Application and functions   
1.2 Communications services 
  TIM 1531 IRC 
14  Operating Instructions, 02/2018, C79000-G8976-C468-02 
The TIM is equipped with the following interfaces: 
● 
3 x Ethernet interface RJ-45
 
Connection to three different subnets 
Telecontrol communication via IP-based WAN/LAN networks 
● 
 
Default can be switched over by configuration: RS-232 ⇔ RS-485 
Telecontrol communication via the following WAN networks: 
–  Classic WAN networks: Dedicated line, dialup network 
–  IP-based networks (can be switched over by the configuration) 
You will find the supported transmission protocols and network types in the section 
Communications services (Page 14). 
With its four interfaces, the TIM can used at the following positions of a WAN network: 
●  Master station 
●  Node station 
●  Station 
Expansion of existing SINAUT systems 
In existing SINAUT systems with SIMATIC S7-300/400 stations and TIM modules for the 
telecontrol functions, the TIM 1531 IRC can be used universally for expansions. 
 
The following communications services are supported: 
Telecontrol communication 
Network types 
The TIM makes telecontrol communication possible via the following network types: 
●  Industrial Ethernet 
●  Dedicated line / wireless network 
●  Analog dial-up network, ISDN network