5.2 IOM3.4 terminal connections and default wiring
5.2.1 IOM3.4 terminal connections
Terminal Name Type Default
1 +
12 or 24 V DC (nominal), maximum 36 V
DC (relative to common)
Positive power supply terminal for
all transistor terminals
2
Transistor output
(Maximum current: < 55 °C: 250 mA (per
output)
Leak current: Typical 1 μA, maximum 100
μA
Saturation voltage: Maximum 0.5 V
Non-replaceable 4 A fuse
Voltage withstand: ±36 V DC)
Configurable
3
Configurable
4
5
Configurable
6
7
Configurable
8
9
Configurable
10
11 Configurable
12 Configurable
13 Configurable
14 Common Transistor output
Common negative power supply
terminal for all transistor terminals
15
Digital input (OFF: 0 to 2 V DC, ON: 8 to
36 V DC, Impedance: 4.7 kΩ)
Configurable
16 Configurable
17 Configurable
18 Configurable
19 Configurable
20 Configurable
21 Configurable
22 Configurable
23 Common Digital input
24
Digital input (OFF: 0 to 2 V DC, ON: 8 to
36 V DC, Impedance: 4.7 kΩ)
Configurable
25 Configurable
26 Configurable
27 Configurable
28 Configurable
29 Configurable
30 Configurable
31 Configurable
32 Common Digital input
5.2.2 Default wiring for input/output module IOM3.4
The IOM3.4 input/output module has no default configuration. All inputs and outputs are configurable
INSTALLATION INSTRUCTIONS 4189340909I UK Page 50 of 144