HYDRAN 201Ci-1 One Channel Controller

Remote electronic controller for oneHYDRAN 201T/ Intelligent Transmitter;

itprovides network communication capabilitiesplus a large display of gas

level as well as alarmcontacts, alarm indicators and analog outputs.

** When ordered in conjunction with a H20ITi, this combination iscommonly

referred to as a HYDRAN 201R Model i.

Alarm Contacts

Gas Hi, Gas Hi-Hi, Fail SPDT (type C), 125 VA@ 250 Vac, 60 W @ 220 Vdc

Gas Alarm Indicators

Hi and Hi-Hi illuminated pushbuttons mountedon door; latched on when

alarm is triggered, turned off by pressing button as alarm is cleared

Communications/Networking

Supervisory Link Port

3000 V opto-isolated supervisory link port connects with H201Ti;

1300 m (4000 ft) maxi-mum length; three twisted pairs (AWG #16 or

#18) with overall shield required 

RS-485 Communication Port

Standard RS-485 communication port allows for daisy-chaining of up

to 32 H201Ci-1’s (or H201Ci-C’s or H201C-4’s);

1300 m (4000 ft) maximum total daisy-chain length;one twisted triad

(AWG #16 or #18) with overall shield required