Watlow Series 935A Bedienungsanleitung PDF herunterladen (Seite 22)

20 Watlow Series 935A User’s Manual

Setting Inputs and Outputs

Key Input/Output Set-up Information

• All initial input and output set-up occurs in the Configuration Menu.

• The 935A requires a thermocouple or RTD input connection to the S1 and S2 Terminals, including

when using the remote set point [`rSP] option.

• Remote Set Point [`rSP] is a second input, wired to OT1 Terminals 3 and 4.

• Indication of °C or °F units of measure occurs only in the [`C_F] prompt.

• Sensor input type minimum and maximum range (see p. 51) is further defined with Range Low

[``rL] and Range High [``rh] to set the working span of set points and remote set point scal-

ing.

• Output 1 and Output 2 configure the prime functions of the Series 935A, they are the “golden”

prompts.

• Output 1 must be heat or cool to use Output 2 as a timer.

• Remote Set Point [`rSP] enables Output 1 to act as an input for 0-5Î (dc) from another con-

troller or a transmitter.

• Front Panel Lock [`FPL] requires an external switch and 62Ω 0.5 watt resistor wired in parallel

on Output 1. Switch open = unlocked; closed = locked. See p. 23.

• Output 2 sets timer interval in hours:minutes [thM]

or minutes:seconds [tMS].

• Display Default [dISP] lets you choose the primary (last 2 characters) and secondary (first 2

characters) default displays. Press ß to toggle to the secondary display for 15 seconds.

[``Ac] = Normal Display: Actual Temperature

Secondary: None

[AcSP] = Normal Display: Set Point Temperature

Secondary: Actual Temperature

[Acti] = Normal Display: Time Remaining

Secondary: Actual Temperature

[TiAc] = Normal Display: Actual Temperature

Secondary: Time Remaining

[tiSP] = Normal Display: Set Point Temperature

Secondary: Time Remaining

Configuration Menu

[``In]

✓

Input Type

[`C_F]

✓

Celsius/Fahrenheit

[``rL]

✓

Input Range Low

[``rh]

✓

Input Range High

[`Ot1]

✓

Output 1 Function

[`Ot2]

✓

Output 2 Function

[dISP]

✓

Display Default

[ALty]

Alarm Type

[AhYs]

Alarm Hysteresis

[`LAt]

Alarm Latch

[`SIL]

Alarm Silencing

[FAIL]

Failure Mode

[tIM]

Timer Function

[Strt]

Start Timer

[`rdY]

Timer Ready Band

[``St]

Signal Time

[SLOC]

Set Point Lockout

[`tAG]

Lockout Tag

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 67 68

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