Input/Output Image - Siemens SINUMERIK 840Di sl Commissioning Manual

Ethernet communication
7.5 MCP 483C IE
Note
The MCP 483C IE is connected via an Ethernet interface of the PCU. Since the
communication of the MCP with the SINUMERIK PLC is based on Windows components,
the MCP monitoring time may be exceeded in the following cases:
• 1. Cause: Windows XP identifies a fatal exception error (blue screen)
• 2. Cause: Impairment of Ethernet communication through unsuitable PC components.
7.5.5

Input/output image

Arrangement: Keys and LEDs
A key and the LED positioned above it form a logical unit. The key and the LED have the
same number.
● Key number xy corresponds to Sxy
● LED number xy corresponds to LEDxy
The following figure shows the arrangement of keys and LEDs on the machine control panel.
For the sake of clarity, the LED designations are not shown in full.
Figure 7-7 Keyboard layout MCP 483C IE (front view)
198
Possible measure: none
Possible measure: Increase in MCP monitoring time (parameter: MCPxTimeout)
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
Manual