Applications
Isolated PROFIBUS / RS-485
IL710TISOLOOP®
RS-485 Truth Table
TXD RTS A
1
0Z
0
0Z
1
11
0
10
B RXD
ZX
ZX
01
10
Reference 485 Drivers (Texas Instruments)
65ALS176 (-40°C to +85°C)
75ALS176 (0°C to +70°)
VDD1 and VISO should be decoupled with 10 nF
capacitors at IL710 supply pins
5
NVE Corporation 11409 Valley View Road Eden Prairie, MN 55344-3617 USA Telephone: (952) 829-9217 Fax: (952) 829-9189 Internet: www.isoloop.com