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5.4 Current outputs

The function group CURRENT OUTPUT is used to configure the individual outputs. Either a

linear (O3 (1)) or, in conjunction with the plus package, a user-defined current output

characteristic (O3 (3)) can be entered.

Furthermore, a current output value can be simulated to check the current outputs

(O3 ( 2)).

The controller set value in field R 237 / R 266 can be output via current output 2, if available.

The distance ∆ signal per mA between two table value pairs must exceed:

• pH: 0.03

• Redox: 5 mV

• Temperature: 0.25 °C

First enter the current output configuration you require in the following blank table. Ensure the

required minimum distance by calculating the resulting signal distance per mA. Then enter the

result in the instrument.

0 48 121620

Current [mA

]

∆ current

Fig. 5.7

User-defined current output

characteristic

Current output 1 Current output 2

Value pair

pH / mV /

%/°C

[]

Current

[mA]

Distance

per mA

pH / mV /

%/°C

[]

Current

[mA]

Distance

per mA

Instrument configuration Liquisys M CPM 223 / 253

30 Endress+Hauser

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AUX E&H Series Instrucciones de operaciones Pagina 32