Watlow SERIES F4 Specifications 1/4 DIN Ramping Controllers

Specifications

Universal Analog Inputs 1 (2 and 3 Optional)

• Updates rates, IN1 = 20Hz, IN2 and IN3 = 10HZ

Thermocouple

• Type J, K, T, N, E, C (W5), D (W3), PTII, R, S, B

• Input impedance 20MΩ

RTD

• 2- or 3-wire platinum, 100. 500 or 1000Ω

• JIS or DIN curves, 1.0 or 0.1 indication

Process

• Input resolution ≈50.000 bits at full scale

• Range selectable: 0-10VDC, 0-5VDC, 1-5VDC,

0-50mV, 0-20mA, 4-20mA

• Voltage input impedance 20KΩ

• Current input impedance 100Ω

Digital Inputs (4)

• Update rate = 10Hz

• Contact or dc voltage (36VDC max.)

• 10KΩ input impedance

Control Outputs (1A, 1B, 2A, 2B)

• Update rate = 20Hz

Open Collector/Switched dc

• Internal load switching (nominal):

Switched dc, 22 to 28VDC, limited @ 30mA

• External load switching (max.):

Open collector 42VDC @ 0.5A

Solid State Relay

• Zero switched, optically coupled, 0.5A @ 24VAC min.,

253VAC max.

Process Outputs (Optional Retransmit)

• Update rate = 1Hz

• User selectable 0-10VDC, 0-5VDC, 1-5VDC @

1KΩ min., 0-20mA, 4-20mA @ 800Ω max.

• Resolution:

dc ranges = 2.5mV nominal

mA ranges = 5μA nominal

• Calibration accuracy:

dc ranges = ±15mV

mA ranges = ±30μA

• Temperature stability 100ppm/°C

Alarm Outputs

• Output update rate 1Hz

• Electromechanical relay, Form C, 2A @ 30VDC or

240VAC max.

Digital Outputs (8)

• Update rate = 10Hz

• Open collector output

• Off = 42VDC max. @ 10μA

• On = 0.2VDC max. @ 50mA sink

• Internal supply: 5VDC, @ 80mA

Communications

EIA-232 and EIA-485 serial communications

with Modbus® RTU protocol

Safety and Agency Approvals

• UL®/C-UL® 916 listed, File #E185611

Process Control Equipment

• CE

• EN 61010-1

• EN 61326

• IP65 and NEMA 4X

Terminals

• Touch-safe, removable terminal blocks, accepts

12 to 22 gauge wire

Power

• 100-240VAC, -15%, +10%; 50/60Hz, ±5%

• 24-28VAC/VDC, -15%, +10% (order option)

• 39VA max. power consumption

• Data retention upon power failure via nonvolatile

memory (7 years for battery backed RAM)

• Sensor input isolation from input to input to output to

communication circuitry is 500VAC

Operating Environment

• 32 to 130°F (0 to 55°C)

• 0 to 90% RH, non-condensing

• Storage temperature: -40 to 158°F (-40 to 70°C)

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 ±10% with the following

exceptions:

Type T: 0.12% of span for -328 to -58°F (-200 to -50°C)

Types R and S: 0.15% of span for 32 to 212°F (0 to 100°C)

Type B: 0.24% of span for 1598 to 3092°F (870 to 1700°C)

• Accuracy span: Less than or equal to operating

ranges, 1000°F (540°C) min.

• Temperature stability: ±0.1°F/°F (±0.1°C/°C) rise in

ambient for thermocouples

±0.05°F/°F (±0.05°C/°C) rise in ambient for RTD

sensors

Displays

• Process: 5 digit, 7 segment LED, red

• Control interface display: 4-row, 20-character high

definition LCD green