GE Industrial Solutions ASTAT XT User Manual
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Appendix A - MODBUS RTU Protocol
A.8. Parameter Settings (4X References)
Parameter settings include all parameters that can be set manually. These parameters determine the modes of
operation of the ASTAT-XT. They also set protections level. All parameters are word (two bytes) parameters. The
protocol supports both reading and modifying of (most of) these parameters.
All of these parameters must be set with care. Inappropriate settings of some parameters can result in damage to
both the motor and the ASTAT-XT.
The parameters have the following 4x references:
Note: Use function 3 to read the parameter settings.
Parameter
#
Range
Default
Main Settings
Starter
Current
1 8..1400
58
(Amp.)
Motor
Current
2 4..4000
58
(Amp.)
Line/Delta Configuration
3
0 (Line), 1(Inside Delta)
0 (Line)
Undercurrent_FLT
4
0..90
0 (% of Im)
Undercurrent_DLY
5
1..40
10 (Seconds)
O/C
JAM
Fault
6 100..850 400
(%
of
Im)
O/C JAM Delay
7
0..50
5 (0.5 Sec.)
Overload_Class
8 0-iec
10,
1-iec
20,
0-iec
10
2-nema 10, 3-nema 20,
4-nema 30
Overload_Protect
9 0-Disable, 1-Enable after EOR
1-Enabled
2-Enable
Undervoltage_FLT
10
120..600 300
(Volt)
UnderVoltage_DLY
11
1..10
5 (Seconds)
Overvoltage_FLT 12
150..750 480
(Volt)
Overvoltage_DLY
13
1..10
2 (Seconds)
Reserved
14..24
Start Settings
Soft Start Curve
25
0..10 (5..9 are reserved)
0 (Standard).
Kickstart
Time
26
0..10
(Tenth
Seconds)
0
(No
Pulse)
Starting
Voltage/Current 27
10..80
30
(%
of
full
voltage)
Current
Limit
28
100..700 400
(%
of
Im)
Ramp UP Time
29
1..90
10 (Seconds)
Max.
Start
Time
30
1..60
30
(Seconds)
Number of Starts
31
1..10 & (11 = OFF)
10
Duty
Cycle
Time 32
1..60
30
(Minutes)
Start_Lockout
33
1..60
15 (Minutes)
EOR
Relay
Delay 34
0..40
5
(Seconds)
Reserved
35..40
Stop Settings
Soft Stop Curve
41
0..10 (5..9 are for reserved)
0 (Standard)
Ramp
DOWN
Time
42
1..30
10
(Seconds)
End
Torque
43
0..10
0
(Minimum)
Reserved
44..48
DUAL Settings
Starting VOLT-2
49
10..80 %, 100-400
30
Current
Limit-2
50
100..700 300
%
of
Im
Ramp
UP-2
51
1..90
10
(Seconds)
Ramp
DOWN-2
52
1..30
10
(Seconds)
Motor
Current-2 53
5..1400
31
(Amp.)
Reserved
54..56