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4
Input-output interfaces
The interfaces are available on a terminal strip accessible afar front panel removal and on its bottom wall.
The description of terminal strip is presented in figure 3 and table 1. For Extension Module interface
description – see section 4.7, or service interface – see section 4.6.
Port symbol
Terminal no. Terminal name
Description
Device 230 V AC power supply port. Parameters – see section 10
1
L
Phase wire
2
N
Neutral wire
3
PE
Protective earth wire
All-purpose relay port. For further information – see section 4.2
4
R1.1
Relay 1 terminals
5
R1.2
6
R2.1
Relay 2 terminals
7
R2.2
8
R3.1
Relay 3 terminals
9
R3.2
Fault relay. For further information – see section 4.1
10, 11
F1, F2
Fault relay NC terminals
External signal dual input. For further information – see section
4.3
12,13
D1, D2
Digital input terminals – bidirectional polarity
24 V DC power supply port. Parameters – see section 10
14
-
Negative power supply pole
15
+
Positive power supply pole
24 VDC indicator port. For further information – see section 4.4
16
-
Negative indicator power supply terminal
17
Visual indicator power supply output
18
Acoustic indicator power supply output
p. 9|38
User's Manual: POD-026-ENG R17
Figure 3: Terminal block
