Watlow D4T Data Logger
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Chapter 6 Appendix
Data Logging
• User selectable parameters: Up to a maximum of 128 active
parameters depending on configuration
• Logging interval: Programmable increments between 0.1 seconds and 60 minutes if
logging to internal memory. Logging directly to USB; 1.0 seconds to 60 minutes
• File types: .CSV for standard data logging or proprietary format for encrypted data
log option
• Storage: 80MB internal memory or to USB memory stick
• File transfer: Internal memory to USB host port or to Ethernet
Modbus
®
TCP
• Transfer options: On demand by user or user programmable based on when a new
data log file record is available. Utilizes TFTP and Samba protocols
• Record: Date and time stamped
Batch Processing with Bar Code Data Entry Via USB Scanner
• Compatible with many bar code types including Code 128, Code 39, Extended Code
39, Data Matrix, Interleaved 2 of 5, ISSN, SISAC, LOGMARS, QR, UCC/EAN-128
(GS1-128, UPC-A & E)
• Compatible with most USB scanner types such as Zebra DS4308, DS2208, LI2208 and
LS2208
• USB port provides 500mA max. power supply for bar code scanner/base charging
• Display can show bar code fields up to a maximum length of 48 characters.
Characters might wrap to 2 rows after 24 characters
• Program the bar code scanner to add an enter key (carriage return feed) at the end
of each bar code data field sent to F4T/D4T. Refer to USB scanner user manual.
Trending
• 4 user programmable charts
• 6 pens available per chart
• View analog sensors and process values
Real Time Clock and Battery Backup
• Accuracy (typical): ± 3ppm over 5°F (-15°C) to 122°F (50°C)
• Battery type: lithium, field replaceable (Watlow part #: 0830-0858-0000) (recycle
properly)
• Typical battery life: 10 years at 77°F (25°C)
Number of Function Blocks by Ordering Option
Function Block
Basic
Set 1
Set 2
Alarm
6
8
14
Compare
None
4
16
Counter
None
4
16
Linearization
4
4
8
Logic
None
12
24
Math
None
12
24
Process Value
4
4
8
Special Output Function
(including compressor)
None
2
4
Timer
None
6
16
Variable
4
12
24