Chromalox 1604-7 specification

Grd1 Ramp applied to an increasing set point change

Range: from 1 to 100 digits per minute. Above this value the display shows “InF” meaning that the transfer will be done as a step change.

Grd2 Ramp applied to a decreasing set point changes

For other details see Grd1 parameter. OLH Output high limit

Range:

-From 0.0 to 100.0 % of the output span when device is configured with one control output.

-From -100.0 to 100.0% of the output span when device is configured with two control outputs.

tOL Time duration of the output power limiter (soft start)

Range: from 1 to 540 min. Above this value the display shows “InF” meaning that the limiting action is always on. Note: The tOL can be modified but the new value will become operative only at the next instrument start up.

rnP Control output max. rate of rise This parameter is available only when Pb is different from zero or one control output is a linear output type.

Range: From 0.1 % to 25.0 % of the output span/second. Above this value the display shows “InF” meaning that no limit is imposed.

Note:the rnP parameter is active on a linear control output even if the device is in ON/OFF control mode.

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Chromalox 1604-7 user manual Grd1 Ramp applied to an increasing set point change

Contents

Chromalox Contents III Model identification Screw Mounting Requirements Outline and CUT-OUT Dimensions Outline and CUT OUT Dimensions Measuring Inputs TC Input Connection Diagrams Linear Input RTD Input Logic Input Safety note Relay OutputsOUT Inductive Loads Linear OutputLoad Operating Voltage Serial Interface Power Line Wiring When the Neutral line is present, connect it to terminal Open Input Circuit Preliminary Hardware SettingsInput Type TC-RTD SEr4 = Byte format for serial link SEr1 = Serial interface protocolOFF SEr3 = Baude rate for serial link P5 = Output 1 function P2 = Decimal point positionP3 = Initial scale value P4 = Full scale value P9 = Output 2 function. nonE = output not used P10 = Alarm 1 operating modeP7 = analog retransmission initial scale value P8 = analog retransmission full scale value P12 = Alarm 2 operating mode P14 = Alarm 2 threshold valueP15 = Alarm 2 hysteresis value P22 = Cooling media P19 = Displayed value of the main power outputP18 = Main control output action P20 = Secondary control output action P29 = Displayable protected parameters P24 = Alarm 1 actionP26 = Alarm 2 action P28 = Offset adjustment added to the measured value P36 = Timeout selection P38 = Output safety valueP34 = Manual function P41 = Control action type P43 = Set point indicationP44 = Operative set point alignment at instrument start up Indicators Display FunctionREM SP2 MAN SP SP2 Selection MAN = Direct Access to SET Point Manual FunctionLamp Test Serial Link Smart function AL2 Alarm 2 threshold RSt Manual reset of the alarmsAL1 Alarm 1 threshold HSA1 Alarm 1 hysteresis Integral time Output 3 cycle timeHysteresis for ON/OFF control action Relative Cooling gain Grd1 Ramp applied to an increasing set point change TOL Time duration of the output power limiter soft start Underrange Error MessagesError Messages Overrange Error List General Specifications General InformationsInputs Thermocouple Logic Input Linear Inputs SET Points Control ActionsOutputs Output Alarms Maintenance Serial Communication InterfaceStop bit one Address HSA1, HSA2 Appendix a Default ParametersParameter Default Value = OFF ER0 Para P44 Appendix A.3 Appendix A.4 Emerson Electric CO Chromalox