
6
MessengerBLE
User Guide
Introduction
This User’s Manual describes installation and setup of the Messenger-BLE product.
Throughout this document, Messenger-BLE and Messenger are used interchangeably.
The Messenger is a complete monitoring, alarm notification, and telemetry platform.
The intended markets include (but not limited to) water/wastewater utility, off-road
heavy construction equipment, on-road semi-trucks, oil and gas, and standby power
generators. It supports monitoring of data values from on-board physical IO, the J1939
SAE engine bus topology, the industry standard Modbus RTU serial protocol, and
support of custom serial communications to external devices.
Features
The hardware feature set of this platform includes:
ARM 32-bit Cortex -M4 Core w/FPU
2 MB of on-board FLASH memory, 8MB of external FLASH
640kB of on-board SRAM memory, 512kB of external battery-backed SRAM
Real Time Clock (battery-backed)
2 Serial Ports (RS485 only)
4 Digital Inputs (user configurable for voltage or grounded input)
3 Digital Outputs (open-collector transistor closures to ground)
3 Analog Inputs (12-bit, user configurable for V or I input)
1 CAN Interface, compliant to Bosch CAN Protocol v2.0 A/B
Cellular modem, HSPA (3G) or LTE (4G)
GPS receiver, providing location services using multiple GNSS constellations
3-axis Accelerometer
SuperCap for brown-out protection
Separate Bluetooth engine for wireless connection to hand-held devices
Deutsch EEC automotive grade enclosure