WAGO 750 Series User Manual

iv • Table of Contents
WAGO-I/O-SYSTEM 750
Linux Fieldbus Coupler
2.8 Grounding...............................................................................................37
2.8.1 Grounding the DIN Rail ....................................................................37
2.8.1.1 Framework Assembly ...................................................................37
2.8.1.2 Insulated Assembly.......................................................................37
2.8.2 Grounding Function...........................................................................38
2.8.3 Grounding Protection ........................................................................39
2.9 Shielding (Screening)............................................................................. 40
2.9.1 General...............................................................................................40
2.9.2 Bus Conductors..................................................................................40
2.9.3 Signal Conductors..............................................................................40
2.9.4 WAGO Shield (Screen) Connecting System.....................................41
2.10 Assembly Guidelines/Standards.............................................................41
3 Linux Fieldbus Coupler 750-860..............................................................42
3.1 View .......................................................................................................43
3.2 Power Supply .........................................................................................44
3.3 Fieldbus Connection via the Ethernet Interface .....................................45
3.4 Display Elements....................................................................................46
3.5 Configuration Interface ..........................................................................47
3.6 Selector Switch.......................................................................................48
3.7 Hardware Address (MAC ID) ................................................................49
3.8 Memory Map..........................................................................................49
3.9 Linux System Start .................................................................................50
3.10 Error Indication (IO LED)...................................................................... 51
3.11 Technical Data........................................................................................53
4 Board Support Package (BSP)................................................................. 55
4.1 Scope of delivery....................................................................................55
4.2 File System (Root File System).............................................................. 58
4.3 The Console of the Linux Fieldbus Coupler ..........................................62
4.3.1 Shells .................................................................................................63
4.3.2 Busybox............................................................................................. 64
4.3.3 User Administration (Tinylogin).......................................................67
4.3.4 Terminal Program (getty) ..................................................................68
4.3.5 Setting the Hardware and System Clock ...........................................68
4.4 Web-Based Management (WBM)..........................................................71
4.5 Ethernet Interface Services.....................................................................81
4.5.1 Telnet Server......................................................................................81
4.5.2 FTP Server (ftpd)............................................................................... 82
4.5.3 FTP Client..........................................................................................84
4.5.4 SNTP Client (msntp) .........................................................................85
4.5.5 HTTP Server (BOA).......................................................................... 87
4.5.6 Netflash..............................................................................................89
4.6 Ethernet Interface Services.....................................................................91
4.6.1 Temporary Assignment of the IP Address (ifconfig) ........................91
4.6.2 Permanent Assignment of the IP Address (wagoset) ........................92
4.6.3 Dynamic IP Address Assignment during Runtime............................93
4.6.4 Checking the Network Connection.................................................... 95

WAGO 750 Series Specifications

General

Protection Class	IP20
Bus Couplers	PROFIBUS, CANopen, Ethernet
Modules	Digital Input, Digital Output, Analog Input, Analog Output
Mounting	DIN rail mounting
Voltage Supply	24 V DC (typical)
Communication Protocol	Depends on the bus coupler (e.g., PROFIBUS, CANopen, DeviceNet, Ethernet)
Digital Input Channels	Varies by module (e.g., 8, 16 channels)
Digital Output Channels	Varies by module (e.g., 8, 16 channels)
Analog Input Channels	Varies by module (e.g., 2, 4, 8 channels)
Analog Output Channels	1, 2, 4 channels (depending on module)
Width	12 mm, 24 mm (typical module widths)
Number of Channels	Varies by module type
Current Consumption per Channel	Varies by module type