GE Hydran 201 i Instruction Manual page 17

8.3.6 Installing the Alarms Cable (Facultative) . . . . . . . . . . . . 8-13
8.3.7 Installing the ac Power Supply Cable . . . . . . . . . . . . . . 8-14
8.3.8 Verifying the Operation . . . . . . . . . . . . . . . . . . . 8-14
8.3.9 Verifying the Analog Outputs . . . . . . . . . . . . . . . . . 8-14
8.3.10 Verifying Alarm Indicators and Alarm Relays . . . . . . . . . . 8-15
8.3.11 Verifying the Supervisory Link Communications . . . . . . . . . 8-15
8.3.12 Conclusion . . . . . . . . . . . . . . . . . . . . . . . . 8-15
8.4 Other Installations. . . . . . . . . . . . . . . . . . . . . . . . . 8-15
Chapter 9
Communications and Networking
9.1 Communications Within a Hydran 201R Model i or a Hydran 201i System,
Using a Supervisory Link . . . . . . . . . . . . . . . . . . . . . . 9-1
9.1.1 TDM Pulse . . . . . . . . . . . . . . . . . . . . . . . . .9-2
9.2 Communications in a Network, Using an RS-485 Local Network Link . . . . 9-3
9.3 Communications With a Host Computer, Using an RS-232 Serial
Communication Link . . . . . . . . . . . . . . . . . . . . . . . .9-5
9.3.1 Local Communications . . . . . . . . . . . . . . . . . . . .9-6
9.3.2 Remote Communications (via Modem) . . . . . . . . . . . . . .9-6
9.4 Communication Protocol . . . . . . . . . . . . . . . . . . . . . . 9-8
9.5 Local Network Installation . . . . . . . . . . . . . . . . . . . . . 9-8
9.5.1 Installing an RS-485 Local Network Link Between Hydran 201Ci
Controllers . . . . . . . . . . . . . . . . . . . . . . . . .9-9
9.5.2 Connecting a Host Computer to a Hydran 201Ci Controller in a Local
Network, Using an RS-232 Cable . . . . . . . . . . . . . . . 9-10
9.5.3 Verifying RS-232 and RS-485 Communications . . . . . . . . . 9-10
9.6 Optional Modem Installation . . . . . . . . . . . . . . . . . . . . 9-11
9.6.1 Connecting a Telephone Line . . . . . . . . . . . . . . . . . 9-11
9.6.2 Verifying Communications Between the Two Modems . . . . . . . 9-11
9.6.3 Configuring the Call OnAlarm Mode . . . . . . . . . . . . . . 9-13
Chapter 10
Alarms
10.1 Alarm Levels. . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
10.1.1 Alarm Conditions. . . . . . . . . . . . . . . . . . . . . . 10-2
10.1.2 Purpose of Hourly and Daily Trends . . . . . . . . . . . . . . 10-3
10.2 Alarm Relays . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4
10.2.1 Alarm Contacts . . . . . . . . . . . . . . . . . . . . . . 10-4
10.2.2 Status of Alarm Relays . . . . . . . . . . . . . . . . . . . 10-4
10.2.3 Operation Modes of Alarm Relays . . . . . . . . . . . . . . . 10-5
10.2.3.1 Normal Mode . . . . . . . . . . . . . . . . . . . 10-6
Part 17997 Rev. 6, March 2011
Hydran 201i System
xvii