Specifications – Watlow Series V4 User Manual
Page 19
Specifications
(1465)
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 operator interface
Operator Interface
• Sealed membrane front panel
• Dual, four-digit red or green displays
•
‰
Advance,
¿
Up-arrow,
¯
Down-arrow, and
ˆ
Infinity keys
• User selectable screen display
Accuracy
• Calibration accuracy and sensor conformity: ±0.1%
of span, ±1°C @ 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
Sensors/Inputs
• Thermocouple, grounded or ungrounded sensors
• RTD 2- or 3-wire, platinum, 100
Ω
@ 0°C calibration
to DIN curve (0.00385
Ω
/
Ω
/°C) or JIS curve
(0.003916
Ω
/
Ω
/°C); user selectable
• Process, 4-20mA @ 5
Ω
, or 0-5V
Î
(dc) @ 10k
Ω
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
or
0
to
750°C
Type K
-328 to 2282°F
or
-200
to 1250°C
Type N
32 to 2282°F
or
0
to 1250°C
Type S
32 to 2642°F
or
0
to 1450°C
Type T
-328 to
662°F
or
-200
to
350°C
• RTD Resolution (DIN or JIS)
1°
-328 to 1292°F
or
-200
to
700°C
0.1°
-199.9 to 999.9°F
or -128.8
to 537.7°C
• Process
4-20mA @ 5
Ω
or
-999 to 9999 units
0-5V (dc) @ 10k
Ω
or
-999 to 9999 units
Output 1 (Heating or Cooling)
• Electromechanical relay1. Form C, rated at 8A @
125V~ (ac) or 5A @ 240V~ (ac) or 5A @ 30V
Î
(dc),
max. at resistive load, without contact suppression.
Max. switching current is 10A, max. switching power
is 2500VA, and max. switching voltage is 277V~
(ac) or 110V
Î
(dc).
• Switched dc signal provides a non-isolated minimum
turn on voltage of 3V
Î
(dc) into a minimum 500
Ω
load; maximum on voltage not greater than 12V
Î
(dc) into an infinite load.
• 4-20mA reverse or direct acting, non-isolated 0 to
800
Ω
load.
• Solid-state relay3, Form A, 0.5A @ 24V~ (ac) min.,
264V~ (ac) max., opto-isolated burst fire switched,
without contact suppression. Off-state output
impedance is 31M
Ω
.
Output 2 (Heat, Cool or Alarm)
• Electromechanical relay1. Form C, rated at 8A @
125V~ (ac) or 5A @ 240V~ (ac) or 5A @ 30V
Î
(dc),
max. at resistive load, without contact suppression.
Max. switching current is 10A, max. switching power
is 2500VA, and max. switching voltage is 277V~
(ac) or 110V
Î
(dc).
• Switched dc signal provides a non-isolated minimum
turn on voltage of 3V
Î
(dc) into a minimum 500
Ω
load; maximum on voltage not greater than 12V
Î
(dc) into an infinite load.
• Solid-state relay3, Form A, 0.5A @ 24V~ (ac) min.,
264V~ (ac) max., opto-isolated burst fire switched,
without contact suppression. Off-state output
impedance is 31M
Ω
.
• Alarm output can be latching or non-latching, and
process or deviation with separate high and low
values. Alarm silencing (inhibit) on power up (for
deviation alarms only).
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), -15%, +10%; (85-264V~ [ac])
50/60Hz, ±5%
• 14-24V
ı
(ac/dc), +10%, -15%; (12-26V
ı
[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
• Maximum power consumption: 12VA (100 to 240V~
[ac]), 7VA (12 to 24V
ı
[ac/dc])
• Data retention upon power failure via non-volatile
memory