Moxa Technologies MGate MB3000 Modbus, User Manual, Page: 28 / 89

MGate MB3000 Modbus Gateway User Manual 28
Specifications
LAN
Ethernet 10/100 Mbps, RJ45, Auto MDI/MDIX
Number of Ports 2 (1 IP, Ethernet cascade)
Connector 8-pin RJ45
Protection Built-in 1.5 kV magnetic isolation
Optical Fiber Interface
100BaseFX
Multimode Single-mode
Fiber Cable Type OM1
50/125
µ
m
G.652
800 MHz*km
Typical Distance 4 km 5 km 40 km
Wavelength
Typical (nm) 1300 1310
TX Range (nm) 1260 to 1360 1280 to 1340
RX Range (nm) 1100 to 1600 1100 to 1600
Optical Power
TX Range (dBm) -10 to -20 0 to -5
RX Range (dBm) -3 to -32 -3 to -34
Link Budget (dB) 12 29
Dispersion Penalty (dB) 3 1
Note: When connecting a single-mode fiber transceiver, we recommend using an attenuator to prevent
damage caused by excessive optical power.
Note: Compute the “typical distance” of a specific fiber transceiver as follows: Link budget (dB) >
dispersion penalty (dB) + total link loss (dB).
Serial Interface
Interface RS-232/422/485
No. of Ports 1 port
Connector Type DB9 (male) for RS-232, terminal block for RS-422/485
Signals RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
RS-422: Tx+, Tx-, Rx+, Rx-, GND
RS-485 (2-wire): Data+, Data-, GND
RS-485 (4-wire): Tx+, Tx-, Rx+, Rx-, GND
Serial Line Protection 15 kV ESD for all signals
Magnetic Isolation Protection 2 kV (for -I model)
RS-485 Data Direction
Patented ADDC™
Serial Communication Parameters
Parity None, Even, Odd, Space, Mark
Data Bits 7, 8
Stop Bits 1, 2
Flow Control RTS/CTS
Transmission Speed 50 bps to 921.6 Kbps
Software Features
Operation Mode RTU Slave, RTU Master, ASCII Slave, ASCII Master
Utilities MGate Manager
Multi-Masters and Multi-
Request 32 simultaneous TCP masters, 32 simultaneous requests for each TCP master
Power Requirements
Power Input 12 to 48 VDC
Power Connector Terminal block
Power Consumption
(Input Rating) • MGate MB3170, MGate MB3170-T:
12 to 48 VDC, 435 mA (max.)
• MGate MB3170-M-ST, MGate MB3170-M-ST-T, MGate MB3170-M-SC,
MGate MB3170-M-SC-T:
12 to 48 VDC, 510 mA (max.)
•
MGate MB3170I, MGate MB3170I-T, MGate MB3170-S-SC, MGate
MB3170-S-SC-T, MGate MB3170I-S-SC, MGate MB3170I-S-SC-T, MGate
MB3170I-M-SC, MGate MB3170I-M-SC-T:
12 to 48 VDC, 555 mA (max.)
Relay Output
1 digital relay output to alarm (normal close):
Current-carrying capacity 1 A @ 30 VDC