SIEMENS
10/6
Siemens D 31 · 2015
10
SINAMICS S120 drive system
0.12 kW to 250 kW (0.16 hp to 400 hp)
CU310-2 Control Unit for single-axis drives
■
Overview
CU310-2 PN and CU310-2 DP Control Units
The CU310-2 Control Unit that is designed for the communi-
cation and open-loop/closed-loop control functions of a
SINAMICS S120 (AC/AC) is combined with the PM340 Power
Module to create a powerful single-axis drive. PROFINET (PN)
and PROFIBUS (DP) variants are available for fieldbus
communication.
■
Design
The CU310-2 Control Unit features the following connections
and interfaces as standard:
•
Fieldbus interface
- CU310-2 PN: 1 PROFINET interface with 2 ports
(RJ45 sockets) with PROFIdrive V4 profile
- CU310-2 DP: 1 PROFIBUS interface with PROFIdrive V4
profile
•
1
DRIVE-CLiQ socket for communication with the DRIVE-CLiQ
motor or other DRIVE-CLiQ devices (e.g. Sensor Modules or
Terminal Modules)
•
1 encoder evaluation for evaluating the following encoder
signals
- Incremental encoder TTL/HTL
- SSI encoder without incremental signals
•
1 PE/protective conductor connection
•
1 connection for the electronics power supply via the 24 V DC
power supply connector
•
1 temperature sensor input (KTY84-130 or PTC)
•
3 parameterizable, fail-safe (can be used with firmware
version 4.5 and higher) digital inputs (isolated) or alternatively
6 parameterizable digital inputs (isolated).
The fail-safe digital inputs can be routed, i.e. they can be
routed via PROFIsafe to a higher-level controller.
•
5 parameterizable digital inputs (floating)
•
1 parameterizable, fail-safe (can be used with firmware
version 4.5 and higher) digital output (isolated) or alternatively
1 digital output (isolated)
1)
•
8 parameterizable bidirectional digital inputs/outputs
(non-floating)
1)
•
1 analog input, either ±10 V (resolution 12 bit + sign) or
±20 mA (11 bit + sign)
•
1 Ethernet interface (socket RJ45) for commissioning and
diagnostics
•
1 slot for the CompactFlash card on which firmware and
parameters are stored
•
1 PM-IF interface for communication with the Power Modules
in blocksize format
•
3 test sockets and one reference ground for commissioning
support
•
1 interface to the BOP20 Basic Operator Panel
The status of the CU310-2 Control Unit is indicated via multi-
color LEDs.
A BOP20 Basic Operator Panel can also be snapped directly
onto the CU310-2 Control Unit for diagnostic purposes, for
example.
As the firmware and parameter settings are stored on a plug-in
CompactFlash card, the Control Unit can be changed without
the need for software tools.
■
Integration
The CU310-2 Control Unit controls Power Modules in blocksize
format via the PM-IF interface. DRIVE-CLiQ motors as well as
Sensor Modules (SMC) can be connected to the integrated
DRIVE-CLiQ socket to permit the operation of motors without a
DRIVE-CLiQ interface.
With the BOP20 Basic Operator Panel, parameters can be
changed directly on the device. The BOP20 Basic Operator
Panel can also be snapped onto the CU310-2 Control Unit
during operation to perform troubleshooting procedures.
The CU310-2 Control Unit and other connected components are
commissioned and diagnosed with the STARTER commission-
ing tool. The CU310-2 Control Unit requires a CompactFlash
card with firmware version V4.4 or higher.
A CU310-2 PN Control Unit communicates with the higher-level
control system using PROFINET IO and the PROFIdrive V4
profile.
The SINAMICS S120 drive system with the CU310-2 PN Control
Unit then assumes the function of a PROFINET IO device and
can perform the following functions:
•
PROFINET IO device
•
100 Mbit/s full duplex
•
Supports real-time classes of PROFINET IO:
- RT (Real-Time)
- IRT (Isochronous Real-Time), minimum send cycle 500
μ
s
•
Connects to controls as PROFINET IO devices using
PROFIdrive compliant with Specification V4
•
Standard TCP/IP communication for engineering processes
with the STARTER commissioning tool and for accessing the
integrated web server
•
Integrated 2-port switch with two RJ45 sockets based on the
ERTEC ASIC. The optimum topology (line, star, tree) can there-
fore be configured without additional external switches.
A 24 V supply voltage must be connected to terminal X124 for
the digital outputs to be used. A CompactFlash card with firm-
ware V4.5 or higher is essential
for the operation of the CU310-2
Control Unit.
1)
In order to use the digital outputs, a 24 V supply voltage must be
connected to terminal X124.
© Siemens AG 2014