GE D90 Plus Communications Manual page 186

MODBUS MEMORY MAP
182
F198: Pilot scheme communication bits (16-bit enumeration)
Enumeration Value
0 1
1 2
2 4
F199: Disabled/enabled custom (16-bit enumeration)
This format code applies to pilot POTT and Pilot Directional Comparison Unblocking (DCUB).
Enumeration Value
0 Disabled
1 Enabled
2 Custom
F202: TEXT20 (20-character ASCII text)
10 registers, 16 bits, first character most significant bit (MSB), second character least
significant bit (LSB).
F203: TEXT16 (16-character ASCII text)
F204: TEXT80 (80-character ASCII text)
F205: TEXT12 (12-character ASCII text)
F206: TEXT6 (6-character ASCII text)
F209: TEXT65 (65-character ASCII text)
F211: Source Selection (16-bit enumeration)
This format code indicates signal source.
Enumeration Value
0 None
1 SRC 1
2 SRC 2
3 SRC 3
4 SRC 4
5 SRC 5
6 SRC 6
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – COMMUNICATIONS GUIDE
CHAPTER 2: MODBUS COMMUNICATION