Specifications

Table Of Contents
175
Reference Manual
00809-0100-4026, Rev HA
Section 8: Safety Instrumented Systems (4-20 mA Only)
November 2014
Safety Instrumented Systems (4-20 mA Only)
SIS
Safety Instrumented System – Implementation of one or more Safety Instrumented Functions.
A SIS is composed of any combination of sensor(s), logic solver(s), and final element(s).
Type B device
Complex device (using microcontrollers or programmable logic)