Conventions For The Symbols Used In The Subroutines; Subroutine 20 - Aux_Mcp (Machine Auxiliary Functions) - Siemens SINUMERIK 808D ADVANCED Series Commissioning Manual

6.6.2

Conventions for the symbols used in the subroutines

The symbols used in the subroutines follow the conventions listed below:
● Leading characters designate the destinations of interface signals.
– P_: to PLC interface
– H_: to HMI interface
– N_: to NCK interface
– M_: to MCP interface
● Subsequent characters are for areas.
– N_: NCK
– C_: Channel
– 1_: Axes
– M_: MCP
● Other short forms of the symbols are as follows.
– HWL: Hardware Limit
– HW: Handwheel
– RT: Rapid Traverse
– TK: Traverse key
– ACT: Active
– SEL: Selected
● Symbols consist of a maximum of 11 upper case characters and numbers (including the leading character). Except for
underlines, you cannot use any other special symbols like =, +, -, [ ], etc.
6.6.3

Subroutine 20 - AUX_MCP (machine auxiliary functions)

Purpose
Subroutine 20 is used to call the Auxiliary function Subroutines AUX_LAMP, AUX_CHIP, and AUX_SAFETY_DOOR.
Local variable definition
None
Relevant PLC machine data
None
Example for calling subroutine 20
Commissioning Manual
6FC5397-4EP10-0BA8, 07/2018
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