The built-in I/O Module is used to connect sensors such as piezo buttons, reflection light buttons with PNP transistor output or door contacts type lfm-electronics NG 5001 and magnetic valves to the subnet. The module can be used to transfer 2 commands to the BUS system and to issue 2 commands. The sensors or magnetic valves are connected by means of assembled cable connectors.
Example: (see Wiring Diagrams) 2 reflection light buttons with PNP transistor output and 2 magnetic valves
Electrical Data
| Operating voltage | 12V to 30V DC |
| Current consumption | 25mA at 24V |
| Inputs | 2x 12-27V DC, 5mA via optocoupler (4.7kOhm) for PNP outputs |
| Outputs | 2x transistor outputs for valves, +Ub, max. 1A |
| Subnet (RS-485) | max. 5.6V limitation by Z-diodes |
| Connection | screw terminals 2.5mm² for BUS, cable connector for sensors and valves |
| Operating temperature | -10°C to +50°C |
| Storage temperature | -25°C to +70°C |
| Humidity | 0...85 % r.h. non-condensing |
| Protection class | IP20 |
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I/O-22E-S-PNP
Article no.: 80021242
With the module up to 2 commands can be transferred to the BUS system and 2 commands can be issued.