DIN EN 60834-1 VDE 0852-1:2000-12

The document applies to teleprotection command systems used to convey commnad information, generally in conjunction with protection equipment. It aims at establishing performance requirements and recommended testing methods for command type teleprotection equipment. The information conveyed by the teleprotection equipment can be in analogue or digital form. The command type teleprotection equipment can be power line carrier equipment or voice frequency equipment which is used in connection with various telecommunication systems. In addition the command type teleprotection can be digital equipment which is used with a digital telecommunication system or media.