
Table of
Contents
General Description .................................................................... 5
Installation ................................................................................... 6
Jumper Selections ...................................................................... 6
Factory Default Settings .............................................................. 7
Entering and Changing Parameter Values................................. 8
Parameter Descriptions............................................................... 9
Proportional Bandwidth
Rate
Reset
Autotune
Modes of Operation ..................................................................... 10
Manual Mode
Auto Mode
Functions ..................................................................................... 11
Sensor Sampling
Closed-Loop Control
Open-Loop Control
CompuStep
®
(Heater Bake-Out)
Output Failure Override Option
Loop-Break Protection
Temperature Indication
Heat-On Indication
Current Monitoring
CompuStep/Bake-Out/Soft-Start
Autotune
Auto Control Mode
Manual Control Mode
Bumpless Transfer
Ground Fault Detection Option
Preset Deviation Alarms
Current Monitor/Output Failure Detection
Sensor Error Detection
Normal Operating Mode Display Functions
Autotune Active Indication
Display and Error Codes ............................................................ 16
Specifications ............................................................................. 17
Warranty...................................................................................... 18
Repairs and Spare Parts ............................................................ 19
4 5
General
Description
The Series RMB zone temperature controller is a PID-controlled instrument
specifically designed for runnerless (hot runner) plastic injection molding
applications. The controller is self-adjusting and capable of maintaining a
very high degree of temperature accuracy over a wide range of operating
conditions.
Simplified controls and the use of status indicators allow the operator to
make adjustments easily. The status display also provides visual indication
of normal or abnormal operating conditions existing in both the controller
and/or load.
The RMB is a microcontroller-based “Hot-Runner” family control module that
provides temperature control and operator interface functions. It controls one
temperature zone by sensing a J or K thermocouple (see jumper table). The
RMB’s operator input is via a 4-button keypad. The controller has two
displays consisting of seven-segment LEDs. The upper display is a three-
character display and the lower display is a four-character display. Addition-
ally, the unit has three discrete LED indicators to indicate system status.
The RMB consists of two electronics boards (microcontroller and display), a
triac/heat-sink assembly, and a front-panel assembly. It is physically and
electrically compatible with the existing Athena mainframe system.
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