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Specifications
Comparison with Previous Model (G3PX)
Model
Number of heater phases
Control object
Load voltage
200 V
400 V
Load current
Control method
Phase Control
Optimum cycle control
Output mode
Proportional to phase
angle control
Proportional to volt-
age control
Proportional to square
voltage control
Constant-current con-
trol (proportional to
current)
Input signals
Analog input (continu-
from host
ous proportional)
Voltage ON/OFF input
(time-proportional)
External main setting
(using external vari-
able resistor)
Serial communica-
tions (RS-485)
Selecting automatic or manual for the
main setting
Duty settings
Internal setting
External setting
Functions
Displayed on 7-seg-
ment display
Level indicators (out-
put display)
Soft-start function
Long soft-start up/
down
Soft-start down func-
tion
Base-up function
Load current limit
Output upper/lower
limits
Total run time
exceeded detection
I/O functions
Event inputs
Alarm outputs
Serial communica-
tions (RS-485)
12
Simple
Advanced
models
EUN
EH
EHN
Single-phase
Alloy (nichrome)
100/110/200/220 VAC
---
1 to 20, 1 to 40, or 1 to 60 A
Supported Supported Supported Supported Supported Supported Supported Supported Supported
---
---
---
Supported Supported Supported Supported Supported Supported Supported Supported Supported
---
---
---
---
---
---
---
---
---
Supported
Supported
Supported
---
Switched by changing connections.
Supported Supported Supported Supported Supported Supported Supported Sup-
Supported Supported Supported Supported Supported Supported Supported Supported Supported
---
---
---
Supported Supported Supported Supported Supported Supported Supported ---
---
Supported ---
Supported ---
Supported Supported Supported Supported Supported
Sup-
Sup-
Sup-
*
*
*
ported
ported
ported
Supported ---
---
---
---
---
---
---
---
---
---
---
1 (alarm reset)
1
1
1
---
---
---
G3PX
Simple
Advanced
models
EC
DU
DH
3-phase
Pure
Alloy (nichrome)
metal
(Kanthal
Super)
200/220 VAC
1 to 20 or 1 to 60 A
---
---
---
---
---
---
---
---
---
Supported ---
---
---
---
---
---
---
---
Sup-
Sup-
Sup-
*
*
*
ported
ported
ported
---
Supported Supported ---
Supported ---
---
---
---
---
---
---
---
1
1
1
---
---
---
Section 2-1
G3PW
Standard
Constant-
current
DC
EU
EC
Single-phase
Pure
Alloy
Pure
metal
(nichrome)
metal
(Kanthal
(Kanthal
Super)
Super)
100 to 240 VAC
1 to 20, 1 to 45, or 1 to
60 A
---
Supported Supported
---
Supported Supported
---
Supported Supported
Supported ---
Supported
Supported Supported
Supported
Supported
(5 V/0 V
(5 V/0 V
input)
input)
Supported Supported
---
Supported
Event
Event
input, key
input, key
operation
operation,
communi-
cations
Sup-
ported
ported
(Keys)
(Keys or
communi-
cations)
---
Supported Supported
---
---
Supported Supported
Sup-
Supported Supported
*
ported
Supported Supported
Supported ---
Supported
---
Supported Supported
---
Supported Supported
2 (alarm reset) (auto-
matic/manual selection
or control method
selection)
1
2 (warning, caution)
---
---
Supported
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