EOT CRANE OVERLOAD PROTECTION ELECTRONICS WITH 1 OR 3 SET-POINTS


OVERLOAD

Electronics with 1 or 3 set-points designed, in combination with a load cell, to limit the load and/or to detect slack cable on a hoisting device (EOT cranes).

o Low cost
o 1 or 3 independent set-points
o Set-points 1 and 2 configurated for load limitation
o Set-point 3 configurated by default for slack cable detection
o Adjustments by potentiometers
o Analogue outputs: 0...10 V and 4...20 mA
o Din rail mounting (TS 35)
o 115 VAC available by internal jumper

"Technical drawings available on datasheet"

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BB-48VAC-1RBB-230VAC-1RBB-48VAC-3RBB-230VAC-3R
Type (-) Load limiter with single strain-gauge input Load limiter with single strain-gauge input Load limiter with single strain-gauge input Load limiter with single strain-gauge input
Input range (-)
0.4...2 mV/V 0.4...2 mV/V 0.4...2 mV/V 0.4...2 mV/V
Sensor excitation (-) 10...28 mA (11 V max) 10...28 mA (11 V max) 10...28 mA (11 V max) 10...28 mA (11 V max)
Accuracy (% F.S.*)
± 0.5 ± 0.5 ± 0.5 ± 0.5
Service temperature range (°C)
-20...+60 -20...+60 -20...+60 -20...+60
Storage temperature range (°C)
-40...+70 -40...+70 -40...+70 -40...+70
Power supply (-)
48-110 VAC (50 / 60 Hz, 4 VA) 115-230 VAC (50 / 60 Hz, 3 VA) 48-110 VAC (50 / 60 Hz, 4 VA) 115-230 VAC (50 / 60 Hz, 3 VA)
Qty of relay (-) 1 1 3 3
Relay type (-) Form C activated in safe situation Form C activated in safe situation Form C activated in safe situation Form C activated in safe situation
Contact rating (-) 6 A @ 250 VAC 6 A @ 250 VAC 6 A @ 250 VAC 6 A @ 250 VAC
Adjustable delay (-) 60 ms...1 s 60 ms...1 s 60 ms...1 s 60 ms...1 s
Output tension (V) 0..10 (load resistance >= 2.5 kohms) 0..10 (load resistance >= 2.5 kohms) 0..10 (load resistance >= 2.5 kohms) 0..10 (load resistance >= 2.5 kohms)
Output current (mA) 4...20 mA (load resistance <= 500 ohms) 4...20 mA (load resistance <= 500 ohms) 4...20 mA (load resistance <= 500 ohms) 4...20 mA (load resistance <= 500 ohms)
IP rating (-) IP20 IP20 IP20 IP20

*F.S. : Full Scale.
** : Wheatstone bridge >= 350 ohms.
*** : adjustable by multi-turn potentiometer.
Specifications subject to change without notice.

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