WAGO 750-880 User Manual

WAGO-I/O-SYSTEM 750 Fieldbus Communication 301
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
12.3.5.35 Output Fieldbus Variable USINT Extended 1 (A4
hex
)
The extension of the "Output Fieldbus Variable USINT" class enables the
exchange of PLC output variable data. The instance scope of the "Output Fieldbus
Variable USINT Extended 1" class covers the PLC output variable data from 256
to 510.
For WAGO-I/O-PRO or CoDeSys, that means the PLC addresses for output
variables %QB2807...%QB3061.
Instance 0 (Class Attributes)
Table 289: Output Fieldbus variable USINT Extended 1 (A4
hex
) – Class
Attribute
ID
Access Name Data type Description Default value
1 Get Revision UINT Revision of this object 1 (0x0001)
2 Get Max Instance UINT Max. number of instances 255 (0x00FF)
Instance 256...510 (Output variable 256 up to 510)
Table 290: Output Fieldbus Variable USINT Extended 1 (A4
hex
) – Instance 256...510
Attribute
ID
Access Name Data type Description Default value
1 Get Fb_Out_Var USINT Fieldbus output variable of SPS 0
Common Services
Table 291: Output Fieldbus Variable USINT Extended 1 (A4
hex
) – Common service
Service available Servicecode
Class Instance
Service-Name Description
0E
hex
Yes Yes Get_Attribute_Single Supplies contents of the appropriate
attribute

WAGO 750-880 Specifications

General

Data Memory	128 KB
Real-time Clock	Yes
Supply Voltage	24 VDC
System Power Supply	24 VDC
Number of I/O Modules	Up to 64
Protection Type	IP20
Relative Humidity	95 % (non-condensing)
Bus System	Ethernet
Interfaces	Ethernet, RS-232
Operating Temperature	-25 °C to +60 °C
Storage Temperature	-40°C to 85°C
Data Rate	10/100 Mbit/s (Ethernet)
Programming Languages	IEC 61131-3
Data Transfer Rate	10/100 Mbit/s
Fieldbus Protocols	MODBUS/TCP
Product Type	Programmable Fieldbus Controller