CHAPTER 2: MODBUS COMMUNICATION
MEMORY MAP
UR FAMILY – COMMUNICATIONS GUIDE
2-65
2
"
4518
...Repeated for VT Bank 4
"
4520
...Repeated for VT Bank 5
"
4528
...Repeated for VT Bank 6
Source Settings (Read/Write Setting) (2, 4, or 6 Modules)
All except B90,
C30
4580
Source 1 Name
0 to 1
---
1
F637
“SRC 1"
"
458A
Source 1 Phase CT
0 to 63
---
1
F400
0
"
458B
Source 1 Ground CT
0 to 63
---
1
F400
0
"
458C
Source 1 Phase VT
0 to 63
---
1
F400
0
"
458D
Source 1 Auxiliary VT
0 to 63
---
1
F400
0
"
458E
...Repeated for Source 2
B30, C60, C70,
D60, F35, F60,
G30, G60, L60,
L90, M60, N60,
T35, T60
459C
...Repeated for Source 3
"
45AA
...Repeated for Source 4
B30, C70, F35,
N60, T35, T60
45B8
...Repeated for Source 5
"
45C6
...Repeated for Source 6
Power System (Read/Write Setting)
All except B90,
C30
4600
Nominal Frequency
25 to 60
Hz
1
F001
60
"
4601
Phase Rotation
0 to 1
---
1
F106
0 (ABC)
"
4602
Frequency and Phase Reference
0 to 5
---
1
F167
0 (SRC 1)
"
4603
Frequency Tracking Function
0 to 1
---
1
F102
1 (Enabled)
Change Phase Rotation (Read/Write Setting)
G30, G60
4604
Change Phase Rotation
0 to 4294967295
---
1
F300
0
87L Power System In-Zone Transformer (Read/Write Setting)
L30, L90
4606
In-Zone Transformer Connection
0 to 12
---
1
F560
0 (None)
"
4607
87L In-Zone Transformer Location
0 to 2
---
1
F562
0 (Local-Tap)
Power System (Read/Write Setting)
L90
4610
Number of Terminals
2 to 3
---
1
F001
2
"
4611
Number of Channels
1 to 2
---
1
F001
1
"
4612
Charging Current Compensation
0 to 1
---
1
F102
0 (Disabled)
"
4613
Positive Sequence Reactance
0.1 to 65.535
kohms
0.001 F001
100
"
4614
Zero Sequence Reactance
0.1 to 65.535
kohms
0.001 F001
100
"
4615
Zero Sequence Current Removal
0 to 1
---
1
F102
0 (Disabled)
"
4616
Local Relay ID
0 to 255
---
1
F001
0
"
4617
Terminal 1 ID
0 to 255
---
1
F001
0
"
4618
Terminal 2 ID
0 to 255
---
1
F001
0
"
4619
Channel Asymmetry Compensation
0 to 4294967295
---
1
F300
0
"
461B
Block GPS Time Reference
0 to 4294967295
---
1
F300
0
"
461D
Maximum Channel Asymmetry
0 to 10
ms
0.1
F001
15
"
461F
Round Trip Time
0 to 10
ms
0.1
F001
15
B90 Power System (Read/Write Setting)
B90
4627
Terminal Nominal Frequency
25 to 60
Hz
1
F001
60
"
4628
Terminal Reference
0 to 23
---
1
F400
0
"
462F
Terminal Frequency Tracking Function
0 to 1
---
1
F102
1 (Enabled)
Products
Address Register name
Range
Units
Step
Format
Default