Please subscribe to the ACO-status mailing list for future ACO operational advisories and alerts.

Sensor maintenance during the ACO-8 cruise (5/28-6/2/2021): the BSP-5 with CTD4 and CAM2 with lights were installed.

ALOHA Cabled Observatory Engineering Data
Click here for ALOHA Cabled Observatory Secondary Node 1 Engineering Data
Click here for Kilo Nalu Observatory Engineering Data

Circuit Breakers (Low Voltage)
Pressure :
Temperature :
Temperature Pressure :
Temperature CEN :
1.724
4.5
4.8
4
psi
°C
°C
°C
Date: February 18, 2026    09:12:48 UTC
Circuit Breakers (Low Voltage)
Temperature (CB1):
Temperature (CB2):
Temperature (CB3):
Temperature (CB4):
Temperature (CB5):
Temperature (CB6):
9.8
8.3
9.1
9
9.9
9.6
°C
°C
°C
°C
°C
°C
Date: February 18, 2026    09:12:48 UTC

 

 

Circuit Breakers (High Voltage). DCDC Converters
Temperature (PI3) :
Temperature (PI4) :
Temperature (DC3) :
Temperature (DC4) :
Temperature 2 :
9.7
9
8.3
7.7
6.9
°C
°C
°C
°C
°C
Date: February 18, 2026    09:12:48 UTC

 

Voltage of the Stacks
Voltage (DC0) :
Voltage (DC1) :
Voltage (DC2) :
Voltage (DC3) :
Voltage (DC4) :
Voltage (DC5) :
Voltage (DC6) :
Voltage (DC7) :
105
0
0
101.7
0
0
102
0
V
V
V
V
V
V
V
V
Date: Feb 18, 2026    9:12:48 UTC
A, B bus Currents
Current A bus :
Current B bus :
Current A Regulator :
Current B Regulator :
Voltage Sensor :
Voltage Seawater return :
Line Current :
Voltage Reference :
0.93
2.825
2.425
3.05
0.087
-2.31
1.637
2.473
A
A
A
A
V
V
A
V
Date: Feb 18, 2026    9:12:48 UTC

 

A, B bus Voltages
Voltage A bus :
Voltage B bus :
Voltage Reference :
48.642
49.147
2.471
V
V
V
Date: Feb 18, 2026    9:12:48 UTC

 

ACDC Converter Temperatures
Temperature (DC0) :
Temperature (DC1) :
Temperature (DC2) :
Temperature (DC3) :
Temperature (DC4) :
Temperature (DC5) :
Temperature (DC6) :
Temperature (DC7) :
49
23.3
22.4
47.1
19.4
23.1
48.7
21.8
°C
°C
°C
°C
°C
°C
°C
°C
Date: Feb 18, 2026    9:12:48 UTC

 

JBox Engineering Data
Temperature Pressure 1 :
Temperature Pressure 2 :
Temperature :
Temperature Regenerator :
Pressure :
Voltage (12) :
Voltage (48) :
Voltage reference :
8.4
7.7
9.7
6.6
2.9
12
47.8
2.497
°C
°C
°C
°C
psi
V
V
V
Date: Feb 18, 2026    9:12:12 UTC
Temperature
Temperature 1 :
Temperature 2 :
Temperature 3 :
Temperature 4 :
12.734467
12.918666
15.368277
8.796152
°C
°C
°C
°C
Date: February 18, 2026    09:07:29 UTC
Pressure, Current, Voltage
Pressure:
Center +48 V dc:
+48 V dc :
Ground Fault Offset:
Voltage Reference:
1.717881
24.048
48.168
-0.072
2.4885
PSI
V
V
V
V
Date: February 18, 2026    09:07:29 UTC

 

 

Ports E1, E2
Date: February 18, 2026    08:24:24 UTC
Ports E5, E6
Date:February 18, 2026    08:24:24 UTC

 

 

Ports E7, E8
Date: February 18, 2026    08:24:24 UTC

 

Ports E1, E2
Date: February 18, 2026    08:24:24 UTC
Ports E5, E6
Date: February 18, 2026    08:24:24 UTC

 

 

Ports E7, E8
Date: February 18, 2026    08:24:24 UTC

 

Ports E1, E2
Date: February 18, 2026    08:24:24 UTC
Ports E5, E6
Date:February 18, 2026    08:24:24 UTC

 

 

Ports E7, E8
Date: February 18, 2026    08:24:24 UTC

 

Spellman Power Supply Unit 1
Date: February 18, 2026    08:24:24 UTC
Spellman Status Unit 1
Date:February 18, 2026    08:24:24 UTC

 

 

Spellman Status Unit 2
Date: February 18, 2026    08:24:24 UTC