M-Bus level converter
PW 3/60 (Discontinued)
Product categories
M-Bus level converter
System technology
Your benefits
- Transparent mode of operation:
Unchanged transfer of read-out data to the communication device - Several interference-proof interfaces (RS232 and RS485 for PW 60) for PC communication:
Greater distances (up to 1000 m via RS485) possible between level converter and PC - Operating status display via LED:
Easy on-site analysis and troubleshooting - Clearly marked connection terminals:
Easy on-site installation
Applications
- Remote supply and remote reading of M-Bus end devices
Properties
- Signal converter from M-Bus to RS232
- M-Bus level converter for 3 or 60 M-Bus end devices with a standard load of 1,5 mA
- M-Bus protocol according to EN 13757-3
- Transfer rates: 300 … 9’600 baud
- Permanent short-circuit protection
- Wide power supply range
- Operating indicator with three (PW 3) or four (PW 60) diodes
- Additional for PW 60
- Signal converter from M-Bus to RS485
- Microcontroller-controlled functions
- Galvanic separated interfaces
- Protected against voltage peaks on the M-Bus
Product information
Technical Data
| Execution | PW 3 | PW 60 |
|---|---|---|
| Current consumption | Via external mains adapter | Via external mains adapter |
| Voltage | 10,5 … 28 V DC / 10 … 27 V AC | 20 … 45 V DC / 20 … 30 V AC |
| Power consumption | 4 W (DC) / 6 W (AC) | 15 W (DC/AC) |
| Housing | ||
| Dimensions (HxWxD) | 78x56x118 mm | 78x70x118 mm |
| Protection class | IP20 | IP20 |
| Material | ABS plastic | ABS plastic |
| Colour | RAL 7035 | RAL 7035 |
| Installation | Wall- or hat rail TS35 (EN 50022) | Wall- or hat rail TS35 (EN 50022) |
| Weight | app. 180 g | app. 300 g |
| Ambient conditions | ||
| Operating temperature | 0 to +55 °C | 0 to +55 °C |
| Storage temperature | -10 to +70 °C | -10 to +70 °C |
| Humidity (non-condensing) | 10 to 70% | 10 to 70% |
Terminals
| Terminals | ||
|---|---|---|
| M-Bus (+), (-) | PW 3 PW 60 | 3 terminal pairs for M-Bus end devices 4 terminal pairs for M-Bus end devices |
| RS232 | PW 3 und PW 60 | Connection D-Sub-9 (female) or screw terminals (TXD, RXD, GND) |
| Supply | ||
| V+, V- | PW 3 | Mains adapter 10,5…28 V DC / 10…27 V AC |
| V+, V- | PW 60 | Mains adapter 20…45 V DC / 20…30 V AC |
M-Bus specifications
| Execution | PW 3 | PW 60 | |||||
|---|---|---|---|---|---|---|---|
| Parameter | min. | typ. | max. | min. | typ. | max. | |
| Max. no. of connectable devices (load unit 1,5 mA each) | - | - | 3 | - | - | 60 | |
| Normal operating bus current | mA | - | - | 5 | - | - | 90 |
| Display alarm current | mA | - | 35 | - | 90 | - | 110 |
| Excessive current switch-off | mA | 50 | - | 70 | 130 | - | 160 |
| Bus voltage MARK (normal operating current) | V | 29 | 30,5 | 32 | 36 | - | 41 |
| Bus voltage SPACE (normal operating current) | V | - | 21 | - | 24 | - | 27 |
| Bit threshold end device > centre | mA | 7 | 8 | 9 | 7 | 8 | 9 |
| Collision threshold | mA | - | 35 | - | - | 30 | - |
| Maximum cable length | app. km | - | 11) | - | - | 11) | - |
1) The maximum possible network reach (entire cable length) as well as the distance to the M-Bus end devices depends greatly on the network topology, the number of connected devices, the cross-section of the used cables and the transfer rate.