AUX E&H Series Instrucciones de operaciones Pagina 82

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Output pH signal output
Current range 0 / 4 ... 20 mA, galvanically separated; error current 2.4 / 22 mA
Max. resolution 700 digits / mA
Load max. 500
Output range adjustable, min. 1pH
Isolation voltage max. 350 V
rms
/ 500 V DC
Overvoltage protection (lightning protection) to EN 61000-4-5:1995
Redox signal output
Current range 0 / 4 ... 20 mA, galvanically separated
Max. resolution 700 digits / mA
Load max. 500
Output range absolute: adjustable, min. 50 mV
relative: fixed, 0 ... 100 %
Separation voltage max. 350 V
rms
/ 500 V DC
Overvoltage (lightning) protection to EN 61000-4-5:1995
Temperature signal output (optional)
Current range 0 / 4 ... 20 mA, galvanically separated
Max. resolution 700 digits / mA
Load max. 500
Transfer range adjustable, 10 ... 100 % from measuring range end
Separation voltage max. 350 V
rms
/ 500 V DC
Overvoltage (lightning) protection to EN 61000-4-5:1995
Auxiliary voltage output
Output voltage 15 V ± 0.6 V
Output current max. 10 mA
Contact outputs (potential-free changeover contacts)
Switching current with ohmic load (cos ϕ = 1) max. 2 A
Switching current with inductive load (cos ϕ = 0.4) max. 2 A
Switching voltage max. 250 V AC, 30 V DC
Switching power with ohmic load (cos ϕ = 1) max. 1250 VA AC, 150 W DC
Switching power with inductive load (cos ϕ = 0,4) max. 500 VA AC, 90 W DC
Limit contactor
Pickup / dropout delay 0 ... 2000 s
Controller
Function (adjustable) pulse length / pulse frequency controller
Controller response PID
Control gain K
p
0.01 ... 20.00
Integral action time T
n
0.0 ... 999.9 min
Derivative action time T
v
0.0 ... 999.9 min
Period for pulse-length controller 0.5 ... 999.9 s
Frequency for pulse frequency controller 60 ... 180 min
–1
Basic load 0 ... 40% of max. set value
Alarm
Function (switchable) steady / fleeting contact
Alarm threshold adjustment range pH / temperature: entire measuring range
Alarm delay 0 ... 2000 s (min)
%
°C
Technical data Liquisys M CPM 223 / 253
80 Endress+Hauser
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