SMC Networks ITVH Series Operation Manual page 12

Mode of switch output
The following operation types are available by setting P_1 and P_2.
(Note) This function is available for monitor output: switch output type. (ITVH2020-※2, -※3)
■ P_1＜P_2：
Window comparator mode
P_2
P_1
ON
OFF
■ P_1＝P_2＝0： Out of range mode
(The switch output turns on when set pressure is achieved.)
Switch output
OFF
ON
■ P_1≧P_2：
Hysteresis mode
Output pressure of
E/P regulator
Switch output
- 11 -
Input signal
Output pressure of
E/P regulator