Wiring Connections For Options - Mettler Toledo IND560 Guia De Instalacion

IND560 Installation Manual
Some examples of connecting external equipment are shown in Figure 2-24.
RS-485 Transmission Line Termination
The RS-485 network should include a terminating resistor, installed between the
two lines at or on the last node. The terminating resistor should match the
characteristic impedance of the transmission line, approximately 120 ohms. This
terminating resistor is required when connecting ARM100 modules to the port.

Wiring Connections for Options

Options available for the IND560 terminal that require external connections include
the following:
•
Analog Output
•
Ethernet TCP/IP with Serial Ports (COM2 and COM3)
• Ethernet TCP/IP, USB with Serial Port (COM3)
• Discrete I/O (Relay)
• DeviceNet
2-16
Figure 2-23: COM1 Port Signals
Figure 2-24: Sample COM1 Connections