Watlow Electric Series 96 Manual De Usuario

Specifications

Controller
• Microprocessor-based, user selectable control modes
• Heat and cool auto-tune for control outputs
• Universal input 1, auxiliary input 2, 4 outputs
• Control outputs user selectable as on-off, P, PI, PID
• Input sample period; Single input 10Hz (100 ms), dual

input 5Hz (200 ms) adjustable digital filter

• Display update; 2Hz (500 ms), adjustable digital filter
• Output update; burst, 0.1 to 999.9 seconds
• Input/Output/Communication isolation
• Displayed in °C, °F, or process units

Operator Interface
• Dual 4-digit LED displays: upper 10.2 mm (0.4 in.),

lower 6.2 mm (0.244 in.)

• Advance, Up Arrow, Down Arrow, Infinity tactile keys

Standard Conditions For Specifications
• Ambient temperature 25°C/77°F ±3°C, rated line

voltage, 50 to 60Hz, 0 to 90 percent RH
non-condensing, 15 minute warm-up

Universal Input 1
Thermocouple
• Type J, K, T, N, C (W5), E, Pt 2, D (W3), B, R, S

thermocouple types

• >20M

Ω input impedance

• Maximum 20

Ω source resistance

• 30µA open detection bias

RTD
• 2- or 3-wire platinum, 100

• JIS and DIN curves
• Whole or tenth degree indication
• 150µA nominal RTD excitation current

Process
• Range selectable: 0-10VÎ(dc), 0-5VÎ(dc),

1-5VÎ(dc), 0-20mA, 4-20mA,

• Voltage input impedance 20k

• Current input impedance 100

• Minimum current source resistance 1M

• Input resolution 50,000 bits (approx.) at full scale
• mV input impedance 20M

Input 2
Event Input
• Contact or voltage
• 20K

Ω input impedance

• Voltage input: event high state 3 to 36VÎ(dc),

event low state 0 to 2VÎ(dc)

• Resistance/contact input: event high state > 23k

Ω,

event low state 0 to 2k

Remote Set Point Input: mA or VDC Range Selectable
• Voltage input impedance 20k

• Current input impedance 100

Output Types
Open Collector/Switched DC
• Open collector configuration:

Maximum voltage 42VÎ(dc)
Maximum current 200mA
Maximum “on” resistance 1.1

Maximum offstate leakage current 100µA

• Switched dc configuration:

Switched dc supply voltage 22 to 28VÎ(dc)
dc supply current limited to 30mA

Solid State Relay
• Optically isolated
• Zero cross switched
• Without contact suppression
• Minimum load current 0.5mA rms
• Maximum current 0.5A rms at 20 to 280VÅ(ac)
• Maximum offstate leakage current 10µA rms
• For resistive loads only, must use RC suppression for

inductive loads

Electromechanical Relay
• Form C contact configuration
• Minimum load current 10mA @ 5VÎ(dc)
• Rated resistive and inductive loads: 2A @ 250VÅ(ac)

or 30VÎ(dc) maximum

• Electrical life 100,000 cycles at rated current
• For resistive loads only, must use RC suppression for

inductive loads

Process
• Range selectable: 0-20mA, 4-20mA, 0-5VÎ(dc),

1-5VÎ(dc), 0-10VÎ(dc)

• Reverse or direct acting
• 0 to 10VÎ(dc) voltage output into 1000

Ω minimum load

resistance

• 0 to 20mA current output into 800

Ω maximum load

resistance

• Resolution:

dc ranges = 2.5mV nominal
mA ranges = 5µA nominal

• Calibration accuracy:

dc ranges = ±15mV
mA ranges = ±30µA

• Temperature stability 100ppm/°C

Retransmit
• Range selectable: 0-20mA, 4-20mA, 0-5VÎ(dc),

1-5VÎ(dc), 0-10VÎ(dc)

• 0 to 10VÎ(dc) voltage output into a 1,000

Ω minimum

load resistance

• 0 to 20mA current output into an 800

Ω maximum load

resistance

• Resolution:

dc ranges = 2.5mV nominal
mA ranges = 5µA nominal

• Calibration accuracy:

dc ranges = ±15mV
mA ranges = ±30µA

• Temperature stability 100ppm/°C