Hydran 201Ci Communications Controller - GE Hydran 201i Instruction Manual

Hydran* 201i Instruction Manual
A membrane keypad and an alphanumeric backlit LCD display enable full interaction
with the unit without requiring the use of an external computer.
The H201Ti is described in detail in Chapter 3.

2.2.2 Hydran 201Ci Communications Controller

The Hydran 201Ci- C unit (Figure 2-2 below) is a communications controller. It can
supervise up to four (4) Hydran 201Ti units through the isolated supervisory link, typically
a transformer bank (A, B, C and auxiliary). The Hydran 201Ci-C does not have a display,
nor does it provide alarm or analog outputs. It is meant specifically to interface with a
network of H201Ti Intelligent Transmitters to a computer via an RS-232, RS-485 or USB
link, or an optional modem.
The H201Ci-C is built into the same heated Type NEMA 4X instrument cabinet as the
H201Ci-1 (next section), but without a display or alarms; it contains a single electronic
digital circuit board that handles the communications tasks. Two terminal block stripes
are provided for easy connection to AC power.
communications:
• RS-232 or USB to a computer or an optional modem;
• Isolated supervisory link to H201Ti Intelligent Transmitters (four connectors);
• RS-485 to other H201Ci Controllers.
The H201Ci-C is described in detail in Section 4.1.
MA-033 Rev. 14.0, 12-Nov-18
Figure 2-2: Hydran 201Ci-C Communications Controller
Connectors are used for
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