Atest Gaz Sigma SmArt, Руководство пользователя

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Figure 2: Construction of the device
4 Input-output interfaces
4.1 Output RS-485 (SmartGas 3 and SmArt)
4.1.1 Connection diagram RS-485
Figure 3: Connection diagram (RS-485)
No. Name Terminal Description
1 Supply Power supply port. Parameters – see section 7
- Negative supply pole
+ Positive supply pole
GND
Don't connect
2 SBUS System communication port. Used for data
exchange between devices in Sigma Gas
system.
A, RS+ Signal line A
B, RS- Signal line B
Table 3: Connection diagram description (RS-485)
p. 14|34
User's Manual: POD-009-ENG R07
Display area
Cable gland
Protection screws
Measuring head
Ground terminal
1
2
- + GND RS+ RS-
- + A B
1
2