Contents PLX30 Series
User Manual Ethernet and Serial Gateways
Page 6 of 200 ProSoft Technology, Inc.
September 19, 2012
4.2.2 RS-232 - Null Modem (DTE without Hardware Handshaking) ............................... 49
4.2.3 RS-232 - DTE to DCE Modem Connection ............................................................ 49
4.2.4 RS-422 Interface Connections ................................................................................ 50
4.2.5 RS-485 Interface Connections ................................................................................ 50
5 EIP Protocol 51
5.1 EIP Functional Overview ........................................................................................ 52
5.1.1 EtherNet/IPâ„¢ Client ............................................................................................... 53
5.2 EIP Configuration .................................................................................................... 54
5.2.1 EIP Class 3 Server Connection .............................................................................. 54
5.2.2 EIP Class 1 Connection .......................................................................................... 56
5.2.3 EIP Class 3 Client/UClient [x] Connection .............................................................. 58
5.3 EIP Diagnostics....................................................................................................... 70
5.3.1 PCB Diagnostics Menu ........................................................................................... 70
5.3.2 EIP Status Data in Upper Memory.......................................................................... 70
5.3.3 EIP Error Codes ...................................................................................................... 73
5.4 EIP Reference......................................................................................................... 77
5.4.1 SLC and MicroLogix Specifics ................................................................................ 77
5.4.2 PLC5 Processor Specifics ...................................................................................... 81
5.4.3 ControlLogix and CompactLogix Processor Specifics ............................................ 85
5.4.4 EIP Command Entry Form ...................................................................................... 92
6 MBTCP Protocol 93
6.1 MBTCP Functional Overview .................................................................................. 94
6.1.1 General Specifications - Modbus TCP/IP ............................................................... 94
6.1.2 Internal Database ................................................................................................... 95
6.2 MBTCP Configuration ............................................................................................. 98
6.2.1 MBTCP Servers ...................................................................................................... 98
6.2.2 MBTCP Client[x] ................................................................................................... 100
6.2.3 MBTCP Client[x] Commands ................................................................................ 102
6.3 MBTCP Diagnostics .............................................................................................. 106
6.3.1 PCB Diagnostics ................................................................................................... 106
6.3.2 MBTCP Status Data in Upper Memory ................................................................. 106
6.3.3 MBTCP Error Codes ............................................................................................. 109
6.4 MBTCP Reference ................................................................................................ 110
6.4.1 Modbus Protocol Specification ............................................................................. 110
7 MBS Protocol 123
7.1 MBS Functional Overview .................................................................................... 124
7.1.1 Modbus Serial Specifications ................................................................................ 124
7.1.2 Modbus Master/Slave Port Specifications ............................................................ 125
7.1.3 Gateway Internal Database .................................................................................. 126
7.2 MBS Configuration ................................................................................................ 127
7.2.1 MBS Port [x] .......................................................................................................... 127
7.2.2 MBS Port [x] Commands ...................................................................................... 131
7.3 MBS Diagnostics .................................................................................................. 134
7.3.1 PCB Diagnostics ................................................................................................... 134
7.3.2 MBS Status Data in Upper Memory ..................................................................... 134
7.3.3 Error/Status Codes ............................................................................................... 140
7.4 MBS Reference..................................................................................................... 141