Yokogawa EXA DC402 Dual-Channel Conductivity Analyzer - Manual (Page 69)

IM 12D08E02-01E
10-6 Appendix
10-7. Configuration checklist for DC402G
Standard Configuration Options Reference for
change
Measured Variable(s)
primary inputs
Conductivity (SC) and Temp Resistivity i.s.o Conductivity code 01
conductivity range 0.000 µS/cm - 100 µS/cm any span within 0.000µS/cm - 1999mS/cm “range”
conductivity units Auto ranging µS/cm - mS/cm Choice out of fixed µS/cm or mS/cm code 56
resistivity range 0 - 19.99 MΩ•cm any span within 0.000kΩ•cm - 999MΩ•cm “range”
resistivity units MΩ•cm Auto ranging or other fixed values code 56
temperature range 0 - 100 °C any span in -20 ... +250 “range”
temperature unit Celsius Fahrenheit code 11
Outputs
analog output 4- 20 mA for SC 0- 20 mA or 4- 20 mA code 30
second output 4- 20 mA for Temp 0- 20 mA or 4- 20 mA code 30
output allocation SC and Temp SC, Resistivity, Temp, Table, PI control code 31
contact outputs S1= high at 100 µS/cm (4) freely programmable “setpoint”
S2= low at 100 µS/cm code 40. 41, 42, 43
S4= FAIL
contact allocation mS/cm and FAIL µS/cm, mS/cm, kΩ•cm, MΩ•cm, code 40- 43
temp, PI control, HOLD, FAIL
contact variables dead time= 0.2 s; hyst= 0.1% time: 0- 200 s; hyst 0.1- 100% code 44
add. contact functions none time out alarm code 47
control functions none PI on contacts or mA output code 45, 46, 34, 33
digital outputs none RS485 code 60
Communication
digital interface disabled RS485 code 60
variables on display µS/cm (mS/cm) and temp TC, %w/w, °C, mA1, mA2, CC, TR, REL “display”
burn out disabled burn low (3.5)/ high (22) on mA1/ mA2 code 32
password protection disabled for maint/ comm./ serv level code 52
autoreturn return to measure in 10 min. enable or disable code 50
add. function in MAINT disabled setpoint adj code 51
Diagnostics
check on polarization enabled enable or disable code 05
check on cell constant active “calibrate”
check on TC coefficient active “temp.”
Compatibility
SC sensor SC40, SX42 SC8SG, L&N compatible code 10
temperature sensor Pt1000 Ni100, PB36, Pt100, 8k55 code 10
cell constant 0.100/cm from 0.008/cm up to 50.0/cm code 03
Special Features
temperature calibration none adjustment +/- 15 °C code 12
zero calibration none adjustment -1 µS/cm code 04
temp. comp. acc to NaCl tables IEC 60746-3 NaCl, manual TC, matrix “temp.”,
code 20 - 28
HOLD during maintenance disabled hold last or hold fix “Hold”
contact during HOLD disabled possible on S1,S2 or S3 code 40- 42
soft fail alarm disabled possible for E1, E5...E13, E22 code 53