38 WATLOW Series 965 User's Manual Appendix
Specifications—(1460)
Control Mode
• Microprocessor-based, user selectable control modes
• Single input, dual output
• 2.5Hz Input Sampling Rate
• 1Hz Display Update Rate
• Ramp to set point: 0 to 9999 degrees or units per hour
• Heat and cool auto-tune
Agency Approvals
• UL and C-UL recognized, File #E43684, UL873
• CE approved
89/336/EEC Electromagnetic Compatibility Directive
EN 50081-2: 1994 Emissions
EN 50082-2: 1995 Immunity
73/23/EEC Low -Voltage Directive
EN 61010-1: 1993 Safety
• NEMA 4X
2
, I.P. 65 rating
Operator Interface
• Sealed membrane front panel
• Dual, four-digit red or green displays
• MODE, Up-arrow, Down-arrow, and AUTO/ MANUAL keys
• User selectable screen display
Accuracy
• Calibration accuracy and sensor conformity: ±0.1% of span,
±1 LSD @ 77°F ± 5°F (25°C ± 3°C) ambient and rated line
voltage
• Accuracy span: 1000°F (540°C) minimum
• Temperature stability: ±0.2°F/°F (±0.2°C/°C) rise in ambient
maximum
• Voltage stability: ±0.01% of span per percent of rated line
voltage
Sensors/Inputs
• Thermocouple, grounded or ungrounded sensors
• RTD 2- or 3-wire, platinum, 100Ω @ 0°C calibration to DIN
curve (0.00385Ω/Ω/°C) or JIS curve (0.003916Ω/Ω/°C); user
selectable
• Process, 4-20mA @ 5Ω, or 0-5VÎ (dc) @ 10kΩ input
impedance
• Sensor break protection de-energizes control output to
protect system or selectable bumpless transfer to manual
operation
• °F or °C or process units display, user selectable
Input Range
Specified temperature ranges represent the controller’s
operational span.
• Thermocouple
Type J 32 to 1382°F
(0 to 750°C)
Type K -328 to 2282°F
(-200 to 1250°C)
Type N 32 to 2282°F
(0 to 1250°C)
Type S 32 to 2642°F
(0 to 1450°C)
Type T -328 to 662°F
(-200 to 350°C)
• RTD Resolution (DIN or JIS)
1° -328 to 1292°F
(-200 to 700°C)
0.1° -199.9 to 999.9°F
(-128.8 to 537.7°C)
• Process
4-20mA @ 5Ω, or -999 to 9999 units
0-5VÎ (dc) @ 10kΩ, or -999 to 9999 units
Output 1 (Heating or Cooling)
• Electromechanical relay
1
, Form C, 5A @ 120/240V~ (ac)
maximum, without contact suppression, rated resistive load,
5A @ 30VÎ (dc)
3
.
• Switched dc signal provides a non-isolated minimum turn on
voltage of 3VÎ (dc) into a minimum 500Ω load; maximum on
voltage not greater than 12VÎ (dc) into an infinite load.
• 4-20mA reverse or direct acting, non-isolated 0 to 800Ω load.
• Solid-state relay
3
, Form A, 0.5A @ 24V~ (ac) min., 264V~
(ac) max., opto-isolated burst fire switched, without contact
suppression. Off-state output impedance is 31MΩ.
Output 2 (Heat, Cool or Alarm)
• Electromechanical relay
1
, Form C, 5A @ 120/240V~ (ac)
maximum, without contact suppression, rated resistive load,
5A @ 30VÎ (dc)
3
.
• Switched dc signal provides a non-isolated minimum turn on
voltage of 3VÎ (dc) into a minimum 500Ω load; maximum
on voltage not greater than 12VÎ (dc) into an infinite load.
• Solid-state relay
3
, Form A, 0.5A @ 24V~ (ac) min., 264V~
(ac) max., opto-isolated burst fire switched, without contact
suppression. Off-state output impedance is 31MΩ.
• Alarm output can be latching or non-latching, and process or
deviation with separate high and low values. Alarm silencing
(inhibit) on power up.
Output Configurations
• Output 1
User selectable as: on/off: P, PI, PD, PID, heat or cool action
• Adjustable switching differential: 1 to 99°F (1 to 55°C)
• Proportional band: 0 (off) or 1 to 999°F (0 to 555°C) or 0.0 to
999.9 units
Integral: 0 (off) or 0.1 to 99.9 minutes per repeat
Reset: 0 (off) or 0.01 to 9.99 repeats per minute
Rate/derivative: 0 (off) or 0.01 to 9.99 minutes
Cycle time: 0.1 to 999.9 seconds
• Output 2
User selectable as: Control with action opposite that of Output
1 (heating or cooling)
• Process or deviation alarm with flashing alarm message
• Process or deviation alarm without alarm message
• Alarm with separate high and low set points
• Hysteresis: 1 to 9999° or units switching differential
Line Voltage/Power
• 100-240V~ (ac), +10%, -15%; (85-264V~ [ac]) 50/60Hz, ±5%
•12-24Vı (ac/dc), +10%, -15%; (10-26Vı [ac/dc]) 50/60Hz,
±5%
• Fused internally (factory replaceable only) Slo-Blo® type
(time-lag):
1A, 250V for high voltage versions
2A, 250V for low voltage versions
• Power consumption 5VA maximum
• Data retention upon power failure via non-volatile memory
Operating Environment
• 32 to 149°F (0 to 65°C)
• 0 to 90% RH, non-condensing
Storage Temperature
• -40° to 185°F (-40° to 85°C)
Terminals
• #6 compression universal head screw terminals, accepts 20-
14 gauge wire
Controller Weight
• 0.4 lb (0.2 kg)
Shipping Weight
• 0.75 lb (0.34 kg)
Dimensions
• Compact 1⁄16 DIN size and NEMA 4X
2
, (I.P. 65) front panel
make the Series 965 easy to apply and maintain in a wide
variety of applications. Unique mounting bezel, gasket and
collar make installation a snap.
Overall Height: 2.1 inches (55 mm)
Width: 2.1 inches (55 mm)
Depth: 4.7 inches (120 mm)
Bezel Height: 2.1 inches (55 mm)
Width: 2.1 inches (55 mm)
Depth: 0.6 inches (15 mm)
Chassis Height: 1.8 inches (45 mm)
Width: 1.8 inches (45 mm)
Depth: 4.1 inches (105 mm)
1
Electromechanical relays warranted for 100,000 closures
only. Solid-state switching devices recommended for
applications requiring fast cycle times or extended service
life.
2
To effect NEMA 4X (I.P. 65) rating requires a minimum
mounting panel thickness of 0.06inch (1.5 mm) and surface
finish not rougher than 0.000032 inch (0.000812 mm).
3
Switching inductive loads (relay coils, etc.) requires using an
RC suppressor.
Specifications
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