Watlow MLS - Manual (Page 76)

64 MLS User’s Guide
Setup
Job Digital Input Polarity
Use this menu to set the polarity of the digital outputs used for job
selection. You can set the Active state to closed (Low) or open (High).
Selectable values: Low or High.
Output Override Digital Input
This menu lets you set a digital input that sets all loops in manual
output at output levels you select in the
Outputs menu. This menu, and
the next one, let you configure a "panic button" or "kill switch" that sets
all outputs to the output override percentage you set in the
Setup Loop
Outputs main menu.
Selectable values: Input number 1-8, or NONE.
WARNING
ANAFAZE recommends that you install additional
external safety devices or over-temperature
devices for emergency shutdowns. Do not rely
solely on the output override feature to shut down
your process.
Output Override Input Polarity
This menu lets you toggle the polarity of the Output Override digital
input. You can set the input to be active when Low or active when High.
Selectable values: Low or High.
LOOP PROCESS UNITS
ALARM SETPOINT STATUS OUT%
JOB DIGITAL INPUT
TRUE? LOW
LOOP PROCESS UNITS
ALARM SETPOINT STATUS OUT%
OUTPUT OVERRIDE
DIG INPUT? NONE
LOOP PROCESS UNITS
ALARM SETPOINT STATUS OUT%
OVERRIDE DIG IN
ACTIVE? LOW