Fieldbus Specific Mailbox Commands
3-6
• Index
The desired index of the PCP-object
• Index Type
Type of variable of the object
01h:
Boolean
02h:
Integer (8 bit)
03h:
Integer (16 bit)
04h:
Integer (32 bit)
05h:
Unsigned (8 bit)
06h:
Unsigned (16 bit)
07h:
Unsigned (32 bit)
08h:
Floating point (32 bit)
• Password
The desired password for the object
• Access Groups
The objects access groups
• Buffer Type
Selection whether the In or Out area of the module shall be used
00h:
Use the output buffer
01h:
Use the input buffer
• Access rights
The access rights for the object
PR
-
Password read access
PW -
Password write access
GR -
Group read access
GW -
Group write access
AR
-
All read access
AW -
All write access
Example
To allow all to read the parameter but only let the ones with the correct password write to it,
would give 0x0102 as access rights.
• Offset
The offset within the parameter data area of the module to be used.
• Object Name Length
Length of Object Name in bytes. Maximum value is 11.
• Object Name String
Ascii string containing the Object Name. Maximum length is 11 bytes.
• Number of Elements
The amount of elements within an array object. If set to 0, the object will be a simple variable
object instead.
b15 b14 b13 b12 b11 b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
-
-
-
-
-
-
AW
AR
-
-
GW
GR
-
-
PW
PR