Connecting The External Power Unit - Siemens SINAMICS DCM Operating Instructions Manual

Connecting

6.4 Connecting the external power unit

6.4 Connecting the external power unit
The following 5 figures show all the required connections to the power unit.
● Figure: "Connection of a 4-quadrant power unit (1)":
– 4-quadrant drive (parameters assigned for a 4-quadrant drive as delivered –
– Line voltage and armature voltage measured via Faston terminals on the firing pulse
● Figure: "Connection of a 4-quadrant power unit (2)":
– 4-quadrant drive (parameters assigned for a 4-quadrant drive as delivered –
– Line voltage and armature voltage measured via cables directly from the power unit
● Figure: "Connection of a 2-quadrant power unit (1)":
– 2-quadrant drive (parameter assignment: parameter p51825 = 2)
– Line voltage and armature voltage measured via Faston terminals on the firing pulse
● Figure: "Connection of a 2-quadrant power unit (2)":
– 2-quadrant drive (parameter assignment: parameter p51825 = 2)
– Line voltage and armature voltage measured via cables directly from the power unit
● Figure: "Connections to the power interface":
– Connection of fan contactor, fan monitoring equipment, temperature sensors on the
Electric shock due to incorrectly replaced lines
In its delivered state, the Control Module (both plates mounted on top of each other) is
equipped with connection cables for voltage sensing devices. If the device is mounted in
another form, (according to the descriptions in Chapter "Division options (Page 83)"), the
existing connection cables must be replaced 1:1 by longer cables accordingly.
The cables installed ex works are of type Spec 44 with a voltage rating of 2500 V. The
replacement cables must be selected according to the criteria for routing unprotected active
cables according to EN 61439-1.
Please refer to the Chapter "Division options (Page 83)" for options on how to position the
two plates and how the unit can be divided.
76
p51825 = 4)
transformer module (as delivered)
p51825 = 4)
transformer module (as delivered). The armature current can only be measured if a
connection is made to 1D1 on the power unit.
heat sink, external monitoring equipment
WARNING
SINAMICS DCM Control Module
Operating Instructions, 12/2018, A5E34888669A