Output Voltage Detection - Tripp Lite SU60KX Manual

2 Theory of Operation (continued)

2.6 Output Voltage Detection

Located at NH-SYS-P board (Auxiliary Power for System, Detect Circuit for Voltage and Current)
CNP9
Located at NH-SYS-M board (System MCU and Control Circuit)
RM 29
VoutR
RM 32
(a) MCU detects RMS value of 3-phase output voltage via Vout_R (95), Vout_S (97) and Vout_T (99).
RP127
OP/R
RP131
OP/N
OP/R
1
2
3 OP/S
4
5 OP/T
6
7
RP143
OP/N
OP/S
RP152
OP/T
5VS
DM 4
VoutS
3
Vout_R
(95)
G1
RP128 RP129
6
RP132 RP133
5
RP134
CP72
G1
RP144 RP145
9
10
RP153 RP154
13
12
5VS
RM 45
DM 8
3
Vout_S
RM 46
(97)
G1
54
CP73
RP123
UP17B
7
VoutR
CP76
RP139
UP17C
8
VoutS
CP77
RP149
UP17D
14
VoutT
5VS
RM 59
DM 14
VoutT
RM 60
3
Vout_T
(99)
G1