CHAPTER 1: COMMUNICATIONS GUIDE
MODBUS MEMORY MAP
345 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
1–135
2
6 x 32
F97
unsigned 16 bits
Rear 485 Port Protocol
0
Modbus
1
IEC60870-5-103
2
DNP 3.0
F99
unsigned 16 bits
SR345 Relay Status
0
Not Ready
1
Ready
FC100
unsigned 16 bits
SNTP Mode
0
Disabled
1
Unicast
2
Anycast
3
Broadcast
FC101
unsigned 16 bits
RS 485 Baud Rate
0
9600_baud
1
19200_baud
2
38400_baud
3
57600_baud
4
115200_baud
FC102
unsigned 16 bits
RS 485 Parity
0
None
1
Odd
2
Even
FC103
unsigned 16 bits
Off / On Selection
0
Off
1
On
FC103A
unsigned 16 bits
No / Yes Selection
0
No
1
Yes
FC105
unsigned 16 bits
Differential CT Type
0
None
1
1A Secondary
2
5A Secondary
3
Direct Connect
FC107
unsigned 16 bits
Supply Frequency
0
60 Hz
1
50 Hz
FC123
unsigned 16 bits
Select DV Voltage
0
17V Threshold
1
33V Threshold
2
84V Threshold
3
166V Threshold
FC124A
unsigned 16 bits
Phase Rotation
0
ABC
1
ACB
FC125
unsigned 16 bits
Coil Monitor
0
Healthy
Code
Type
Definition