Siemens TIM 1531 IRC Operating Instructions Manual page 26

Application and functions
1.7 Performance data and configuration limits
● PG routing
Max. 4 simultaneous connections
● Online functions
See PG/OP connections
● HTTP/HTTPS
Max. 2 connections per Ethernet interface
● Connectable control center applications
Number of SINAUT control centers connectable via Ethernet ST7cc / ST7sc Max. 4
Number of data points for the data point configuration
The maximum number of configurable data points is 1000.
Message memory: Send buffer / SD card
The TIM has a message memory (send buffer) for the values of data points configured as an
event.
The send buffer has a maximum size of 100000 messages. The size of the message
memory is divided equally among all configured communications partners.
You will find details of how the send buffer works (storing and sending events) as well as the
options for transferring data in the section Process image, type of transmission, event
classes (Page 113).
You can set saving of frames on an optional SD card in the configuration, see section
Configuration (Page 58).
Messages: E-mail / SMS
Up to 10 messages which the TIM can send as e-mails or SMS messages can be configured
in STEP 7.
● Number of characters per SMS message
Maximum number of characters that can be transferred per SMS message: 160 ASCII
characters including any value sent at the same time
● Number of characters per e-mail
Maximum number of characters that can be transferred per e-mail: 256 ASCII characters
including any value sent at the same time
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Operating Instructions, 02/2018, C79000-G8976-C468-02
TIM 1531 IRC