Watlow Series 935A User’s Manual
5 1
Ordering a 935A
Ordering Information (2192)
Single thermocouple or RTD (DIN) input, dual output, singlie display
temperature control with time function and four digit display
Remote Inputs
A
= Remote set point input, or front panel lock input in place of output #1
B
= Separate input for remote timer start, or front panel lock
Output 1/Remote Input
C
= Switched dc, logic signal, non-isolated; (Watlow DIN-a-mite® power
controller compatible)
(Optionally used for remote set point input; or front panel lock input for
Remote Input A option only.)
Output 2
C
= Switched dc, logic signal, non-isolated (Watlow DIN-a-mite® power
controller compatible)
D
= Electromechanical relay
1
, Form A, 2A, 240V
Å
(ac), without contact
suppression
3
(Remote Input A option only.)
K
= Solid-state relay, 0.5A, 24-264V
Å
(ac), without contact suppression
3
(Remote Input A option only.)
Power Supply
0
= 100 to 240V
Å
(ac) nominal (high voltage)
1
= 24 to 28V
‡
(ac/dc) nominal (low voltage)(Remote Input A option only.)
Custom Options
00 = None
AA = No Watlow logo
XX = Custom label or parameters
Display
R
= Red displays
G
= Green displays
Table 15 - Input Range Information
1
Electromechanical relays are warranted for 100,000 closures only. Solid-state switching devices are recommended for applications requiring
fast cycle times or extended service life.
2
To effect IP65 (NEMA 4X) rating requires a minimum mounting panel thickness of 1.5mm (0.06 inch) and a surface finish not rougher than
0.000812 mm (0.000032 in.).
3
When using this output to drive a solenoid, MDR or electromechanical relay (contactor), protect output with a Quencharc
®
. Order code number
0804-0147-0000. Refer to owner's manual for wiring information. Quencharc
®
is a registered trademark of ITW Paktron.
J t/c:
0
to
750°C
or
32
to
1382°F
K t/c:
-200
to
1250°C
or
-328
to
2282°F
T t/c:
-200
to
350°C
or
-328
to
662°F
N t/c:
0
to
1250°C
or
32
to
2282°F
S t/c:
0
to
1450°C
or
32
to
2642°F
E t/c:
-200
to
799°C
or
-328
to
1470°F
1° RTD (DIN):
-200
to
700°C
or
-328
to
1292°F
0.1° RTD:
-99.9
to
700.0°C
or
-99.9
to 999.9°F
935 -1C
-
0
