turck BL67 - BL67-4 AI-TC, Thermo Element

D300529 0115 - BL67 I/O modules
6-67
BL67-4AI-TC, thermo element
6.7 BL67-4AI-TC, thermo element
Figure 6-23:
BL67-4AI-TC
Figure 6-24:
Block diagram
PE
GND
V
0
V
sens
=
=
AI+
AI-
S+
PE
GND
1
2
3
4
5
AI+
AI-
S+
PE
GND
1
2
3
4
5
J
J
M12


1
1
cold junction compensation r esistance (Pt1000) in male connector
multi-
plexer
signal
conditioning
AD-
converter
BL67-
system bus
communi-
cation
bus
power
bus
module bus
interface
J
J
.
.
.
Channel 4
Channel 1