User Manual

A.6 ■ Appen dix Watlow Se rie s F4 S/D
Universal Analog Inputs 1 (2 and 3 optional)
• Update rates, In1: 20Hz; In2 and In3: 10Hz
Thermocouple
• Type J, K, T, N, C (W5), E, PTII, D (W3), B, R, S
RTD
• 2- or 3-wire platinum, 100 
• JIS or DIN curves, 1.0 or 0.1 indication
Process
• Input resolution  50,000 bits at full scale
• Range selectable: 0 to 10VÎ (dc), 0 to 5VÎ (dc), 1 to
5VÎ (dc), 0 to 50mV, 0 to 20 mA, 4 to 20 mA
• Voltage input impedance 20 k
• Current input impedance 100 
Digital Inputs (4)
• Update rate: 10 Hz
• Contact or dc voltage (36 VÎ (dc) maximum)
• 10 k input impedance
Control Outputs (1A, 1B, 2A, 2B)
• Update rate: 20 Hz
Open Collector/Switched DC
• Internal load switching (nominal):
Switched dc, 22 to 28VÎ (dc), limited @ 30 mA
• External load switching (maximum):
Open collector 42VÎ (dc) @ 0.5 A
Solid-state Relay
• Zero switched, optically coupled, 0.5 A @
24VÅ (ac) minimum, 253VÅ (ac) maximum
Process Outputs (Optional Retransmit)
• Update rate: 1 Hz
• User-selectable 0 to 10VÎ (dc), 0 to 5VÎ (dc),
1 to 5VÎ (dc) @1 k min., 0 to 20 mA, 4 to 20 mA @
800  max.
• Resolution:
dc ranges: 2.5mV nominal
mA ranges: 5 µA nominal
• Calibration accuracy:
dc ranges: ±15 mV
mA ranges: ±30 µA
• Temperature stability 100ppm/°C
Alarm Outputs
• Output update rate1 Hz
• Electromechanical relay, Form C, 2 A @
30VÎ (dc) or 240VÅ (ac) maximum
Digital Outputs (8)
• Update rate: 10 Hz
• Open collector output
• Off: 42VÎ (dc) max @ 10 µA
• On: 0.2VÎ (dc) max @ 50 mA sink
• Internal supply: 5VÎ (dc), @ 80 mA
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 EMC to EN 61326
• CE Safety to EN 61010
• IP65 and NEMA 4X
Terminals
• Touch-safe, removable terminal blocks, accepts 12- to
22-gauge wire
Power
• 100 to 240VÅ (ac), -15%, +10%; 50/60Hz, ±5%
• 39VA maximum power consumption
• Data retention upon power failure via nonvolatile
memory (seven years for battery-backed RAM).
Sensor input isolation from input to input to output to
communication circuitry is 500VÅ (ac).
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 -200°C to -50°C
Types R and S, 0.15% of span for 0°C to 100°C
Type B, 0.24% of span for 870°C to 1700°C
• Accuracy span: Less than or equal to operating ranges,
1000°F (540°C) minimum
• 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
• Update rate: 2 Hz
• Process: 5, seven-segment LED red
• Control interface display: high-definition LCD green
Sensor Operating Ranges:
Type J: 32 to 1500°F or 0 to 815°C
Type K: -328 to 2500°F or -200 to 1370°C
Type T: -328 to 750°F or -200 to 400°C
Type N: 32 to 2372°F or 0 to 1300°C
Type E: -328 to 1470°F or -200 to 800°C
Type C: 32 to 4200°F or 0 to 2315°C
Type D: 32 to 4352°F or 0 to 2400°C
Type PTII: 32 to 2543°F or 0 to 1395°C
Type R: 32 to 3200°F or 0 to 1760°C
Type S: 32 to 3200°F or 0 to 1760°C
Type B: 32 to 3300°F or 0 to 1816°C
RTD (DIN):-328 to 1472°F or -200 to 800°C
RTD (JIS): -328 to 1166°F or -200 to 800°C
Process: 19999 to 30000 units
Sensor Accuracy Ranges:
Input ranges
Type J: 32 to 1382°F or 0 to 750°C
Type K: -328 to 2282°F or -200 to 1250°C
Type T: -328 to 662°F or -200 to 350°C
Type N: 32 to 2282°F or 0 to 1250°C
Type E: -328 to 1470°F or -200 to 800°C
Type C(W5) 32 to 4200°F or 0 to 2315°C
Type D(W3) 32 to 4352°F or 0 to 2400°C
Type PTII: 32 to 2540°F or 0 to 1393°C
Type R: 32 to 2642°F or 0 to 1450°C
Type S: 32 to 2642°F or 0 to 1450°C
Type B: 1598 to 3092°F or 870 to 1700°C
RTD (DIN): -328 to 1472°F or -200 to 800°C
RTD (JIS): -328 to 1166°F or -200 to 630°C
Process: -19999 to 30000 units
Specifications