3 interface specifications, 3 interface specifications -19 – Proface AGP3500 - 10.4 DIO HMI" User Manual
Page 84
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Chapter 4 Specifications
4-19
4.2.3
Interface Specifications
This section describes the specifications of each interface of the GP Series unit.
• For instructions on how to connect to other devices, always refer to the “GP-Pro EX
Device/PLC Connection Manual”.
• Always connect the #5 SG (Signal Ground) of the GP unit to the connected device,
especially if the connected device is also not isolated. Failure to do so may damage
the RS232C/RS422/RS485 circuit.
• When connecting an external device to the GP using the SG terminal, be sure to
check that no short-circuit loop is created when you setup the system.
•
When isolation is necessary, you can use the RS232C isolation unit (CA3-ISO232-01) on
COM1.
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