Balluff BLT 31M, Operating Instructions Manual

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Remote Lock/Unlock Input
The remote lock feature allows the user to lock out the local controls (keys) to prevent operators from
making unauthorized adjustments. This signal line must be connected to VDC to lock the sensor. This line
may be left unconnected if the lock feature is not used. While the sensor is locked, pressing either
P/-
or
T/+
will result in
rL
(
r
emote
L
ock) indication on the display.
Spot size table
Part Number BLT 31M-001-U-S92 BLT 31M-002-U-S92 Part Number BLT 31M-001-U-S92 BLT 31M-002-U-S92
Nominal Sensing 100 mm 300 mm Nominal Sensing 100 mm 300 mm
Spot Diameter * Spot Diameter w/ 50 mm lens * (BLT 31M-PK-1)
20 mm distance
18 mm 18 mm
20 mm distance
8 mm 8 mm
50 mm distance
6 mm 6 mm
38 mm distance
2 mm 2 mm
100 mm distance
5 mm 5 mm
50 mm distance
4 mm 4 mm
150 mm distance
4 mm
75 mm distance
8 mm 8 mm
200 mm distance
8 mm
100 mm distance
13 mm 13 mm
250 mm distance
15 mm
150 mm distance
22 mm
300 mm distance
16 mm
350 mm distance
18mm
* All sizes are approximate
Display Indicators
Indicators
• Green LED Threshold Mode while in Undetect
•
Red LED Detect
• Yellow LED Threshold Mode while in Detect
•
Green LED blinking Teach Undetect
•
Red LED blinking Teach Error
• Yellow LED blinking Teach Detect
T/+ P/-
Display decimal points
•
None illuminated LED low intensity
•
One illuminated LED medium intensity
• Two illuminated LED high intensity
M12 connector pin assignments
M12 Connector Wire Color Description
Pin 1 Brown Power 10 to 24VDC
Pin 2 White Discrete output, PNP/NPN, NO/NC
Pin 3 Blue Ground
Pin 4 Black Analog output 0 to 5V DC
Pin 5 Gray Remote LOCK / UNLOCK input
PNP/NPN
LOCK/UNLOCK
BN 1
WH 2
GY 5
BK 4
BU 3
+
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