• Processor ARM 7, field upgradable firmware
• 23 input status LEDs (red), 2 Modbus TX/RX (yellow), 1 power/alive status (green)
• Protocols Modbus/RTU
• Power Supply 9 VDC to 30 VDC, 200mA (not included)
• Serial Port RS-485 Modbus, 19200 or 9600 baud. N81
• Pulse Inputs 23 independent pulse count inputs; 32-bit pulse counter; rolls over 4.295 billion per channel

Minimum Pulse Width:

• 10Hz Mode 50 msec
• 50Hz Mode 10 msec
• 100Hz Mode 5 msec
• Contact Closure Threshold 100Ω to 2.5kΩ (user selectable)
• Isolation pulse inputs, power inputs and RS-485 are non-isolated

Operating Environment:

• North America Indoor, 0° to 50°C (32° to 122°F), 0-95% RH non-condensing
• Europe Indoor, 5° to 40°C (41° to 104°F), 0-90% RH non-condensing