Watlow Electric Series 97 user manual

Summary of the content on the page No. 1

SERIES 97
An Over-temperature
Limit Controller
With User Defined
Messages
Watlow’s SERIES 97 is a microprocessor-based controller
Features and Benefits
with a single input, second auxiliary input and four
Programmable messages
outputs. Input one is used to measure temperature from a
• Controller can be set up to display user
sensor. Input two can be utilized as a remote reset switch
programmed limit message
or a hardware lockout switch. With up to four outputs, the
NEMA 4X (IP65)
controller is

Summary of the content on the page No. 2

Specifications Controller Solid State Relay (cont.) • Microprocessor-based •Maximum current 0.5A rms at 20 to 280VÅ(ac) • Universal input 1, auxiliary input 2, 4 outputs •Maximum offstate leakage current 10µA rms • Input sample period; Single input 10Hz (100 msec), •For resistive loads only, must use RC suppression for dual input 5Hz (200 msec) digital filter adjustable inductive loads • Display update; 2Hz (500 msec), time filter adjustable Electromechanical Relay • Input/Output/Communication is

Summary of the content on the page No. 3

Thermocouple Inputs Allowable Operating Ranges • Calibration accuracy ±0.1 percent of span ±1˚C at Type J: 1.0 0 to 815°C or 32 to 1500°F standard conditions 0.1 0.0 to 815.0°C or 32.0 to 999.9°F Exceptions: Type K: 1.0 -270 to 1370°C or -454 to 2500°F Type T; 0.12 percent of span for -200°C to -50°C 0.1 -199.9 to 999.9°C or -199.9 to 999.9°F (-328°F to -58°F) Type T: 1.0 -270 to 400°C or -454 to 750°F Types R and S; 0.15 percent of span for 0°C to 100°C 0.1 -199.9 to 400.0°C or -199.9 to 750.0

Summary of the content on the page No. 4

Ordering Information SERIES 97 9 7 - - Microprocessor-based 1 ⁄16 DIN with universal input 1, thermocouple and RTD. Options include: software, power supply, input 2, four outputs and display color Power Supply A= 100-240Vı(ac/dc) B= 24-28Vı(ac/dc) Auxiliary Input 2 0= None 1= Event input Limit Output 1 D= Electromechanical relay, Form C, Panel Cutout 2A, without RC suppression 44.958 mm x 44.958 mm (1.77 in. X 1.77 in.) Alarm Output 2 52.070 mm (2.050 in.) A= Non