Siemens CU240B-2 - Overview of the Interfaces

Installing
4.6 Installing Control Unit
Converter with the CU240B-2 and CU240E-2 Control Units
Operating Instructions, 01/2016, FW V4.7 SP6, A5E34259001B AC
91
4.6.1
Overview of the interfaces
Interfaces at the front of the Control Unit
To access the interfaces at the front of the Control Unit, you must lift the Operator Panel (if
one is being used) and open the front doors.
①
Memory card slot
②
Terminal strips
③
Depending on the fieldbus:
•
USS, Modbus: Bus termination
•
PROFIBUS, PROFINET,
EtherNet/IP: No function
④
Fieldbus inter
faces at the lower side
⑤
Selecting the fieldbus address
On all Control Units with the
exception of CU240E
-2 PN and
CU240E
-2 PN-F.
⑥
Status LED
⑦
USB interface for connection to a PC
⑧
Switch for AI
0 and AI 1
1)
(U/I)
•
I 0/4 mA … 20 mA
•
U -10/0 V … 10 V
1)
AI 1 is not available on the CU240B-2
⑨
Connection to the operator panel
Table 4- 13 Number of inputs and outputs
Digital
inputs DI
Digital
outputs DO
Analog
inputs AI
Analog
outputs AO
Safe inputs
F-DI
1)
CU240B-2, CU240B-2 DP 4 1 1 1 0
CU240E-2, CU240E-2 DP,
CU240E-2 PN
6 3 2 2 1
CU240E-2 F, CU240E-2 DP-F,
CU240E-2 PN-F
6 3 2 2 3
1)
Every F-DI safe input used occupies two digital inputs DI