AgentCP Monitoring Unit

Measurement Functions

Multi-channel analog acquisition for CP voltage and current inputs with high-resolution measurement capability and edge-based processing.

Communications

Integrated LTE communications with Bluetooth access for commissioning, local service access, and offline recovery workflows.

Control Features

Supports synchronised interruption, scheduled surveys, local alarm processing, and remote operational updates.

Power & Deployment

Integrated rechargeable battery support with flexible external power options for fixed, remote, and retrofit installations.

Communications

• Cellular: LTE-M Cat-M1 and NB-IoT Cat-NB1 / Cat-NB2, 3GPP Release 14
• Certified LTE bands: 1-5, 8, 12, 13, 17-20, 25, 26, 28, 65, 66, 85
• Cat-M1 hardware bands: B1, B2, B3, B4, B5, B8, B12, B13, B18, B19, B20, B25, B26, B28, B66, B85
• NB-IoT hardware bands: B1, B2, B3, B4, B5, B8, B12, B13, B17, B19, B20, B25, B26, B28, B65, B66, B85
• Bluetooth LE
• SIM support: physical SIM and eSIM via ETSI TS 102 221 compatible UICC interface
• eSIM standards: SGP.02, SGP.22, and SGP.32
• Integrated SIM options: nuSIM and Onomondo SoftSIM

Power Supply

• Battery: 2x LiFePO4 18650 cells
• DC input: 12 V nominal, 15 VDC max
• Built-in LiFePO4 battery charger with configurable fast-charge current up to 1 A
• Power-path management for simultaneous system power and battery charging
• Battery temperature monitoring with configurable charging thresholds
• Integrated charger protection: input overvoltage, input current limit, battery short, battery overcurrent, thermal regulation, and thermal shutdown
• Precision battery fuel gauge with state-of-charge, state-of-health, voltage, current, and temperature reporting
• Fuel gauge supports LiFePO4 battery profiles, high-accuracy coulomb counting, lifetime diagnostics, and low-power sleep modes

Inputs

• +/- 10 VDC and AC, 24-bit
• +/- 10 V / +/- 100 V and AC, 24-bit
• +/- 100 mV, 24-bit
• Potential measurement accuracy aligned with digital CP measurement practice: +/- 1% of reading or better
• OFF-potential measurement support aligned with ISO 15589-1 measurement guidance: better than 2.5% measurement accuracy
• High-impedance potential measurement front end: 10 Mohm minimum for structure-to-electrolyte and reference electrode measurements
• mV-scale input range for polarization shift, reference electrode, shunt, and coupon measurements
• ON/OFF potential capture for IR-drop-aware interpretation and synchronized interruption workflows
• GPS timing with optional GPS unit

Certifications

• RoHS: designed around RoHS-compliant materials and module declarations
• FCC: cellular module support includes FCC grants for LTE-M / NB-IoT
• CE / UKCA: cellular module support includes European and United Kingdom declarations / certificates
• RCM: cellular module support includes ACMA Australia certification
• ISED: cellular module support includes Canadian LTE-M / NB-IoT certification
• GCF / PTCRB: cellular module support for global LTE-M and NB-IoT network compatibility
• EMC / RFI: product-level design includes filtered, protected, and shield-aware interfaces for radio-frequency interference control
• Antenna compliance: final approval depends on approved antenna selection, gain, installation, and regional radio requirements
• Final product certification to be completed for the finished AgentG4CP configuration and target markets

Mechanicals

• Dimensions: Refer to AgentCP technical drawing
• Housing material: ASA UV Stabilised Polymer
• Weight: To be confirmed
• IP rating: IP65, to be confirmed

Memory

• To be confirmed

Outputs

• Interrupt switch
• External relay drive max voltage: 24 V
• External relay drive max current: 2 A

Timing Accuracy

• With GPS: +/- 35 ns 1PPS accuracy in continuous GNSS tracking
• Standalone: To be confirmed

Environmental

• Operational temperature: To be confirmed
• Storage and shipping temperature: To be confirmed
• Operational humidity: 5% to 95% RH, non-condensing
• Storage humidity: 5% to 95% RH, non-condensing

Connections

• Antenna: SMA female connector
• Measurement: accessed via cradle
• Power supply: accessed via cradle

Mounting Options

• Surface
• 80 mm pipe
• DIN rail

External Power Protection

• Resettable input overcurrent protection on the external power path
• 18 V transient voltage suppressor on the charger input path for surge and load-dump style events
• Series Schottky input diode for input polarity and backfeed protection
• Input filtering and local capacitance at the charger input entry point
• External regulator enable input uses a fail-safe default-off topology for exposed control wiring

CP Measurement Input Protection

• 75 V, 2 kA gas discharge tube surge protection on each +/- 10 V CP input channel
• Bidirectional precision surge clamps on the +/- 10 V analog input paths
• Series inductors and RC filtering ahead of sensitive analog measurement circuitry
• Low-leakage diode clamp arrays mounted near the input entry point
• Solid-state input switching provides channel isolation when inputs are disabled
• Reinforced isolation is used on the +/- 100 mV shunt input measurement path

Connector & Interface Protection

• Multi-line TVS protection on the main cradle pogo connector interfaces
• Series resistors on exposed UART, JTAG, modem programming, and cradle interface lines
• ESD protection on switched 3.3 V cradle, digital, analog, modem, and 100 mV supply domains
• Connector-side filtering supports stable operation across pogo and service interfaces

RF & System Protection

• ESD protection on GPS antenna feed paths
• RF connection via female SMA antenna connector with filtering and impedance-matching components on antenna interfaces
• Battery pack NTC input supports temperature-aware charging behaviour
• Battery charger includes input overvoltage, input current limit, battery short, battery overcurrent, thermal regulation, and thermal shutdown protection
• Dedicated watchdog and reset supervision supports controlled recovery from system fault states