Keypad controls – Despatch Protocol Controller User Manual
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3
Keypad Controls
Table 1
Protocol Keypad Controls
Mode
Display Code
Function
Description
Manual
MANUAL
Operation
Single setpoint control
Timer
TIMER
Operation
Single setpoint control with process timer
Program
PROGRAM
Operation
Programmable control with three event outputs
Tune
TUNE
Configure
Set instrument parameters
Calibrate
CAL-MODE
Service
Performs instrument calibration
Diagnostics
DIAGNOSE
Service
Performs instrument thermocouple tests, SSR
power level and event output tests.
Table 2
Protocol Touchkeys
Key
Description
•
To move up through any mode
–
To move down through any mode
+
To increase a setpoint or parameter
-
To decrease a setpoint or parameter
Home
To move to the beginning of any mode or segment
Reset
To reset the control when an error has been corrected or to view the profile number,
segment number, and the number of loops (repeat times) remaining.
Heater
On
To initiate heater relay
Heater
Off
To disengage heater relay
Start
To start an operating mode
Stop
To stop an operating mode