EasyManuals Logo

Watlow F4T User Manual

Watlow F4T
331 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #326 background imageLoading...
Page #326 background image
Watlow F4T 323 Chapter 6 Appendix
4 Thermistor Inputs
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
3 Universal Process/Retransmit Outputs
Universal process/retransmit, Output range selectable:
- 0 to 10V Î(dc) into a min. 4,000load
- 0 to 20mA into max. 800load
Resolution
- dc ranges: 2.5mV nominal resolution
- mA ranges: 5 µA nominal resolution
Calibration Accuracy
- dc ranges: ±15 mV
- mA ranges: ±30 µA
Temperature Stability
- 100 ppm/°C
3 Mechanical Relay Outputs
2 Form C relays, 1 Form A relay. Form A shares common with 1 Form C relay
Each relay is rated at 5A, 24 to 240VÅ (ac) or 30VÎ (dc)max., resistive load, 100,000
cycles at rated load. Requires a min. load of 20mA at 24V, 125 VA pilot duty
4 Mechanical Relay Outputs
Form A, 5A each, 24 to 240VÅ (ac) or 30VÎ (dc)max., resistive load, 100,000 cycles
at rated load. Requires a min. load of 20mA at 24V, 125 VA pilot duty
2 Solid-State Relays
Form A, 10A max. each SSRs combined at 24VÅ (ac) min., 264VÅ (ac) max., opto-
isolated, without contact suppression, max. resistive load 10A per output at 240V
Å
(ac), max. 20A per card at 122°F (50°C), max.
12A per card at 149°F (65°C)

Table of Contents

Other manuals for Watlow F4T

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Watlow F4T and is the answer not in the manual?

Watlow F4T Specifications

General IconGeneral
InputsThermocouple, RTD, mA, V
OutputsRelay, SSR, mA, V
CommunicationEthernet, Modbus RTU
Data LoggingYes
CertificationsCE, UL, cUL, RoHS
Control ModesPID, On/Off
Power Supply100 to 240 VAC
Operating Temperature0 to 50°C
Enclosure RatingIP65
Display4.3 in. (109 mm) color touch panel LCD
Control LoopsUp to 4

Related product manuals