Yokogawa EXA PH202 2-Wire pH/ORP Analyzer - Manual (Page 89)

IM 12B07D02-01E
Appendix 10-3
10-2. Configuration checklist for PH202G
Standard Configuration Options Reference for
change
Measured Variable(s)
primary inputs pH, ORP and Temp
pH range 0-14 pH any span within -2-16 pH “output”
pH range linearized disabled 21 point table codes 31& 35
ORP range -500 to 500 mV spans up to 3000 mV between “output”
-1500 to 1500mV
Temperature range -30-140°C
Temperature unit Celsius Fahrenheit code 11
mA Outputs
analog output 4- 20 mA for pH pH/ORP/(parameter 2) code 01, 02, 31
output linearization disabled pH/ORP codes 35
Communication
digital interface disabled HART 60
communication software external HHC or PC202 contact factory
variables on display pH/ORP and temp pH/ORP, parameter 2, mA output “display”
SL, AP, Z1, Z2 etc.
burn out disabled burn low (3.6 or 3.9)/ high (21) on mA output 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. functions in MAINT disabled Impedance check start code 51
Diagnostics
impedance checking active enable or disable code 03 & 04
check on calibration data active enable or disable code 05
check on stability 0.02 pH per 5 s choose stability level code 20
display calibration log. enabled with logbook diagnostics setup codes 03, 04 & 05
Compatibility
pH or ORP glass sensor/metal electrode pH or ORP code 01
temperature sensor Pt 1000Ω Pt1000; Pt100, etc code 10
other sensors enamel sensors (Pfaudler) ITP & impedance check setup codes 23, 03 & 04
2nd parameter disabled pH & ORP/ pH &rH code 02
manual temp. comp. disabled disable or enable “temp”
Special Features
buffer table configuration NIST standard fully configurable codes 24, 25 & 26
temperature calibration none adjustment +/- 20 °C code 12
zero point calibration disabled disable or enable code 27
call for maintenance set time interval 1 - 250 days code 55
HOLD during maintenance hold last or hold fix “hold”
process temp. compensation disabled set temperature coefficient code 13
logbook disabled 2 x 50 events code 61, 62
mA
mA
mA
mA