1. Main Features
- M-Bus Level Converter for 250 devices
- Transparent level converting of several interfaces to M-Bus
- Ethernet 10/100BaseT and USB 2.0 with driver for virtual serial port
- 1 x RS232C with terminals (TXD, RXD, GND) and 1 x RS232C with DSUB socket
- 2-wire RS485 interface (not addressable)
- M-Bus Booster with Repeater function for extension of M-Bus networks
- Galvanic isolation of all interfaces from M-Bus
- Intelligent access control of the interfaces by a microcontroller
- Internal power supply with wide range input for worldwide use
- Housing for wall mounting (optional rail mounting kit)
2. Installation
2.1 Mounting
The case of the PW250 can be attached to a wall with four screws. The drill pattern is rectangular (180 mm
horizontal, 180 mm vertical). The drillings shall have a diameter of 5 mm. You can alternatively fix a special
rail holder to the case to enable the mounting on a rail of the type TS 35 (Accessory: GHZ TSH35-2). The
case can be secure closed with the optional cylinder lock (accessory: GHZ Lock).
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