Instructions

Technical Specifications 43
Anybus M-Bus to Modbus-TCP Gateway User Manual Doc: HMSI-27-300, Rev: 1.10
A.2 Electrical
A.2.1 Power supply
This gateway needs an external power supply.
For pin assignments, see 1.2 Description
.
• Input voltage: 24 ±5 VDC
• Connector wire range:
2.5 mm²
• Power consumption: 2 W idle state, 10 W max
• Protection: Reverse polarity
Overvoltage (transient)
A.2.2 Meter interfaces
M-Bus interface compliant with EN 13757-2.
For pin assignments, see 1.2 Description
.
• Uspace: 36 V
• Umark: 24 V
• Connector wire range:
2.5 mm²
• Max number of loads: 20
• Max continuous current load: 140 mA
• Max baud rate: 38400 baud
A.2.3 Communication interfaces
The gateway has a single network communication interface.
• Ethernet compliant with IEEE 802.3
•100 Base-TX
• RJ-45 connector
A.2.4 Galvanic isolation
The Ethernet interface is galvanically isolated from the supply voltage.
• Galvanic isolation 1000 V
A.2.5 Processing unit
• Microprocessor architecture: 80x86
• Clock frequency: 96 MHz
•RAM memory: 8 MB
• Flash memory (internal): 8 MB
• Operating system: RTOS (proprietary)