SBCS CHEMTROL CT Series, Instruction Manual, Page: 31 / 65

OPERATION Page 31
MANUAL CT Controllers
8.3 - COMMUNICATIONS SUBMENU
The details of the communications features are discussed in
Chapter III - TELECOMMUNICATIONS.
The Communications Submenu is used to select the phone
numbers to report alarm conditions and to enter the
identification number for voice telephone reporting.
8.3.1 - Phone Numbers
Up to six (6) different phone numbers can be entered for
automatic calling in case of an alarm condition. Each number
is called sequentially until one of the numbers is answered and
the proper password is entered.
To delete a phone number, replace it with 0 (zero).
8.3.2 - Unit Identification
The unit identification number is used to identify individual
facilities for voice telephone reports, either a status report or an
alarm report. The default value is 1.
8.3.3 - Alarm Calling
Specify YES if you want the controller to dial automatically the
phone numbers listed above in 8.3.1.
8.3.4 - 4-20 mA
The 4-20 mA output is an option (OPTION 4-20) that includes
one or two converter boards to convert sensor readings and/or
control outputs into analog signals that can be fed into analog
monitoring equipment (BMS) or control equipment (pumps or
valves with analog control circuitry).
The converter boards plug into separate areas of the mother
board of the controller (see Chapter II - INSTALLATION).
To convert sensor readings to BMS, the 4-20 mA SIGNAL
Submenu is used to set the lower and upper limits for data
conversion for each of the functions shown on the screen
(Submenus 8.3.4 and 8.3.4.1). The standard (default) values
for the 4-20 mA limits are the values that have been selected
for the out-of-range limits. This means that the lower out-of-
range limit corresponds to the minimum signal of 4 mA and the
higher limit to 20 mA.
To change the limit values of one of the functions, highlight the
desired function in Submenu 8.3.3 with the UP or DOWN
ARROW key and press the RIGHT ARROW key to access
the 4-20 mA LIMITS screen, as shown on the Submenu 8.3.4.1
for ORP.
To convert control outputs to control equipment (valves,
pumps), use the 4-20 mA CONTROL Submenu 8 (X.1.3.3) .
Submenu 8.3
Submenu 8.3.1
Submenu 8.3.4
Submenu 8.3.4.1
COMMUNICATIONS
Phone Numbers
Unit I.D.
Alarm Calling
YES
4-20 mA Output
PHONE NUMBERS
1: ______________
2: ______________
3: ______________
4: ______________
5: ______________
6: ______________
CONDUCTIVITY
pH
ORP
TEMPERATURE
MAKE UP FLOW
4-20 mA LIMITS
COND TOP 5000
COND BOTTOM 100