Watlow F4T User Manual

Watlow F4T • 316 • Chapter 6 Appendix
Operating Range
Input Type Range Low Range High
J -210 °C 1200 °C
K -270 °C 1371 °C
T -270 °C 400 °C
N -270 °C 1300 °C
E -270 °C 1000 °C
R -50 °C 1767 °C
S -50 °C 1767 °C
B -50 °C 1816 °C
C 0 °C 2315 °C
D 0 °C 2315 °C
F (PTII) 0 °C 1343 °C
RTD (100 ohm) -200 °C 800 °C
RTD (1000 ohm) -200 °C 800 °C
mV -50 50
Volts 0 10
mAdc 0 20
mAac -50 50
Potentiometer, 1K
range
0 1200 ohms
Resistance, 5K range 0 5000 ohms
Resistance, 10K range 0 10000 ohms
Resistance, 20K range 0 20000 ohms
Resistance, 40K range
0 40000 ohms
1 Thermistor Input
Input Type
Max Error @
25 Deg C
Accuracy
Range Low
Accuracy
Range High
Units
Thermistor, 5K range ±5 0 5000 Ohms
Thermistor, 10K range ±10 0 10000 Ohms
Thermistor, 20K range ±20 0 20000 Ohms
Thermistor, 40K range ±40 0 40000 Ohms
• 0 to 40KΩ, 0 to 20KΩ, 0 to 10KΩ, 0 to 5KΩ
• 2.252KΩ and 10KΩ base at 77°F (25°C)
• Linearization curves built in
• Third party Thermistor compatibility requirements
Base R @ 25C Alpha Techniques Beta THERM YSI
2.252K Curve A 2.2K3A 004
10K Curve A 10K3A 016
10K Curve C 10K4A 006

Watlow F4T Specifications

General

Inputs	Thermocouple, RTD, mA, V
Outputs	Relay, SSR, mA, V
Communication	Ethernet, Modbus RTU
Data Logging	Yes
Certifications	CE, UL, cUL, RoHS
Control Modes	PID, On/Off
Power Supply	100 to 240 VAC
Operating Temperature	0 to 50°C
Enclosure Rating	IP65
Display	4.3 in. (109 mm) color touch panel LCD
Control Loops	Up to 4