ProMinent DCM 2 Series, Руководство по установке

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DCM 2 Installation
Page 27
4.5. Passwords Reset
Contact ProMinent’s Technical Service Department, at (412) 787 – 2484 , with the controller serial number
and the time shown on the controller, to obtain a reset password which resets all passwords to the factory
defaults shown above.
Proof of controller ownership is understandably required.
ProMinent controllers have no backdoor or super user password.
If you forget the password, this is the only way to recover controller access.
5. Application Notes
5.1. Sensor Inputs & Control Outputs
The controller uses the letters ‘ A ’ thru ‘ F ’ to identify input sensors, like pH, ORP, Free Chlorine,
Temperature, Flow Switch, Surge Tank Level, Recirculation water flow meter, and other Digital signals.
The numbers
1 to 5 identify the three (3) AC power switching relays and two (2) DC outputs for enable,
alarm or pump pulse frequency use.
‘
A ’ to ‘ C ’ and ‘ E ’ to ‘ F ’ exist as terminal blocks where inputs are connected. Sensor input ‘ D ’ is ‘virtual’ and
used to calculate Ryznar’s and Langelier’s SI indices.
Users can also change the default names of sensors, pumps and valves to more meaningful, site specific
names. For example, although you may change the name of the controller pH input “pH Sensor_A” to
“Acid Sensor”, ‘A’ identifies where the sensor is connected and the letter “
A ” is used to represent the “Acid
Sensor” input in hardware connections and data logging.
Most inputs may be used to control almost any output with some logical aquatic application exceptions.
I/O Point Function Notes
Sensor A Fixed pH sensor input
Operating Range
2.0 to 12.0 pH units Support for all ProMinent pH sensors.
All controllers have one pH sensor input.
Sensor B Fixed ORP sensor input
Operating Range
0.0 to 1000.0 mV Support for all ProMinent ORP sensors.
All controllers have either one ORP sensor input, or a CLB3
free chlorine sensor input. Selection of ORP or CLB is set
permanently at time of manufacture.
Fixed CLB Free Chlorine
sensor input
Operating Range
0.5 to 3.25 ppm Support for ProMinent CLB3 sensors including temperature
compensation.
All controllers have either one CLB free chlorine sensor
input, or an ORP sensor input. Selection of ORP or CLB is
set permanently at time of manufacture.
Sensor C Fixed Temperature input
Operating Range
32.0°F to 212°F Support for the ProMinent SGT 10mV/°K temperature
sensor. Thermal compensation for the “A” pH sensor, and
LSI/Ryznar calculations.
Phantom or
Virtual Sensor
D
Virtual sensor inputs have
no physical connection
and are used for alarms,
control and logging. This is a calculated value for LSI/Ryznar’s scale and
corrosion indices using pH, temperature, and manual entries
of other water analysis values.
Sensor E Fixed digital input There are two digital inputs. Input E is always used as the
Sample flow switch and cannot be changed or disabled.
Sensor F Fixed digital input Digital input ‘F’ can be configured as an additional
Recirculation Pump flow switch interlock, remote
enable/disable, float switch (for auto-fill), or square wave
pulsing flow meter (like GFSignet 2536 blue cap).