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Eaton Cellwatch battery monitoring

Eaton Cellwatch is an automated battery monitoring system where power and system availability are critical to successful business operations. Cellwatch protects you daily, delivering prompt notifications of your vulnerabilities—giving you peace of mind, ensuring business continuity and safeguarding company assets. Cellwatch often detects failures months before a battery would become an operation risk.

Prevent unplanned outages

• Quickly identify and isolate battery issues well before a failure occurs
• Get an unprecedented view into the daily health and current status of your batteries with easy-to-use data

Daily battery monitoring increases system reliability

Cellwatch is delivers prompt notifications of your vulnerabilities—giving you peace of mind, ensuring business continuity and safeguarding company assets.

Cellwatch saves you money

• Reducing preventive maintenance costs along with increasing safety
• Extending the life of the batteries by knowing exactly when a battery needs to be replaced

Cellwatch helped Children's of Alabama by providing daily battery monitoring and the highest level of power protection

More Eaton solutions

Specifications

Technical specification

Cellwatch is a state-of-the-art battery monitoring system designed specifically for large (three-phase) UPSs. It utilizes the latest fiber optic technology to provide rapid, noise-free transmission of information on battery health. The modular system continuously monitors the entire battery system, including string and cell level voltage; ohmic value; current; and temperature throughout the charge, discharge and float periods.

Control Unit (CU) / Thermal Runaway Controller (TRC)

Operating specifications

Operating temperature
0–50°C (32–122°F)
Storage temperature
-10–80°C (15–175°F)
Power supply
110–240 VAC
Power supply frequency
50–60 Hz
Power supply rating
Max. 20 Watts

Communications

RS-485 interface
With optional jumper for termination
Max. range
2,000 ft (619m) total bus length
Fiber optic range
150 ft (50m) CU to DCM, DCM to DCM
Max. CUs / TRCs per RS-485 bus
31

Battery Monitoring Unit (iBMU)

Computer characteristics

Operating system 
Microsoft Windows 10 IoT Enterprise LTSB 2016 or Microsoft Windows 7 embedded
Software
Cellwatch applications ModbusT TCP / IP SNMP v1
Hard drive
30 GB solid state
Operating temperature 
0–40°C (32–104°F)

Physical characteristics

Dimensions (H x W x D)
3.5 (2U) x 19 x 12 in (88.9 x 482.6 x 304.8 mm)
Enclosure material 
Steel with powder coating
Color
Black
Mounting
19 in (482.6 mm) rack with optional wall mount kit

Data collection module 5

Voltage measuring characteristics

Voltage measuring range
0–80V
Resolution
2 mV
Accuracy
0.1% ±5 mV

Physical characteristics

Dimensions (H x W x D)
3.1 x 4.2 x 0.90 in (78.7 x 106.7 x 22.9 mm)
Mounting pads (mounting plates and din rail mounting optional)
2 in (50.8 mm) 3M dual lock
Enclosure material
Flame retardant ABS
Color
Black

Generator extender kit

Specifications

Operating voltage
12V
Operating temperature
0–50°C (32–120°F)
Storage temperature
0–80°C (32–176°F)
Communications
Proprietary over CAT5 cable
Max. range
4,000 ft (1219m)
Fiber optic range
150 ft (50m) remote to DCM, DCM to remote

Dimensions (H x W x D)

Remote
2.63 x 4.50 x 1 in (65 x 110 x 26 mm)
Master
Integrated into CU and TRC

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