5.2.3.2 Configuring the Laptop Computer and Perception software
1. In Microsoft Windows, set the serial port to which the RS-232 cable is
connected to the following values:
• Fixed baud rate (must be identical to the value of the Setup > Comm
Setup > DB9 Baud Rate Hydran M2-X parameter)
• data bits
• No parity
• 1 stop bit
• No flow control
Note: In Windows for example, proceed as follows to access the serial port
settings: log on as administrator, click Start, point to Settings, click Control
Panel, double-click System, click the Hardware tab, click Device Manager and
click Ports (COM & LPT).
2. Launch the Perception software.
3. In Perception under the properties tab, configure the communication
parameters.
5.2.3.3 Verifying the RS-232 Communications
Proceed as follows:
1. Using the Perception software, verify that communication is established with
the Hydran M2-X. If communication cannot be established, ensure that the
Hydran M2-X is connected to the appropriate serial port on the laptop
computer and that it has the proper ID and baud rate. Confirm good
communications in the Relays/Analog window of the Perception software,
change the Relay Mode of each relay from Force Off to Force On and back;
this should toggle the state of the Hydran M2-X’s alarm relays.
2. After the test, in the Hydran M2-X Host software, set the Relay Mode of all
relays back to Normal.
5.2.4 Installing a Hydran 201i Controller
1. Install a Hydran 201Ci Controller (preferably a Hydran 201Ci-C or a Hydran
201Ci-1) equipped with an internal modem (optional; available from General
Electric). For details on how to install a Hydran 201Ci Controller, see the
Hydran 201i System Instruction Manual.
Note: Electrical noise is one of the most important factors when selecting the
location and installing a modem. Ideally, the Hydran 201Ci Controller should be
located in a limited zone of an electrical substation (for example, the control
room).
2. If necessary, connect the Hydran 201Ci Controller to its modem using the
supplied cable. The reception (Rx) and transmission (Tx) pins of this cable are
not criss-crossed.
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