| Operating Voltage |
24V DC (18V–32V input range) |
24V DC (18V–32V input range) |
24V DC (18V–36V input range, with surge protection) |
| Working Temperature Range |
-40°C to +85°C (-40°F to 185°F) |
-40°C to +85°C (-40°F to 185°F) |
-45°C to +90°C (-49°F to 194°F) |
| Protection Rating |
IP67 |
IP67 |
IP6K9K (dust-tight and high-pressure water-resistant) |
| Processor Type |
32-bit automotive-grade MCU |
32-bit industrial-grade MCU (enhanced computing speed) |
64-bit heavy-duty MCU (multi-core for parallel processing) |
| I/O Port Configuration |
24 digital I/O, 10 analog input, 4 PWM output |
32 digital I/O, 16 analog input, 8 PWM output |
48 digital I/O, 24 analog input, 12 PWM output |
| Memory Capacity |
512KB program / 256KB data |
1MB program / 512KB data |
4MB program / 2MB data (for heavy-load logic storage) |
| Communication Protocol |
SAE J1939 CAN bus |
SAE J1939 CAN bus + Ethernet (for remote diagnostics) |
SAE J1939 CAN bus + Ethernet + satellite communication (for fleet monitoring) |
| Mounting Type |
Flange-mounted (C7/C9 engine bracket) |
Flange-mounted (C7/C9/C13 engine bracket) |
Heavy-duty bolt-mounted (C13/C15/C18 engine bay) |
| Net Weight |
Approx. 2.0 kg (4.4 lbs) |
Approx. 2.2 kg (4.85 lbs) |
Approx. 3.0 kg (6.6 lbs) |
| Diagnostic Tool Compatibility |
Caterpillar ET (Electronic Technician) |
Caterpillar ET + remote diagnostic portal |
Caterpillar ET + Cat Connect fleet management system |
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