…-KA
1)
…-KF
2)
…-KD
1)
… 0_ -A… … 1_ -A… … 2_ -A… … 0_ -Q… … 1_ -Q… … 2_ -Q…
1 WH WH WH
−B(−Cos)
Sinusoidal
analog signal
+A
Digital
square-wave signal
2 BN BN BN
+B(+Cos)
Sinusoidal
analog signal
−A
Digital
square-wave signal
3 GN GN GN
+A(+Sin)
Sinusoidal
analog signal
+B
Digital
square-wave signal
4 YE YE YE
−A(−Sin)
Sinusoidal
analog signal
–B
Digital
square-wave signal
5 GY GY GY Must
remain
free
+Z Must
remain
free
+Z
Reference signal
6 PK PK PK –Z –Z
7 BU BU BU GND
3)
Sensor head
ground (0 V)
8 RD RD RD +5 V DC Supply voltage
9 BK – BK GND sense GND sense
10 VT – VT V DC sense V DC sense
11 GY-PK4) – TR4) Must remain free
12 RD-BU4) – OR4) Must remain free
Shield TR TR TR Shield
(Connector
housing to) shield
1) 12-wire cable with sensor lines
2) 8-wire cable
3) If the sensor is supplied with voltage that is isolated from the processing
electronics, the GND for this voltage must be connected to the GND of
the processing electronics.
4) As delivered, the wire is not fed through.
1
10
9
12
8
7
6
5
4
11 3
2
1
10
9
12
8
7
6
5
4
11 3
2
M12 plug pin assignment (view of pin side),
BML SF2-…-KA_ _-S284
english 4