Appendix C
Appendix B
66
65
CULLIGAN GLOBAL ELECTRONIC CONTROLLER
Culligan GBE Controller – Data Port Output
The GBE controller is used to control water softeners, filters and commercial RO systems. This controller has the
ability to provide “status messages” to a customer’s equipment using RS-232 and RS-485 communication protocols.
These protocols are commonly used to send information from the GBE to either a customer’s PC or to a building
management system or programmable logic controller (PLC). The information is “one-way” in that the GBE can
send this information out, but the GBE cannot receive or respond to any commands sent into the communication
port. The GBE sends a “status message” every 10 minutes. The information is send as a short text (ASCII), comma
separated string of letters and numbers.
The information contained in the “status message” depends upon what type of equipment is being controlled by
the GBE.
Single Water Softener or Filter controlled by GBE:
The format of the “status message” is: CULL,A,B,C,D,E,F
Example: CULL,52754,57.2,1,911,0x0000,1
Where the values for the fields A thru F are as follows:
A = total gallons since new
B = current flow rate in gallons per minute (57.2 means 57.2 gallons per minute )
C = Current Status Indicator (0 = initialization, 1=service, 2=prerinse, 3=regen, 4= standby)
D = capacity remaining in gallons
E = Error Flag (see below)
F = 1
Error Bit
Meaning
0
Internal Valve Leak
1
Salt Bridging Detected
2
Brine Line Blocked
3
Brine Tank Overfill Error
4
Replace Media Filter
5
No RF Remote Signal
6
AquaSensor Salt Error (possibly low salt or failed eduction)
7
Motor Homing Error
8
Motor Position Sensor Error
9
Low Salt Level in Brine Tank
10
(not used)
11
AquaSensor Probe Fault (probe has failed, not plugged in or AquaSensor transformer failed)
12
Less than 14 Days Salt
The error flag is sent as a hexadecimal number in the format 0xWXYZ as follows:
W
X
Y
z
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
Summary of Contents for GBE
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