Standard CMU Features
- Utilize the AMCi CTM Cellular Terminal Module
- 3 General purpose digital inputs/outputs with relay option
- 1 analog input (can be DI), with 4 alarm thresholds
- 12-32 VDC power input or self-contained 12V or 24V solar
- Internal Cell/GPS antenna with external antenna option
- Internally configurable Modbus-RTU Master
- Over the air configurable, up to 32 Modbus commands
- Registers read locally and tested for alarm conditions
- Up to 2 independent alarm thresholds per test register
- On-demand polling
- Extended temperature range battery
- Fiberglass NEMA-4X enclosure, lockable
- Cord grips and mounting hardware included
- Power Supply Options:
- Site-powered with optional battery backup
- Solar-charged internal lead-acid battery, 12 or 24V
- Built in GPS receiver and antenna
- Supports Modbus first-fault applications
Power
- External Power - 12-32VDC
- Power Budget - Avg. 30mA @ 12 VDC (excluding sensor load, if any)
GPS
- Acquisition - Cold: <40seconds, Warm: <16 seconds
- Accuracy - 11 meters RMS
- Configurability - Schedule-driven reporting
Certifications/Compliance
- Cellular - PTCRB and AT&T approved, Quad Band GSM/GPRS
External Interfaces
- Serial - 1 RS-232 / RS85, Modbus-RTU
- Analog Inputs - 1, 11 bits (0-3VDC, 0-5VDC, 4-20mA), Loop power switchable, separate DC input
- Digital I/O - 3 (selectable as input or output)
- Optional relay output
- Modbus-RTU Serial Port
- Baud Rate Selectable 2400-115.2k
Programming Capabilities
- Applications - First fault, I/O, custom Modbus
- Alarming - Report by exception for I/O and Modbus
- Diagnostics
- Programming and diagnostics serial port with continuous status output
