Manual

Model FP-624D
FP-624D Instruction Manual Rev. 1.2 Page 40 of 42
1000 ohms maximum loop load @ 24VDC
0mA All Fault Diagnostics
2mA In-Calibration
4-20mA 0-100% full-scale
22mA Over-range condition
Serial Output: RS-485 Modbus™ RTU
Baud Rate 9600 BPS (9600, N, 8, 1 Half Duplex)
Relay Outputs: Alarm 1, Alarm 2, and Fault
5A @ 250VAC
5A @ 30VDC
Status Indicators: 4-digit LED Display with gas concentration, full-script menu
Prompts for AutoSpan, AutoZero, Set-up Options, and Fault Reporting
Faults Monitored: Loop Fault, Input Voltage Fault, Zero Fault, Sensor Fault,
Processor Fault, Memory Fault, Calibration Fault(s)
4 LEDs for Alarm 1, Alarm 2, Fault, and Calibration
Cable Requirements: Power/Analog: 3-wire shielded cable
Maximum distance is 13,300 feet with 14 AWG
Serial Output: 2-wire twisted-pair shielded cable specified for RS-485 use
Maximum distance is 4,000 feet to last sensor
Mechanical Specifications
Length: 8 inches (200mm), including Splashguard
Width: 5.5 inches (140mm)
Weight: 2.7lbs (3.4Kg)
Mechanical Connection: ¾” Male NPT threaded connection
Electrical Connection: Eleven 14 gauge (maximum) wire terminal landings