Rs-485 Transmission Line Termination; Plc Interface Modules; Analog Output Connections - Mettler Toledo IND780 Guia De Instalacion

2.7.9.2.

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.
2.8.

PLC Interface Modules

2.8.1.

Analog Output Connections

64057253 | 14 | 08/2014
Pin Signal
8 +5V +5V out, 0.5 A max.
9 +12V +12V out, 0.5 A max.
10 GND
Figure 2-87: Connector Terminations for Serial Option Board
IF THIS DEVICE IS USED IN AN AUTOMATIC OR MANUAL FILLING CYCLE, ALL USERS MUST
PROVIDE A HARD-WIRED EMERGENCY STOP CIRCUIT OUTSIDE THE DEVICE. FAILURE TO
OBSERVE THIS PRECAUTION COULD RESULT IN BODILY INJURY.
DISCONNECT ALL POWER TO THIS UNIT BEFORE SERVICING. DO NOT APPLY POWER TO THE
TERMINAL UNTIL INSTALLATION OF COMPONENTS AND EXTERNAL WIRING HAVE BEEN
COMPLETED.
Function
Ground
WARNING
WARNING
METTLER TOLEDO IND780 Installation Guide
Notes
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