GE Hydran 201i, Instruction Manual

Page: 64 / 300

Chapter 3 • Hydran 201C
i
Controllers
3-8 Rev. 6, March 2011 Part 17997
• Network and communication management. The H201C i -1 (or any other Hydran 201C i
Controller in a local network) is connected to the host computer with an RS-232 or USB
link or a modem (optional) and to each H201T
i with a supervisory link. A maximum of
32 H201C i Controllers (H201C i -C and/or H201C i -1) can be connected together with an
RS-485 link to establish a local network that can contain up to 128 H201T i ’s. For details
on network configurations, see Chapter 9.
• A terminal block to connect the following components:
– ac power supply
– Supervisory link between the H201C
i -1 and the H201T i
– RS-485 link toward other H201C i controllers to establish a network
– Alarm contacts (High, High-High and fail)
– Isolated, analog output
• Connectors for the RS-232 or USB link toward a host computer.
Figure 3-4 - Hydran 201R Model i
H201C -1
i
H201 sensor
H201T
i
Supervisory
link cable
Hydran 201Ci-1
®
1 2
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