Hach Ultra POLYMETRON 9210, Operator'S Manual

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Page 21
SILKOSTAT 9210
Connections Function
Max.
voltage
Max.
current
Mixer control 24 Vac 1 A
Heater control 24 Vdc 1 A
Cell temperature measurement 5 Vdc 1 mA
Re1 to Re6 User relay of threshold 1 to 6 30 Veff ou 0,5 A
Re7 to Re10 Not used in this application 42.4 Vdc resistive
Re11 Warning alarm charge
Re12 System alarm (NO and NF switch are available)
In1 to In6 Inhibition input (channels 1 to 6)
For input In1, use terminals “in” and "-“ .
Terminals « + » and « out » are not used. 5 Vdc 5 mA
In7 to In10 Input not used in this application
In11 Remote acknoledgment of alarms
In12 Level sample detector
Iout1 to Iout6 Analog output 0-20 or 4-20 mA (channels 1 to 6) 24 Vdc 23 mA
Iout7 Analyser status
Iout8 Not used in this application
Vout1 Sampling electrovalve control 30 Vdc 1 A
Vout2 to Vout7 Sample selection electrovalves control (channels 1 to 6)
Vout8 Calibration pump
Vout9 to Vout11 Reagent pump P1 to P3
Vout12 Drain pump
Note :
The system alarm relay (12) is in the positive safety position for
informing in case of a cut-off or an analyser error
.