Analog modules
6.9 Analog input module SM 331; AI 8 x RTD; (6ES7331-7PF01-0AB0)
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
389
Channel groups
The channels of SM 331; AI 8 x RTD are arranged in four groups of two channels. You can
assign parameters only to one channel group.
The table below shows the relevant configuration of channel groups. The channel group
number is required to program SFC parameters in the user program.
Table 6- 24 Assignment of SM 331; AI 8 x RTD channels to channel groups
... form one channel group each
Channel group 0
Channel 1
Channel group 1
Channel 3
Channel group 2
Channel group 3
6.9.3 Programmable parameters
Introduction
For general information on programming analog modules, refer to the chapter Programming
analog modules (Page 294).
The table below provides an overview of programmable parameters and of their defaults:
Parameters
Table 6- 25 Overview of SM 331; AI 8 x RTD parameters
Enable
• Diagnostics interrupt
• Process interrupt when limit
exceeded
• Process interrupt at end of
cycle
yes/no
yes/no
yes/no
no
no
no
dynamic
Module
Process interrupt trigger
• High limit
• Low limit
32511 to -32512
from - 32512 to 32511
32767
-32768
dynamic
Channel
Diagnostics
• Group diagnostics
• with line continuity check
yes/no
yes/no
no
no
static
Channel
group