Appendix L. Other Products and Accessories
L-1. Hydran 201C-i-C Communications Controller
The Hydran 201Ci -C Communications Controller (H201Ci-C) is used as an
interface between a network of Hydran M2-X’s and a remote host computer. The
H201Ci -C does not have a numerical display, analog outputs or alarm contacts, see
the illustration below.
Figure L - 1: Hydran 201Ci-C Communications Controller
L-2. Vibration-Absorbing Rubber Pads
The vibration- absorbing rubber pads (Figure L - 2 on the next page) are used to
protect the Hydran 201Ci Controllers against vibrations. These pads can be ordered
separately or with the Hydran M2-X.
The H201Ci-C is built into a heated
Type NEMA 4X enclosure
(approximately 20 x 30 x 12 cm [8
x 12 x 4.75 in]).
The H201Ci-C includes:
• A digital circuit board to
control all communications,
including networking
• A terminal block for ac
power connections
• Connectors for RS-232 and
RS-485 communication
cables
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