Installation Checklist - Leviton A8911 Manual De Instalación Y Funcionamiento

2 INSTALLATION CHECKLIST

The following components are required for a complete A8911-23 I/O module installation:
• A8911-23 I/O module
• Modbus/RTU master device such as an AcquiSuite™ A8812 server
• Pulse output meter
• Power supply: 24VDC typical. (9VDC to 30VDC ok)
• Wire. Typically 18 to 24 gauge 3 for pulse meter connection.
• 2 wire, twisted pair with shield for Modbus/RS485 connection. (Belden 1120A or equivalent)
• Optional: Termination resistor (120 ohm) for long RS485 runs over 200ft.
Wire connected to pulse meters inside high voltage panels should have an insulation rating in excess of
1
the service voltage. Consult a licensed electrician and local building codes for further requirements that
may apply.
2
1