Hydran* M2-X Instruction Manual
MA-029 Rev. 1.0, 30-Jul-18
1. Wait at least two hours
2. Verify the reading accuracy using a DGA
Installing the RS-485 Network Link
1. Run the cables through conduits to form a daisy chain
2. Ground conduit where cable is connected to RS-485 In terminals
3. Isolate conduit where cable is connected to RS-485 Out terminals
4. Ensure all wires are identified at both ends
5. Connect the wires to the RS-485 terminal blocks
6. The shield of each cable section is grounded at one end only
Configuring the Hydran M2-X’s Communication Parameters
1. No alarm condition detected
2. Set identification numbers:
• Set Power Station ID to _________
• Set Monitor ID to _________
3. Set communication parameters:
• Set DB9 Baud Rate to _________ bps
• Set 485 Baud Rate to _________ bps (identical for all Hydran M2-X’s)
• Set Comm Mode to Answer Only or [ ] Call on Alarm [ ]
• Set RS232<->RS485 to Disabled [ ]
Installing and Configuring a Laptop Computer
Connecting a Laptop Computer
1. Remove the cover of any Hydran M2-X in the network
2. Connect the RS-232 cable to the Hydran M2-X
3. Connect the RS-232 cable to the laptop computer’s serial ports
Configuring the Laptop Computer and Perception software
1. Set the serial port’s baud rate and other parameters (8 data bits; no parity; 1
stop bit; no flow control)
Verifying the RS-232 Communications
1. Using Perception software verify that the communication can be established
with the Hydran M2-X
Installing a Hydran 201i Controller
1. Install a Hydran 201Ci Controller equipped with a modem
2. If necessary, connect the Hydran 201Ci Controller to its modem