Sentry battery monitors for 48V system with 12V batteries

Sentry series compact battery monitors combine superior data quality and flexible installation to address cell site applications. Compatible with Battery Analyzer software and MyBattery Platform™, Sentry monitors can be utilized for virtually every remote telecom application.

Sentry-S6 is specifically designed for -48V system with 12V blocks which is popular in cell sites. It provides RS232 and RS485 ports for integration.

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• Onboard Battery State of Health (SOH and SOC) analysis.

• Reliable Remaining Runtime prediction.

• Compatible with MyBattery Platform™ for large scale deployment

• Easy integration to existing site management software

• Sentry-S6 provides onboard Ethernet for MyBattery Platform implementation.
• Internal Resistance / Conductance online measurement for each block
• Site configurable for 1 to 6 strings
• Ethernet and Wireless M2M compatible, instant drop-in with no field configuration
• Battery Analyzer and MyBattery Platform compatible
• Affordable for large scale deployment

Key Features

Model	Sentry-S6
Battery System	Optimized for telecom 48V system with 12V batteries    4x12V, up to 6 strings (For 1 or 2 strings, please select Sentry-S2 or Sentry-NB8)
Power Supply	Powered by battery bank BUS, not by individual battery
String Voltage	Continuous monitoring with High/Low float charge voltage threshold and discharge Low setting
Current	Compatible with closed core and split core CT for easy installation to multiple battery cables
Ambient/Pilot temperature	2 sensors (1 for ambient and 1 for pilot, or 2 locations for a battery bank)
Individual battery voltage	Flexible interval to report data, high/low threshold for floating and discharge
Internal Resistance	Wavelet technology to achieve unsurpassed IR precision.
Enclosure	Compact aluminum, mounts on battery rack or on top on battery bank
Harness and installation	Simplified wiring design for easy installation    Pre-made/customized harness for quick installation enables large scale deployment Portable touch screen for onsite validation
Battery discharge capture	High resolution capture, no limit to time lapse, no limit to onboard memory size. Online access to discharge curve for every battery (with MyBattery Platform™)
Generator Monitoring	Optional analog port for fuel monitoring Optional digital ports for generator status
Network	Instant drop-in, no field configuration.    Ethernet compatible with static and dynamic IP. Optional wireless GSM/CDMA, M2M technology Certified with PTCRB, AT&T, T-Mobile, Sprint, Verizon, Jasper and Rogers network
MyBattery Platform™ capacity	Cloud based parallel computing    No limit, validated with >10,000 sites
Integration	Standard Modbus RTU and Modbus TCP protocols. Software provides SNMP integration and SMS, email alarm delivery.

Specifications

Battery System	48V battery system (36 ~ 60V range)    4x12V per string, up to 6 strings in one DC system
Power Supply	Internal power converter. Maximum Consumption: 6W
Isolation	[email protected] to battery string
Current Sensor	Support  LEM current sensor with internal +/-12V power supply    CT options: CT-Y5-300, split core, 300A, window size 16mmx64mm CT-HTA-300, close core, 300A, window size D-32mm
Accuracy	0.1% + sensor accuracy
Temperature Sensors	1 ambient temperature sensor, 1 pilot temperature sensor
Temperature Range	Measurement range: -40 to 65ºC, 1 ºC accuracy
Bus Voltage	Range: 0 – 30V; Accuracy: 0.1%
Input Range to Each Channel	+/- 16V for 12V batteries
Accuracy	0.1%
Internal Resistance/Conductance	0 to 30mΩ, 0.01 mΩ resolution
1-wire mode	Total value of Internal Resistance + Connection Resistance.
Serial Port	Isolated RS-232C and RS-485 interface
Protocol and Serial Settings	MODBUS RTU, 9600-8-1-None
Modbus address	1 to 28, configurable with HMI
Ethernet	Onboard Ethernet LAN connection to Battery Analyzer or MyBattery Platform SNMP, Modbus TCP, email/SMS message, hyperlink to real-time data
Wireless Option	GSM/GPRS (PTCRB, AT&T, T-Mobile, Jasper, and Rogers Network certified)
LED indication	Dual-color LEDs for status Orange LED for service alarm Red LED for urgent alarm
Alarm Outputs	Service Alarm (Normal Close, Voltage-free, 60V 0.1A capacity)    Urgent Alarm (Normal Close, Voltage-free, 60V 0.1A capacity)
Dimension	165W*31H*165L(mm) (Mounting bracket excluded)
Mounting	Magnetic cup (default), DIN rail or customized bracket

*Specifications subject to change without notice

MyBattery Platform subscription is optional. Contact us for subscription fee.

Sentry-S6 Datasheet (pdf)