-
- 7 -
9. SPECIFICATIONS
Mechanical
Mounting ........................................................................................ 35 mm DIN rail per EN50 022
Dimensions.................................................. 22.5 x 103 x 128 mm (0.9” x 4.1” x 5.0
”
) W x H x D
Weight ....................................................................................................................... 140 g (5 oz)
Connectors .............................................................. Detachable plug-in screw-clamp connectors
Wire Size..........................................................................................28-12 AWG, 2.5 sq. mm max
Signal Input
Signal Type ........................................................4-20 mA, 1-5V, 0-5V, 0-10V (jumper selectable)
Input Resistance ............................. 50
Ω
for 4-20 mA, 500 k
Ω
for 1-5V & 0-5V, 1 M
Ω
for 0-10V
Transmitter Excitation....................................................................... 24 Vdc nominal, 30 mA max
Signal Outputs
Number of Outputs ......................................................................................................................4
Signal Type ...................................................................................................................... 4-20 mA
Zero & Span Adjustment............................... ± 10% for each output with 25-turn potentiometers
Signal Isolation .................................................................................. Please see graph on page 6
Voltage Compliance ......................................................................12V (600
Ω
per loop at 20 mA)
Load Regulation...................................................................... ± 0.005% of span from 0 to 600
Ω
Accuracy .....................................................................................± 0.02% max span error at 23°C
Span Tempco............................. ± 10 ppm/ºC (0.16 µA/ºC) typical, ± 25 ppm/ºC (0.4 µA/ºC) max
AC Rejection ............................................................................................ 90 dB from DC to 60 Hz
Response Speed ..................................... 2 ms risetime, 7 ms settling time to 0.1% of final value
Current Test Point........................................ 10
Ω
± 0.5% series resistor drops 200 mV at 20 mA
Loop Continuity Indication ........ Yellow LED lamp per loop, brightness increases with current
Power Input
Standard Power (QLS-1) ................. 85-264 Vac or 90-300 Vdc (DC operation not UL approved)
Low Power Option (QLS-2) .....................................................................10-48 Vdc or 12-32 Vac
Power Frequency .................................................................................................. DC or 47-63 Hz
Power Isolation...................................................... 250V rms working, 2.3 kV rms per 1 min test
Power Consumption ..........................................................3.5 W max, all loops delivering 20 mA
Power On Indication ............................................................................................ Green LED lamp
Environmental
Operating Temperature ............................................................................................-40°C to 70°C
Storage Temperature ...............................................................................................-40°C to 85°C
Relative Humidity........................................................................... 95% at 40°C, non-condensing
Cooling Required ....................................... Mount units with ventilation holes at top and bottom.
Leave 6 mm (1/4") between units, or force air with a fan.