Honeywell DR4300 manual TIME/CURRENT Duplex Relay = Cool-Similar to, Full factory setting

		Configuration, Startup, and Operation
		of Recorder with Display
Lower Display	Upper Display	Parameter
Prompt	Range of Setting	Definition
	or Selection
OUTALG	Tcur	TIME/CURRENT DUPLEX (Relay = Cool)—Similar to
(continued)		CurT, except that current is active for 50 % to 100 %
		(tuning set 1) and relay is active for 0 % to 50 % (tuning
		set 2).
		Control group functions “CURRNG” and "DBAND" are
		affected.
CURRNG		CURRENT RANGE—This parameter appears if
		“OUTALG” is set to “CurT” or “Tcur”.
	FULL [factory setting]	FULL—Current output is calculated over the full range
		0 % to 100 %. For example, a control output of 50 %
	HALF	would result in a 12 mA current output.
		HALF—Current output is calculated over half the range
		(50 % to 100 %). For example, a control output of 50 %
		would result in a 4 mA current output.
CTRALG		CONTROL ALGORITHM—Use this to specify the type of
		control appropriate for your application.
	ON/OFF [factory setting]	ON/OFF is the simplest type of control. The output can be
		either ON (100 %) or OFF (0 %). The process variable
		(PV) is compared with the setpoint (SP) to determine the
		sign of the error (ERROR = PV–SP). The ON/OFF
		algorithm operates on the sign of the error.
		In direct-acting control (set with parameter “ACTION”
		described below), when the error is positive, the output is
		100 %. When the error is negative, the output is 0 %. If
		the control action is reverse, the opposite is true. An
		adjustable overlap is provided between the ON and OFF
		states. (See “HYST” below.)
		DUPLEX ON/OFF is an extension of this algorithm that
		applies when the “OUTLAG” is set for “RLYD” (relay
		duplex). It allows for the operation of a second ON/OFF
		output. There is a configurable deadband (see “DBAND”
		below) between the operating ranges of the two inputs,
		and a separately configurable overlap (“HYST”) of the ON
		and OFF states of each output. With no relay action the
		controller output will read 50 %.

12/03 DR4300 Circular Chart Recorder Product Manual 95