Yokogawa DA100 Manuel d'utilisateur Page 21

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IM DA100-11E
3-2
3.2 Specifications
Electrical & mechanical specs : Conform to the EIA RS-422-A and EIA RS-485 Standard
Connection format : Multi-drop 1:n (n=16 for RS-422-A, n=31 for RS-485)
Communication format : Half duplex
Synchronizing format : Start-stop asynchronous transmission (synchronized by start/stop
bit)
Baud rate (bps) : 300, 600, 1200, 2400, 4800, 9600,19200, or 38400 (selectable)
START bit : 1 bit (fixed)
Data length : Either 7 or 8 bits (selectable)
Parity : Even, Odd, or None (selectable)
STOP bit : Either 1 or 2 bits (selectable)
Connector : 6 point screw type terminal (uses M4 screws)
Minimum response time : 0, 10, 20, 50, or 100 ms (selectable)
Reception buffer length : 250 bytes
Escape sequence : Trigger, Status call, Open and Close
Electrical characteristics : SDA, SDB, RDA, RDB, SG. Between the signal terminal and
the main internal circuit is insulated functionally.
Communication distance : 1.2 km maximum
Terminator : Internal resistor (120 ohm, 1W) switch with the slide switch
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