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RS485 Network Adapter (Modbus)
Product Page @ Moxa Site MOXA Major LinesMfg Part Number: NA-4020 , Item #: 229545
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Price: $499.00
+ Free Shipping
Quantity:
In Stock: 3
In Stock: 3
No Sales Tax except these states
, PO and Wire.
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Pin Assignment
Specification
| Power Requirements | |
| Power Consumption | 70 mA @ 24 VDC |
| Power Input | 11 to 28.8 VDC, 24 VDC typical |
| Current for I/O Modules | Max. 1.5 A @ 5 VDC |
| Serial Communication Parameters | |
| Signals | • NA-4020: Data+, Data-, Gnd, DIR (5-contact terminal block) • NA-4021: TxD, RxD, Gnd (9-pin D-Sub female) |
| Data Bits | 7, 8 |
| Parity | None, Even, Odd |
| Stop Bits | 1, 2 |
| Baudrate | 1200 to 115200 bps |
| Software Features | |
| Protocols | Modbus/RTU, Modbus/ASCII |
| Number of I/O Modules Supported | Max. of 32 |
| Modbus Address | 00 to 99 (set by rotary switches) |
| Programming Library | MXIO DLL library for Windows; Supports Visual Basic, Visual C++, Borland C++ Builder, .net, VB/VC.NET |
| MTBF (mean time between failure) | |
| Database | Telcordia (Bellcore) |
| NA-4020 Time | 4,695,360 hrs NA-4021 Time: 4,721,640 hrs |
