GE Hydran 201i Instruction Manual page 260

J.5.3 Address Mapping for the String registers
Modbus
Register Description
Register
20481 Device type and identifier
21889 H201Ti Serial Number
The Device type and identifier string (first string in the Table J-18 above) consists of the
following semicolon-separated fields:
• Firmware product code and revision;
• PowerStation ID (decimal) – see chapter 5.5.6.6;
• Hydran 201Ti ID (decimal) – see chapter 5.5.6.6;
• One or more reserved fields.
The H201Ti Serial Number string (second in the Table J-18 above) contains the Hydran
201Ti serial number that is defined during factory configuration.
J.5.4 Used formats
Format
Unix Time
F1001
F1002
F1003
StringWithLen
Page 260
Table J - 18: Hydran 201 Ti String registries map
Description
Time in seconds since
January 1st, 1970
Relay Status (binary)
Alarm_Active (binary)
Alarm_Pending
(binary)
String with explicit
length field
Table I - 19: Hydran 201 Ti – used Formats
Hydran* 201i Instruction Manual
Range Default
- " "
- " "
Value
--
0
1
0
1
0
1
-- Byte 0: string length (N)
-- Bytes 1..N: string characters
Bytes N+1 and above: optional
--
Format
StringWithLen
StringWithLen
State
--
Off
Energized
Off
Alarm
Aknowledged
Pending
NUL (0) bytes
MA-033 Rev. 14.0, 12-Nov-18