Xylem CL500 ONLINE CHLORINE ANALYZERS MODBUS - Manual (Page 11)

Address Type Register Min Default Max Function
2 -- Odd
40013 Int RS-485 stop bits 0 0 1 0 – One
1 -- Two
40014 Int Instrument
address 1 1 255
40015 Int Modbus serial
mode
0 0 1 0 – RTU
1 – ASCII
40016 Int Alarm 1 type 0 0 2 0 – Off
1 – Low alarm
2 – High alarm
3 – Error alarm
40017, 40018 Float Alarm 1 set point 0.0 1.0 10.0
40019 Int Alarm 2 type 0 0 2 0 – Off
1 – Low alarm
2 – High alarm
3 – Error alarm
40020, 40021 Float Alarm 2 set point 0.0 1.0 10.0
40022, 40023 Unused
40024 Int Measurement
period 90 150 600 Seconds between
measurements
40025 Int Water
Conservation 0 0 1 Water Conservation
Flag
40026 Unused
CL500 Modbus (3/09)
Rev. 1.3 9