Atest Gaz Sigma Control L, User Manual

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4 Input-output interfaces
The interfaces are available on a terminal strip accessible afar front panel removal and on its bo+om wall.
The descrip on of terminal strip is presented in figure 3 and table 1. For Extension Module interface
descrip on – see sec on 4.6, or service interface – see sec on 4.5.
Port symbol Terminal
no.
Terminal
name
Descrip!on
Device 230 V AC power supply port. Parameters – see sec on 10
1 L Phase wire
2 N Neutral wire
3 PE Protec ve earth wire
All-purpose relay port. For further informa on – see sec on 4.2
4 COM Common terminal of relay
5..7 R1..R3 Normally open contact of relay 1...3
Fault relay. For further informa on – see sec on 4.1
8..9 F1..F2 Fault relay NC terminals
External signal dual input. For further informa on – see sec on 4.3
10 D1..D2 Digital input terminals – bidirec onal polarity
24 V DC power supply port. Parameters – see sec on 10
12 - Nega ve power supply pole
13 + Posi ve power supply pole
24 VDC indicator port. For further informa on – see sec on 4.4
14 - Nega ve indicator power supply terminal
15 Visual indicator power supply output
16 Acous c indicator power supply output
Bus detector port
17 - Nega ve indicator power supply terminal
18 + Posi ve indicator power supply terminal
19 E Cable shielding
20 A Signal line A
21 B Signal line B
Table 1: Terminal strip descrip!on
p. 9|37
User's Manual: POD-026-ENG R11
Figure 3: Terminal strip