Title:
PROCESS CONTROL SYSTEM HAVING MONITOR FUNCTION
Document Type and Number:
Japanese Patent JPH02242301
Kind Code:
A
Abstract:
PURPOSE:To execute a monitoring operation without exerting an influence on an operation of an apparatus control program by writing an identifier given to a processing unit to be processed in the next time in a main memory at every end time of each processing unit, and executing the monitoring by other monitor program than the apparatus control program. CONSTITUTION:An apparatus control program 2 has plural pieces of control modules 51 - 5n for controlling an equipment apparatus 1 at every processing unit, and separate identifiers I1 - In are given in advance to each of them, and the program is executed successively by instructing the identifiers I1 - In of the control modules 51 - 5n to be executed in the next time. After each control module is executed, a trace module 6 is started, and the identifiers I1 - In instructed immediately before are written in a logging area LA of a main memory 3. A monitor program 4 knows the control modules 51 - 5n which are being executed at present by looking at the contents of the logging area LA.
Inventors:
GOROMARU KEIZO
Application Number:
JP6312189A
Publication Date:
September 26, 1990
Filing Date:
March 15, 1989
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
G06F11/32; G05B9/02; G05B19/02; G05B19/048; G05B19/05; (IPC1-7): G05B9/02; G05B19/02; G06F11/32
Domestic Patent References:
| JPS595304A | 1984-01-12 | |||
| JPS59133603A | 1984-08-01 |
Attorney, Agent or Firm:
Ishida Choshichi