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Communication modules
6.2 CP51M1 communication module
SIMATIC TDC hardware
System Manual, 08/2017, A5E01114865-AL
135
6.2.8
Technical specifications/performance features
Article number
CP51M1 communication module
6DD1661-0AE1
Memory
Communication memory
SRAM, 512 KB
Buffer memory module
SDRAM, 8 MB
Note
Of several CP51M1 that are inserted in a rack, only the CP51M1 at the far left has the
communication memory function.
Network interface
Industrial Ethernet (10/100BTX) X1
•
Log files
•
TCP/IP frame lengths
•
UDP frame lengths
•
Transmission modes
•
Autosensing
•
Autonegotiation
•
Default router
•
Dielectric strength to IEEE 802.3
TCP/IP, UDP and ISO over TCP/IP (RFC1006)
for S7 Communication (programming device/ OS)
32 KB
2048 bytes
Refresh, Handshake, Multiple and Select
For 10 Mbit or 100 Mbit networks
For 10 Mbit or 100 Mbit networks and full duplex /
half duplex
Can be set
1500 V
AC
Voltage, currents
Rated voltages at 25 °C
Typical current consumption
+5 V DC (from rack)
1.044 A
External battery (min. 2.2 V, typically 3.0 V)
350 nA
Aotewell Ltd
www.aotewell.com
Industry Automation
HongKong|UK|China
+86-755-8660-6182