This part of IEC 61784-3 (all parts) specifies a safety communication layer (services and
protocol) based on CPF 8 of IEC 61784-1, IEC 61784-2 and IEC 61158 Type 18 and Type 23.
It identifies the principles for functional safety communications defined in IEC 61784-3 that
are relevant for this safety communication layer. This safety communication layer is intended
for implementation in safety devices only.All current amendments available at time of purchase are included with the purchase of this document.