GW-7838-M Modbus TCP to M-Bus Master Gateway, Metal Case
Modbus TCP server gateway that polls up to 100 M-Bus meters and makes their data available to PLCs and PCs over Ethernet or RS-232. Metal case for wall mounting.
- Modbus TCP server to M-Bus master gateway, with Modbus TCP/RTU function codes 0x03 and 0x04 for meter data
- Supports up to 100 M-Bus slaves, configured through the M-Bus utility
- Supports EN 13757 and CJ/T 188 M-Bus standards
- M-Bus over-current and short-circuit protection
- 3750 Vrms photo-coupler isolation on the M-Bus port
- Firmware can be updated via the serial port; internal watchdog
€366.00 per piece
| 1–9 pcs | €366.00 | |
|---|---|---|
| 10–30 pcs | €355.00 | −3 % |
| 31+ pcs | €348.00 | −5 % |
Product information "GW-7838-M Modbus TCP to M-Bus Master Gateway, Metal Case"
GW-7838-M bridges Modbus TCP/RTU networks and M-Bus metering. It acts as an M-Bus master, reading meter data from up to 100 slave devices, and presents that data as a Modbus TCP server, so a PLC or PC can collect readings without any M-Bus knowledge.
The gateway is set up once with the M-Bus configuration utility. After that it reads the meters autonomously. A Modbus client can then access the data over Ethernet (TCP) or the RS-232 serial port, with Modbus function codes 0x03 and 0x04 used to read meter values.
- Supports EN 13757 and CJ/T 188 M-Bus meters
- Suited to energy, water, heat and gas meter reading in automation systems
Applications
- Reading energy counters
- Hot and cold water meters
- Heat meters
- Gas and pressure meters
- Sensors and actuators on an M-Bus network
| Product type: | Gateway |
|---|---|
| Interface: | Ethernet, M-Bus, RS-232 |
| Protocol: | Modbus TCP |
| Ports: | 3 |
| Isolation: | 3750 Vrms (M-Bus) |
| Operating temperature: | -25 ~ +75 ℃ |
| Mounting: | Wall mounting |
| Housing: | Metal |
Specifications
| Ethernet | |
|---|---|
| Ports | 1 x RJ-45, 10/100Base-T(X) |
| Protocol | Modbus TCP |
| COM Ports | |
| Ports | 1 x RS-232, Non-isolated |
| Baud Rate | 300 ~ 115200 bps |
| Parity | None, Even, Odd, Mark, Space |
| Data Bit | 5, 6, 7, 8 |
| Stop Bit | 1, 2 |
| M-Bus | |
| Ports | 1 |
| Baud Rate | 300 ~ 2400 bps and user-defined baud rate |
| Data Bit | 5, 6, 7, 8 |
| Stop Bit | 1, 2 |
| Parity | None, Even, Odd, Space, Mark |
| Isolation | 3750 Vrms for photo-couple |
| Current Protection | short-circuit protection |
| Power | |
| Consumption | 1.8 W @ 24 VDC (with 1 slave device), 11.8 W @ 24 VDC (with 100 slave devices) |
| Mechanical | |
| Dimensions (mm) | 102 x 123 x 40 (W x H x D) |
| Installation | Wall mounting |
| Environment | |
| Operating Temperature | -25 ~ +75 ℃ |
| Storage Temperature | -30 ~ +80 ℃ |
| Humidity | 10 ~ 90% RH, Non-condensing |
Specifications as published by the manufacturer. Subject to change.
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