16375 v9.0 Oct 12
COMMUNICATIONS & NETWORKING
For detailed information, refer to Chapter 5 of the Hydran M2 Instruction
Manual.
Forming a Local Network of Hydran M2s
Figure 37: Network Overview (Daisy Chaining of Hydran M2s)
CAUTION: The LEDs used for the fiber optic transmitter are classified
as IEC 60825-1 Accessible Emission Limit (AEL) Class 1. Class 1
devices are considered eye safe to the naked eye. Do not view
directly with optical instruments.
Figure 38: Local Communications with a Laptop Computer (for service only)
To host computer
with Hydran M2
Host via either:
• Ethernet (wire
or fiber optic)
• Modem
interface.
• Or RS-485 link
to Hydran 201Ci
controller
Maximum number of Hydran M2s: 32
Maximum total length of cables: 1,200 m (4,000 ft)
DB-9
connector
RS-232 Link
Laptop computer:
− Fixed baud rate
− 8 data bits
− No parity
− 1 stop bit
−
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