Red Lion GMPID Single and Dual PID Modules User Manual
Model gmpid – graphite™ series pid modules, General description, Dimensions in inches (mm)
1
DEDICATED SINGLE AND DUAL PID MODULES FOR THE
GRAPHITE SERIES
FULLY ISOLATED DESIGN PROVIDES RELIABLE OPERATION
PID CONTROL WITH REDUCED OVERSHOOT
UNIVERSAL INPUTS ACCEPT TC, RTD, 0-10 V and 0/4-20 mA
SIGNALS
ON DEMAND AUTO-TUNING OF PID SETTINGS
DC ANALOG OUTPUT (OPTIONAL, GMP1 ONLY)
HEATER CURRENT INPUT (OPTIONAL) ENSURES DETECTION
OF HEATER CIRCUIT FAILURE
WINDOWS
®
CONFIGURATION SOFTWARE
GENERAL DESCRIPTION
The Model GMPID series modules are full featured PID controllers designed
for use with the Graphite Series. The GMP1 is a single loop controller, while the
GMP2 is a dual loop controller. The design of the system provides a true
modular PID control platform for multi-zone control applications. The modules
can accept a wide range of thermocouple, RTD, 0-10 V, 0/4-20 mA signals. With
multiple discrete outputs, plus an optional analog output (GMP1 only), the
GMPID modules can perform virtually any combination of time-proportioning
or linear control for heat, cool, or heat/cool applications. The discrete outputs
may also be assigned to one of seven internal soft alarms. The GMP1’s optional
linear output can be assigned to transmit virtually any internal variable.
The modules connect and communicate via proprietary USB connection to
the various Graphite host devices. The Graphite host devices, equipped with
serial ports as well as an Ethernet port(s), allows the system to share data with
PCs, PLCs, and SCADA systems. The maximum number of modules various for
each Graphite host device, see specific models for details.
Once programmed, the module will continue to operate/control independent
of the Graphite host device as long as power is applied. Remove power from the
host device before installing or replacing any modules.
The GMPID modules are available with various discrete output combinations,
including relays, and open drain MOSFETs. For applications requiring large
loads to be controlled, several DIN rail mount relays are available.
The modules can operate in On/Off, P, PI, or PID control mode, and use an
on-demand Auto-Tune that establishes the tuning constants. The PID constants
may be fine-tuned through the serial or Ethernet interface. The modules employ
a unique overshoot suppression feature, which allows the quickest response
without excessive overshoot. The modules can also be operated in manual mode,
providing the operator with direct control of the output.
CONFIGURATION
The Graphite Series is configured with Windows
®
compatible Crimson
®
software. The software is an easy to use, graphical interface which provides a
means of communication configuration, as well as commissioning and
calibration of new systems.
ALARMS
Each loop within the modules has seven internal “soft” alarms, which can be
assigned to trigger any output. This includes four process alarms, two heater
current, and one input fault alarm.
ANALOG OUTPUT OPTION (GMP1 ONLY)
The optional DC Analog Output (10 V or 20 mA) can be independently
configured and scaled for control or re-transmission purposes.
HEATER CURRENT MONITOR OPTION
The optional Heater Current Monitor input is useful for early warning of
heater degradation, or heater circuit failure. The input connects to a current
transformer with an output of 100 mA AC to ensure that proper heater current is
present when the control output is on, and that little or no current is present when
the output is off. This provides immediate warning of a circuit short or open,
instead of waiting for a high or low temperature shutdown alarm.
MODEL GMPID – GRAPHITE™ SERIES PID MODULES
Bulletin No. GMPID-C
Drawing No. LP0922
Released 04/14
Tel +1 (717) 767-6511
Fax +1 (717) 764-0839
www.redlion.net
4.65
(118)
2.97 (76)
1.25 (32)
This terminal
GMP2 only
DIMENSIONS In inches (mm)
CAUTION: Risk of Danger.
Read complete instructions prior to
installation and operation of the unit.
CAUTION: Risk of electric shock.
C
US LISTED
UL
R
IND. CONT. EQ.
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