
Communication Layers' Attributes
Appendix D
D-3
The System–Layer attributes control the communication between the OSI
coprocessor and the Allen–Bradley MAP Station Manager.
System-Layer
Parameters:
Description:
Printf_option
When the Allen-Bradley MAP Station Manager terminal is connected directly to the
RS-232 port of the OSI coprocessor, this parameter provides the option of having all
diagnostic information messages that come out from the module ``translated" such
that they can be understood by the Manager.
Printf_enable
This enables the parameter shown above. Dictates whether or not diagnostic
information messages can go out of the RS-232 port.
Pass Through Option
Reserved for future use.
System-Layer Status:
Description:
Current Mode
The current operating mode of the OSI coprocessor (Partially or Fully Operational).
Battery
A value of OK indicates that the OSI coprocessor battery has sufficient power to
retain non-volatile memory.
Firmware Revision:
Revision
The revision number of your OSI coprocessor firmware.
Software Revision:
Revision
The revision number of your OSI coprocessor software.
Switch settings:
This reflects the condition of the OSI coprocessor's four switches (see list below).
Mode After Reset
This switch determines which mode, either Fully or Partially Operational, the OSI
coprocessor attempts to transition to after a system reset or powerup. A value of
OFF is interpreted as a command to Go Fully Operational.
A value of ON is
interpreted as a command to Go Partially Operational.
Communication
Defaults
The OSI coprocessor contains both
Allen-Bradley and user default values. The
Allen-Bradley defaults are stored in read-only memory and the user defaults are
stored in non-volatile read/write memory. This switch determines which default
setting to apply after a system reset or powerup. A value of OFF is interpreted as a
command to use the user defaults. A value of ON is interpreted as a command to
use the Allen-Bradley defaults. See the preceding sections titled
Definition of
Defaults
, for description of user and Allen-Bradley defaults.
Auto Clear
Allows you to specify whether or not the contents of non-volatile memory are to be
erased (cleared) when the coprocessor is detached from the PLC-5 controller (and
re-attached to a different PLC-5 controller). See Chapter 2 of this manual for the
four events that must occur for the auto clear function to work.
Reserved
Reserved and should always be OFF.
Image ID:
File name
The filename is the name of the disk file on the Allen-Bradley MAP Station Manager
that contains the loadable image (software program) that was loaded into this OSI
coprocessor.
Image type
The image type is an integer that represents the type of loadable image in the OSI
coprocessor. This will always be the number 2.
System-Layer Attributes
Содержание PLC-5 MAP/OSI
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