7300A User Manual
6-7
Digital Communication
Bit Number
Configuration Status word for the XS parameter
State
0
‘1’
GRF fault (TLF and THSC)
1
‘1’
PLF and TLF fault channel 1
2
‘1’
PLF and TLF fault channel 2
3
‘1’
PLF and TLF fault channel 3
4
‘1’
PLF setting state (‘1’ : set )
5
‘1’
Current limitation using PA Active
6
Reserved
7
Reserved
8
‘1’
Supply fault (Phase missing or frequency fault)
9
‘1’
Unit disabled / Allowed by digital communication
10
‘1’
Thermic fault
11
‘1’
Short circuit thyristor fault
12
‘1’
Over Load fault
13
‘1’
Reserved Neutral failure in 4S configuration
14
Reserved
15
Reserved
eXtended Status Word (XS) :
Bit to bit alarm status
Bit Number
Configuration Status word for the SW parameter
0 à 3
Reserved. Product configuration
4
Limitation mode : ‘0’ : in Phase Angle
‘1’ : by conduction inhibition
5
000 : PA, 001 : FC1, 010 : FC16, 011 : C64,
6
100 : SCA, 101 : reserved,
7
110 : HC16, 111 : reserved
8
000 : U*U, 001 : U*U
I*I (PA only),
9
010 : I*I (PA only), 011 : U*I, 100 : U*I
I*I,
10
101 : reserved, 110 : Open Loop, 111 : reserved
11
Load type : Resistive or inductive
12
Load type for DLF detection
‘0’ : LCTL ‘1’ : SWIR
13
reserved
14
00 : star configuration (3S), 01 : Star with neutral (4S)
15
10 : Delta configuration (3D), 11 : Open Delta (6D)
Status Word (SW) :
Bit to bit status definition of the unit.
