Electronics Design and Manufacture
ABN: 57 995 688 558
TTL to RS485 converter
Created by GFE systems,
this board is intended to
cater for those situations where
is inadequate to handle data transfer over a long distance or
electrically noisy environment.
SIMPLE TTL TO RS485 CONVERTER BOARD
The TTL485-NHM board
provides a half-duplex multi-drop / multi-point serial link
for a network between 2 and 32 Nodes. On board links are provided for
line termination (120 ohms) as well as bus fail-safe mode. Provision is
connection of cable shield with current limiting (120 ohms).
- Single supply 5.0V +/- 10% @ 5mA.
- Up to 250kbps data rate..
- Maximum distance between end-nodes is 1200m.
- Up to 32 nodes per network.
- Small board size: 48mm x 36mm x 15mm.
- +/- 15KV ESD protection.
- Half-duplex operation.
- RS422 backward compatible.
- Suitable for multi-drop network.
- Designed for multi-point network.
- Available with either Crimp or IDC connectors.
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