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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 0-5
Î
(dc) from another con-
troller or a transmitter.
•
Front Panel Lock
[`FPL]
requires an external switch and 62
Ω
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
Содержание 935A Series
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