Siemens SIMATIC ET 200SP System Manual

Installation
5.9 Mounting further accessories for motor starters
Distributed I/O system
System Manual, 09/2019, A5E03576849-AJ
85
5.9.3 Mounting the BU cover
Introduction
BU covers are plugged onto BaseUnits whose slots have been reserved for future expansion
(as empty slots). The BU covers for motor starters serve as touch protection covers for
unoccupied slots.
DANGER
Hazardous Voltage
Can Cause Death, Serious Injury, or Property Damage.
Hazardous electrical voltage causes electric shock, burns and property damage.
Disconnect your system and devices from the power supply before starting any assembly
tasks.
DANGER
BaseUnit without motor starter - electric shock
If you install a BaseUnit without motor starter in the ET 200SP system (e.g. options
handling), you must provide the BaseUnit with a BU cover (Article No: 3RK1908-1CA00-
0BP0).
Failure to do so will result in the danger of electric shock.
Procedure
To mount the BU cover onto a SIMATIC ET 200SP motor starter, insert the BU cover in the
BaseUnit in parallel until both interlocks audibly engage.

Siemens SIMATIC ET 200SP Specifications

General

System Type	Distributed I/O System
Mounting	DIN Rail
Communication Protocol	PROFINET, PROFIBUS
IP Rating	IP20
Category	I/O Systems
Supply Voltage	24 V DC
Modularity	Yes
Hot Swapping	Yes
Storage Temperature	-40°C to +70°C
Digital Inputs	Yes
Digital Outputs	Yes
Analog Inputs	Yes
Analog Outputs	Yes
Communication Interface	PROFINET, PROFIBUS
Number of Modules	Up to 64
Relative Humidity	5 to 95% (non-condensing)
Operating Temperature	-25°C to +60°C