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9.2 MEMORY MAPPING
Table 9–2: MODBUS MEMORY MAP (Sheet 5 of 5)
GROUP
ADDR
(hex)
DC SYSTEM
1140
1141
1142
1143
1144
1145
1146
↓
114F
PF
1150
REGULATION
1151
1152
1153
1154
1155
↓
115F
*
Range for collector-ring motors.
** Range for brushless motors.
1. The access password must be written correctly before any setpoints can be written via Modbus. The password is initially the same as the default password,
but the two passwords are stored separately, so the keyboard can not be used to change the communications password and vice-versa.
2. The allowable range of FLA is as follows: the minimum full load amps value is 2/5 times the CT ratio; the maximum is equal to the CT ratio.
3. The locked rotor current is range dependent on the FLA setpoint: the minimum is twice the full load amps and the maximum value is 12 times the FLA.
4. REGULATOR OUTPUT must be greater than or equal to FLOOR VOLTS, likewise FLOOR VOLTS must be less than or equal to REGULATOR OUTPUT.
9
9-
6
Courtesy of store.ips.us
DESCRIPTION
DC CT PRIMARY
HIGH (EXCITER) FIELD
(max+1 = OFF)
(EXCITER) FIELD AMPS
(zero = OFF)
(EXCITER) FIELD VOLTS (zero = OFF)
(EXCITER) FIELD AMPS DELAY
(EXCITER) FIELD VOLTS DELAY
Reserved
↓
Reserved
PF REGULATION LEVEL (max+1 = OFF) –0.90 to 1.00 / OFF
REGULATOR GAIN
STABILITY
REGULATOR OUTPUT
FLOOR VOLTS
Reserved
↓
Reserved
SPM Synchronous Motor Protection and Control
9 MODBUS COMMUNICATIONS
RANGE
STEP
VALUE
5 to 1000
1
0.20 to 450.00
0.01,
or OFF
0.10, 1.00
0.1 to 1000.0
0.1 if <10A
or OFF
1.0 if ≥10A
1 to 200 or OFF
1
0.3 to 5.0
0.1
0.3 to 5.0
0.1
↓
↓
0.01
1 to 100
1
1 to 60
1
4
0 to 10
1
4
0.0 to 10.0
0.1
↓
↓
UNITS
FORMAT
FACTORY
CODE
DEFAULT
A
U16
5
2decU16
0
Ω
A
1decU16
0
V
U16
0
s
1decS16
0.3
s
1decS16
0.3
↓
↓
↓
-
2decS16
111
-
U16
1
-
U16
1
V
U16
1
V
1decU16
0
↓
↓
↓
GE Multilin
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