Patent ID: 8887000
Filing Date: 2014-11-11
Classification: G05B,G06F

Abstract:
1. A safety I/O terminal for connecting to an input device designed based on a safety standard, to which an on-off signal is input, connecting to a safety controller designed based on the safety standard via a network, and transmitting an input signal from the input device to a communication master unit of the safety controller, comprising: one or more input terminals configured to be given the input signal from the input device compliant with the safety standard; a test terminal, configured to be used in a test out specification in combination with at least one of a nonuse specification, a standard output specification, a power supply specification and a muting lamp specification; a memory configured to store a specification setting regarding the test terminal, wherein the specification setting allows the safety I/O terminal to switch the structure of the one or more input terminals and test terminal in accordance with the input device to be controlled; and a microcomputer configured to output a test signal for determining presence of abnormality when the specification setting regarding the test terminal is specified as the test out specification and to carry out a process regarding the test terminal based on the specification setting when the specification setting regarding the test terminal is specified as one of the other specifications, in accordance with the specification setting in the memory, wherein the process includes at least one of: