Atest Gaz Sigma SmArt, Руководство пользователя

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4.3.2 Example of the connection diagram with RS-485 + 420 output
Figure 8: Example of the connection diagram with RS-485 + 420 output
Value of R
obc
shown in table 7.
4.4 420 + relay output – only SmArtGas 3
4.4.1 Connection diagram 420 + PK
Figure 9: Connection diagram (420 + PK)
No. Name Terminal Description
1 Supply/420 Device port. Parameters – see section 7
- Negative supply port
+ Positive supply port
S Active current output
2 PK1 – PK3 NO Normally open contact of relay
COM Common terminal of relay
Table 6: Connection diagram description (420 + PK)
p. 17|34
User's Manual: POD-009-ENG R07
2
PK1
NO
COM
PK2
NO
COM
1
PK3
NO
COM
- S +
Control Unit
SmArtGas 3
- +
GND
RS+ RS-
S
-
S
-
B
A
+
-
Robc
U
ZAS