- Dual Power Input: Can be powered over RS232 line or external power input
- Wide range power input: 3,3V – 28V DC
- Wide operating temperature range from -40 to 85 °C
- Very Small form factor, only 2.1 x 4.2 x 4.4cm
- Firmware upgradable over serial line
INTERFACE AND INDICATORS
RS232 ConnectorDB9 Male RS232 Connector. Only Tx-Rx-GND for data transmission
2 – Rx
3 – Tx
5 – GND
RS485 ConnectorTerminal Connector for 2 wire RS485 connection and GND.
Operation Mode Selection Switch
Selects the operating mode of the device.
Mode Selection
| Modem Side Communication Parameters
| Meter Side Communication Parameters
|
| Mode 1 (LED 1 ON) | 19200 8N1
| Starts with 300 baud rate and changes during transmission to target baud rate based on IEC62056-21 protocol
|
Mode 2 (LED 2 ON)
| 9600 8N1
| Starts with 300 baud rate and changes during transmission to target baud rate based on IEC62056-21 protocol
|
Mode 3 (LED 3 ON)
| 19200 7E1
| Starts with 300 baud rate and changes during transmission to target baud rate based on IEC62056-21 protocol
|
Mode 4 (LED 4 ON)
| 9600 7E1
| Starts with 300 baud rate and changes during transmission to target baud rate based on IEC62056-21 protocol
|
LED Indicators
Following LEDs available to show system status.
1 – Mode 1 LED
2 – Mode 2 LED
3 – Mode 3 LED
4 – Mode 4 LED
5 – System LED: Blinks every second
6 – Tx LED: Sending data from Modem Side to Meter Side
7 – Rx LED: Receiving data from Meter Side to Modem Side
FIRMWARE UPGRADE
Upgrade over Serial Line
Available from Modem side Serial Line
RS232 on MBC141
Device must be on operating mode 19200 8N1 for firmware upgrade process.
POWER
Power Input Over RS232 (Optional)
(switch selectable)
Device Can be powered over PIN4 and/or PIN8 of RS232 DB9 Male Interface
Switch must be in proper position
Power Input Selection Switch
Input power By External Power Source or Input power By RS232 Line pins (4 and/or 8) selectable (optional)
Power Input
3,3V – 28V DC
Reverse Polarity Protection
Available
Thermal Shutdown Protection
Available
PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS
Enclosure
ABS, IP40
Dimensions
21 x 42 x 44 (h x w x d) mm
Weight
~60gr
Storage Temperature
-55 to 125 °C
Operating Temperature
-40 to 85 °C
Operating Humidity
5% to 95%Non-condensing
MBC141: Modem side RS232, Meter side RS485 IEC 62056-21 Protocol Meter Baud Changer on Serial Line
