Siemens SIMATIC NET System Manual page 338

Communications processors for SIMATIC S7
8.7 Communication module TIM 1531 IRC
Functions
The communication module TIM 1531 IRC supports the following protocols and
technologies:
Protocol / function
TCP/IP
DNP3
IEC 60870-5-101/104
SINAUT ST1
SINAUT ST7
Modbus RTU
IPv6
Redundancy manager
Firewall
VPN with IPsec
SNMPv1
SNMPv3
DCP
LLDP
NTP
● Suitable / available or according to the specified standard.
Article numbers
Device
TIM 1531 IRC
338
Description
Communication module for SIMATIC S7-1500, S7-
400, S7-300 with SINAUT ST7, DNP3 and IEC 60870-
5-101/104 with 1x 100/1000 Mbps and 2x
10/100 Mbps RJ45 ports and 1x RS 232/ RS 485 port
TIM 1531 IRC
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Article number
6GK7543-1MX00-0XE0
System Manual, 09/2019, C79000-G8976-C242-10
Industrial Ethernet