Manual
A.5 ■ Appendix Watlow Series 96
Output Types
Open Collector/Switched DC
• Open collector configuration:
Maximum voltage 42VÎ (dc)
Maximum current 200mA
Maximum “on” resistance 1.1Ω
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 1,000Ω minimum load
resistance
• 0 to 20mA current output into 800Ω 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 1,000Ω minimum load
resistance
• 0 to 20mA current output into an 800Ω maximum load
resistance
• Resolution: 
dc ranges = 2.5mV nominal
mA ranges = 5µA nominal
• Calibration accuracy:
dc ranges = ±15mV
mA ranges = ±30mA
• Temperature stability 100ppm/°C
Specifications
(2200)
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 msec), dual input
5Hz (200 msec) adjustable digital filter
• Display update; 2Hz (500 msec), adjustable digital filter
• Retransmit output update; 1 Hz (1 second)
• 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 0.4 in (10.2mm), lower 0.244
in (6.2mm)
• Advance, Up Arrow, Down Arrow, Infinity tactile keys 
Standard Conditions For Specifications
• Ambient temperature 77°F/25°C ±3°C, rated line voltage, 50 to
60Hz, 0 to 90% RH non-condensing, 
15-minute warm-up
Universal Input 1
Thermocouple
• Type J, K, T, N, C (W5), E, PTII, D (W3), B, R, S thermocouple
types 
• >20MΩ input impedance
• Maximum 20Ω source resistance
• 30µA open detection bias
RTD
• 2- or 3-wire platinum, 100Ω
• 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 20kΩ
• Current input impedance 100Ω
• Minimum current source resistance 1MΩ
• Input resolution 50,000 bits (approx.) at full scale
• mV input impedance 20MΩ
Input 2
Event Input
• Contact or voltage 
• 20KΩ input impedance
• Voltage input: event high state 3 to 36VÎ (dc), 
event low state 0 to 2VÎ (dc)
• Resistance/contact input: event high state > 23kΩ, event low
state 0 to 2kΩ
Remote Set Point Input: mA or DC Range
Selectable
• Voltage input impedance 20kΩ
• Current input impedance 100Ω










