LBB Series Oven Owner’s Manual OPERATION
Version 13 39
Copyright © 2011 by Despatch Industries.
All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any
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Table 5. Hi-Limit instrument Setup Parameters.
Select thermocouple type. LBB Series Ovens use type
J thermocouples
Select between °C and °F for reading process
temperature
Select location of decimal point on process-related
parameters
Moves the display temperature to the oven
temperature
If the process value is unstable to read, increasing this
value steadies the input signal.
Function of the output. Must be set to Hi. for Hi-Limit
control.
Output 1
hysteresis
value.
Amount of degrees the temperature must be below
the setpoint temperature before the Hi-Limit can be
reset
Minimum temperature setting for the Hi-Limit
Maximum temperature setting for the Hi-Limit
Despatch does not use this function
Used to select the display in normal condition:
PV = Process Value
SP! = Hi-Limit Setpoint
SAFE = The word “safe” in normal condition
Read-Only Data: Maximum process value since last
UNLOCK operation.
Read-Only Data: Minimum process value since last
UNLOCK operation.
Total accumulated minutes of abnormal conditions
since last UNLOCK operation.
5.4.8. Change Hi-Limit instrument Display from Centigrade to
Fahrenheit
Warning!
Changing program parameters alters the function of the Control.
Proceed carefully and fully understand each parameter before
changing that parameter.