
8 by E.E.P.D. GmbH All rights reserved
Hardware Reference Manual
– IM232/IM485
Table of contents
Preface.................................................................................................................................................... 1
1Ordering Information .......................................................................................................... 3
Available Modules ................................................................................................................. 31.1
2Installation and Operation.................................................................................................. 4
System information................................................................................................................ 42.1
2.1.1 Required tools ....................................................................................................................... 4
2.1.2 External documents............................................................................................................... 4
2.1.3 Technical support.................................................................................................................. 4
2.1.4 Installation and connection regulations................................................................................. 5
2.1.5 Scope of supply..................................................................................................................... 5
2.1.6 System characteristics – usage............................................................................................. 5
Mounting solutions................................................................................................................. 62.2
2.2.1 USB port installation.............................................................................................................. 6
2.2.2 DIN rail mounting................................................................................................................... 7
2.2.3 Mounting on E.E.P.D. module carrier.................................................................................... 9
Initial Operation ................................................................................................................... 102.3
3Product Description.......................................................................................................... 11
Features .............................................................................................................................. 113.1
Environmental Specification................................................................................................ 133.2
Detailed Technical Specification ......................................................................................... 143.3
3.3.1 FTDI231X USB to UART Bridge ......................................................................................... 14
3.3.2 RS485 / RS422 Full Duplex Transceiver SN65HVD31 (IM485B only)............................... 15
3.3.3 RS485 Half Duplex Transceiver SN65HVD11 (IM485A only)............................................. 15
3.3.4 RS232 Transceiver TRS3253E (IM232 only)...................................................................... 16
Pin out description............................................................................................................... 173.4
3.4.1 UART................................................................................................................................... 17
3.4.2 Single USB.......................................................................................................................... 18
Driver Support ..................................................................................................................... 193.5
4Appendix............................................................................................................................ 20
Revision History .................................................................................................................................. 20
Table of Figures................................................................................................................................... 20
Index of Tables .................................................................................................................................... 20
Terminology......................................................................................................................................... 21