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Model number, 9|2|o|a, Series 920 model number breakdown – Watlow Series 920 Microprocessor-Based Ramping Control User Manual

Page 61

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Series 920 Model Number Breakdown

Control
Series
920 =

Input

2 =

3

=

4

=

#1 output

B =

c =

D =

E

=

F

=

#2 output

A =

B =

c =

D =

|9|2|O|A|-|

Single channel, microprocessor based,
dual output, ramping controller, 99 steps, 1/4

DIN.

Type J, K, T thermocouple, 0-5VDC, 1° RTD

Type J, K, T thermocouple, 4-20mA, 0.1° RTD

Type R, S, B thermocouple

Solid state relay, Form A, 0.5A, RC Suppression
Switched DC, open collector, non-isolated

Electromechanical relay, Form C, 6A
(Warranted to 100,000 cycles only)

Triac, 15A, resistive, external

Process, 4-20mA, non-isolated

None
Solid state relay, Form A, 0.5A, RC suppression
Switched DC, open collector, non-isolated

Electromechanical relay, Form C, 6A
(Warranted to 100,000 cycles only)

Communications

A = None

B =

Isolated RS-422/RS-423

|o

|o|o|

WATLOW Series 920 User's Manual 61