6
05.01
6.7 DC link options
6-190
© Siemens AG 2008 All Rights Reserved
SIMODRIVE 611 Configuration Manual (PJU) – 05/2008 Edition
Table 6-18 Interface description for PR modules
Term.
No.
Designa-
tion
Function Type
1)
Max.
cross–section
PE
P600
M600
Protective conductor
DC link
DC link
I
I/O
I/O
Screw
Busbar
Busbar
X151/X351 Equipment bus I/O Ribbon cable
1R,
2R,
3R
TR1,
–
TR2
Connection of an external resistor
(remove the 1R – 2R jumper!)
I/O 6 mm
2
/4 mm
2
2)
19
50
X221
X221
Reference potential 0 V
Fast discharge = 0 V
O,P
I
1.5 mm
2
1.5 mm
2
1) I = input; O = output; P = only for PELV voltage
2) The first data is used for pin–type cable lug.
The second data is used for finely–stranded conductors without end sleeve.
Number of pulsed resistors used on the same DC link
The following condition must be fulfilled:
T = R
∑
N
C
DC
link
7.5 ms
1/R
∑
N
= 1/R1 + 1/R2 + 1/R3 +...+ 1/Rn
R
∑
N
Resistance of the parallel–connected resistors in the system
(15 ohm/resistor)
C
DC
link
[µF] Total of all DC link capacities of the drive group
Secondary condition:
C
DC
link
with pulsed resistor of at least 500 µF per resistor
Note
For a module group with pulsed resistor modules, they must be operated on
the same power supply (device bus) of the I/R or monitoring module to ensure
a simultaneous activation and deactivation of the resistors. Otherwise individual
resistors/pulsed resistance modules can be overloaded.
For UI modules that use the integrated pulsed resistors, additional pulsed
resistor modules must be operated on the device bus (PS) of the UI module!
An additional pulsed resistor module is not permitted for the 5 kW UI module!
6 Infeed Modules 11.0505.08
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