Braking Module in booksize compact format производства Siemens

A Braking Module and the matching external braking resistor are required to bring drives to a controlled standstill in the event of a power failure (e.g. emergency retraction or EMERGENCY STOP category 1) or limit the DC link voltage for brief periods of generator operation, e.g. when the regenerative feedback capability of the Line Module is deactivated. The Braking Module includes the power electronics and the associated control circuit. During operation, the DC link energy is converted to heat loss in an external braking resistor. Braking Modules function autonomously. A number of Braking Modules can be operated in parallel. In this case, each Braking Module must have its own braking resistor. Braking Modules in booksize compact format can also be used for rapid discharge of the DC link.

DC link voltage 510 … 720 V DC	Braking Module in booksize compact format (Internal air cooling)
	6SL3400-1AE31-0AA0
Rated power P_DB	5 kW (2.5 kW) ^{1) 2)}
Peak output P_max	100 kW (50 kW) ^{1) 2)}
Activation threshold	775 V (410 V) ¹⁾
Cable length to braking resistor, max.	10 m (32.8 ft)
DC link capacitance	6 μF
Current requirement with 24 V DC, max.	0.5 A
Digital inputs In accordance with IEC 61131-2 Type 1
Voltage	-3 V … +30 V
Low level (an open digital input is interpreted as "low")	-3 V … +5 V
High level	15 … 30 V
Current consumption at 24 V DC, typ.	10 mA
Conductor cross-section, max.	1.5 mm²
Digital outputs (sustained-short-circuit-proof)
Voltage	24 V DC
Load current per digital output, max.	100 mA
Conductor cross-section, max.	1.5 mm²
Current carrying capacity
24 V DC busbars	20 A
DC link busbars	100 A
PE connection	M5 screw
Dimensions
Width	50 mm (1.97 in)
Height	270 mm (10.63 in)
Depth	226 mm (8.90 in)
Weight, approx.	5 kg (11 lb)
Approvals, according to	cURus

¹⁾ The activation threshold of the Braking Module in booksize compact format can be set on a DIP switch. The higher values for peak or rated braking power apply in operation at the upper activation threshold 775 V DC (factory setting). The outputs specified in parentheses are possible at the lower activation threshold 410 V DC.

²⁾ Several Braking Modules can be operated in parallel, typically up to 4 Modules.

The Braking Modules in booksize compact format can be integrated in drive line-ups in booksize and booksize compact formats with internal air cooling and cold plate cooling.

The Braking Module in booksize compact format features the following connections and interfaces as standard:

2 DC link connections via integrated DC link busbars
2 electronics power supply connections via integrated 24 V DC busbars
Connector X1 for connecting the braking resistor
Connection for thermostatic switch for monitoring the braking resistor
4 DIP switches for setting the operating threshold, selecting the braking resistor and the cooling method for the Braking Module
2 digital inputs (disable Braking Module/acknowledge faults and rapid discharge of DC link)
3 digital outputs (Braking Module disabled, prewarning from I × t monitor and set activation threshold)
2 PE (protective earth) connections

The status of the Braking Module is indicated via two 2-color LEDs.

Connection example of Braking Module in booksize compact format

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