Table 3-6 Power Stack Adapter 4: Electronic Power Supply; Table 3-7 Power Stack Adapter 4: Inverter Unit; Table 3-8 Power Stack Adapter 4: Braking Module; Table 3-9 Power Stack Adapter 4: Psa Link - Siemens SINAMICS SM120 Operating Instructions & Installation Instructions

Description
3.4 Components
Electronic power supply
Table 3-6
Terminal
1
2
3
Max. connectable cross-section: 2.5 mm²
Type: Screw terminal
Actual value channels
Table 3-7
Single fiber-optic cable
X70, X71
X72, X73
X74, X75
X76, X77
X78 to X81
Table 3-8
Single fiber-optic cable
X78
X79
X80
X70 to X77, X81
PSA link
Table 3-9
Single fiber-optic cable
X90
(only available when operated with a
Braking Module)
X91 to X93
40
Power Stack Adapter 4: Electronic power supply
Designation
Electronics ground M
N.C.
Electronic power supply P24
Power Stack Adapter 4: Inverter unit
Meaning, actual value acquisition
Branch currents, phase L1
Branch currents, phase L2
Branch currents, phase L3
Output voltages
N.C.
Power Stack Adapter 4: Braking Module
Meaning, actual value acquisition
DC-link voltage M-KM
DC-link voltage AM-M
DC-link voltage AM-KM
N.C.
Power Stack Adapter 4: PSA link
Technical data
Voltage: 24 VDC (-25% to +30%), 18 V to 31.2 V
Power consumption (without DRIVE-CLiQ or digital
outputs): 1 A max.
Meaning
PSA link for direct data exchange between Power Stack
Adapters
N.C.
Technical data
Fiber-optic cable type:
1 mm plastic optical fiber (POF)
Max. length of fiber-optic cable:
20 m
Technical data
Fiber-optic cable type:
1 mm plastic optical fiber (POF)
Max. length of fiber-optic cable:
20 m
SINAMICS SM120 6SL38855?B
Operating Instructions 12/2015