A notification control device , comprising: a first communication status detector configured to detect a status of a first communication protocol of communication between a first device and a second device in a process control system (1a, 1b, lc); a second communication status detector configured to detect a status of a second communication protocol different from the first communication protocol of the communication, and a storage configured to store notification common information, the notification common information being data in which the status of the first communication protocol and the status of the second communication protocol are associated with the same tag information, wherein the status of the first communication protocol is a status of safety communication, wherein the status of the second communication protocol is a status of a communication path, wherein the first communication status detector is configured, in a case where the status of the first communication protocol is changed from normal status to abnormal status, to acquire, from the storage , the tag information associated with the status of the first communication protocol in the notification common information, to generate a safety communication abnormality alarm to which the acquired tag information is added, and to input safety communication abnormality alarm into an operation monitoring terminal , and wherein the second communication status detector is configured, in a case where the status of the second communication protocol is changed from normal status to abnormal status, to acquire, from the storage , the tag information associated with the status of the second communication protocol in the notification common information, to generate a path abnormality alarm to which the acquired tag information is added, and to input the path abnormality alarm into the operation monitoring terminal . a first communication status detector configured to detect a status of a first communication protocol of communication between a first device and a second device in a process control system (1a, 1b, lc); a second communication status detector configured to detect a status of a second communication protocol different from the first communication protocol of the communication, and a storage configured to store notification common information, the notification common information being data in which the status of the first communication protocol and the status of the second communication protocol are associated with the same tag information, wherein the status of the first communication protocol is a status of safety communication, wherein the status of the second communication protocol is a status of a communication path, wherein the first communication status detector is configured, in a case where the status of the first communication protocol is changed from normal status to abnormal status, to acquire, from the storage , the tag information associated with the status of the first communication protocol in the notification common information, to generate a safety communication abnormality alarm to which the acquired tag information is added, and to input safety communication abnormality alarm into an operation monitoring terminal , and wherein the second communication status detector is configured, in a case where the status of the second communication protocol is changed from normal status to abnormal status, to acquire, from the storage , the tag information associated with the status of the second communication protocol in the notification common information, to generate a path abnormality alarm to which the acquired tag information is added, and to input the path abnormality alarm into the operation monitoring terminal . <EOS>