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Tek-Trol Tek-LCD 7804A-AX0, NEMA 4X Modbus Scanner
Brand : Tek-Trol
$1,805.99
- SKU:
- Tek-LCD 7804A-AX0
Country of Origin: Made in the United States 
Tek-Trol Tek-LCD 7804A-AX0, NEMA 4X Modbus Scanner Technical Specs
Features
- Modbus Master, Slave, or Snooper Mode
- Scan up to 16 Modbus Process Variables
- 5-Digit Decimal or Feet & Inches Level Display
- On-Board Three-Wire RS-485 with Modbus
- Independent Scaling, Tag, and Unit for Each PV
- 7 Alphanumeric Character 0.4 (0.03 ft)
- Injection-Molded, IP65, NEMA 4X Enclosure
- SafeTouch Through-Window Button Programming
- Isolated 4-20 mA Output Option
- Pulse Input for Rate, Total, and Grand Total
- 13-Digit Totalizer with Total Overflow Feature
- Backlight Standard on All Models
- Automatic Rate, Total, and Grand Total Unit Conversions
- Operates from -40°C to 75°C (-40°F to 167°F)
- Data Logging Functions and Modbus Accessible Data
- Two Isolated Pulse Outputs Standard, Up to 5 kHz
Technical Specifications
Item
Modbus Scanner
Display Rate
Top Display: Five Digits (0 to 99999), 0.7" (0.05ft) high, 7-segment, automatic lead zero blanking.
Bottom Display: Seven Characters, 0.4" (0.03ft) high, 14-segment, automatic lead zero blanking.
Symbols: Total, grand total, high alarm, low alarm, SafeTouch button sleep mode/disable, password lock.
Display Range
Decimal: 0-99,999
Feet & Inches: up to 399 ft, 11 15/16 in
Resolution
1/16 or 1/8 fractional inch
Backlight
White LED with 10-second auto shutoff (disabled below -4°F / -20°C)
Power Input
9-30 VDC (max 2.2 W)
Update Rate
Above -4°F: Programmable (1-5 seconds)
Below -4°F: Updates every 10 seconds
Data Logging
Up to 512 records
Alarms
High/Low alarm indicators
Memory
Non-volatile memory (retains data for 10+ years)
Operating Temperature
-40°F to 158°F (-40°C to 75°C)
Enclosure
EMA 4X / IP65 polycarbonate, UV stabilized
