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4.1.2 Example of the connection diagram with RS-485 output
Figure 4: Example of the connection diagram with RS-485 output
4.2 4 – 20 mA (420) output – only SmArtGas 3
4.2.1 Connection diagram 420
Figure 5: Connection diagram (420)
No. Name Terminal Description
1 Supply / 420 Power supply port. Parameters – see
section 7
- Negative supply pole
+ Positive supply pole
S Active current output
Table 4: Connection diagram description (420)
p. 15|34
User's Manual: POD-009-ENG R07
1
- S +
B
A
+
-
Control Unit
T-connector
Sigma SmArt
- + A B
- + A B
Sigma SmArt
U
ZAS