4
G3PW Features
Section 1-2
Heater Burnout Detection and Alarm Based on Heater Resistance
This function detects changes in heater resistance. An alarm is output if a
change exceeds the set value. The Controller can be set to stop or hold the
output status when an alarm occurs.
With previous heater burnout detection functions, heater burnout was deter-
mined based on the rate of change of the electric current flowing to the heater.
The command value and the load current do not have a linear relationship, so
faulty detection can occur when the command value is changed. With the
G3PW Power Controllers, heater burnout is determined based on the rate of
change of the heater resistance, enabling more accurate heater burnout
detection when the command value changes.
Serial Control from an EJ1 Modular Temperature Controller
Up to eight G3PW Power Controllers can be connected to a Basic Unit in an
EJ1 Modular Temperature Controller via RS-485. Using multiple Power Con-
trollers enables a wire-saving temperature control system.
Power Controller parameters can be set and monitored, and the control status
of items such as the load current can be monitored from CX-Thermo Support
Software running on a personal computer that is connected to the EJ1 End
Unit. For details, refer to the EJ1 Modular Temperature Controller User’s Man-
ual (Cat. No. H142).
Measured
temperature
G3PW Power Controllers
8 max.
Heater
Temperature sensors
Input value
(Connected to Basic Unit.)
(Connected to End Unit.)
RS-485
EJ1 Modular
Temperature
Controller
CX-Thermo
(Enables setting and
monitoring Power
Controller parameters.)
Содержание G3PW
Страница 1: ...Cat No Z280 E1 01 User s Manual G3PW Power Controllers...
Страница 2: ...G3PW Power Controllers User s Manual Produced November 2008...
Страница 3: ...iv...
Страница 15: ...xvi...
Страница 49: ...34 Wiring for Specific Applications Section 3 4...
Страница 61: ...46 Setting Parameters in the Initial Setting Level Section 4 6...
Страница 77: ...62 Heater Burnout Detection Section 5 9...
Страница 113: ...98 Parameter Settings in the Adjustment Level Appendix B...
Страница 117: ...102 Index...
Страница 119: ......