Appendix 5 - Simple Explanation On The Function Of Hysteresis - EUTECH INSTRUMENTS ALPHA CON 1000 CONDUCTIVITY CONTROLLERTRANSMITTER Instruction Manual

12.5

Appendix 5 - Simple Explanation on the Function of Hysteresis

SP1 Set to LO
SP2 Set to HI
FORWARD DIRECTION
REVERSE DIRECTION
The controller relay activates when the set-point is reached. In the reverse direction, it does not de-
activate when the value reaches the set-point. Instead, it continues to be active till the value reaches the
amount set by the Hysteresis band.
68X216802
10.0 10.5
SP1
RELAY ON
RELAY OFF
100.0 100.5
HYSTERESIS BAND
mS
SP2