Stimmen - 3, Durchschnittliche Bewertung: 4 ( )

Hersteller: Omega Vehicle Security Dateigröße: 397.19 kb Dateiname: Unterrichtssprache:

To help dissipate the heat, a free space of 2mm must be left available on both sides of the instrument. FIGURE 4 2 mm IMPORTANT - Opening the front cover may grant access to areas with dangerous voltages. Operations must be performed by qualified technical staff. Page 5 User’s Manual Series DRF 3-DIMENSIONS AND CONNECTIONS____________________________ Output Connections Input Connections CABLE SHIELD CONNECTIONS FOR CONNECTIONS FOR POTENTIOMETER RESISTANCE HOUSING WIDTH FOR AC POWERED 9mm (0.35’’) 93mm (3.66’’) INSTRUMENTS 22.5mm (0.87’’) DC POWERED 24 VDC ~ CONNECTIONS CONNECTIONS 110 mm (4.33’’) AC POWERED ~ 3 2 1 0 VDC 37mm (1.46’’) Page 6 User’s Manual Series DRF 4-SIGNAL INPUT JUMPERS___________________________________ The position of the input jumpers selects the range for the input signal as indicated below. DRF-POT Input signal ranges for Potentiometer measure 100% 50% 25% 12.5% J7 J7 J8 J8 J9 J9 J10 J10 J11 J11 J12 J12 DRF-RES Input signal ranges for Resistance measure 10 KOhms 5 KOhms 3 KOhms J7 J8 J9 J10 J11 J12 1,5 KOhms J7 J8 J9 J10 J11 J12 Page 7 User’s Manual Series DRF 5-SIGNAL OUTPUT JUMPERS___ The position of the output jumpers selects the range for the output signal as indicated below. 4/20 mA 0/20 mA 0/10 VDC 0/1 VDC J1 J2 J3 J4 J5 J6 IMPORTANT - Opening the front cover may grant access to areas with dangerous voltages. Operations must be performed by qualified technical staff. 6-READJUSTING INPUT / OUTPUT To change the input/output relation of the instrument, proceed as indicated below : (Following values in brackets are examples for readjusting the input/output relation of the instrument to 0/100% = 0/10 Vdc and input type potentiometer) 1.- Open the front cover 2.- Select the required input jumpers (Section 4, page 6) 3.- Select the required output jumpers(Section 5, page 7) 4.- Connect a potentiometer to the input terminals (Section 3, page 5) 5.- Connect a multimeter to the output terminals (4 and 5 for mA or 4 and 6 for Vdc) 6.- Generate the low input signal (0%) Operate the OFFSET potentiometer, until the low output value is reached (0Vdc) 7.-Generate the high input signal (100%) Operate the SPAN potentiometer, until the high output value is reached (10Vdc) 8.- Repeat 6 and 7 to improve the accuracy until it reaches its specified value 9.- Close the front cover Page 8 User’s Manual Series DRF 7-TECHNICAL DATA_________________________________________ INPUT SIGNAL for POTENTIOMETER RANGES 0/100% 0/50% 0/25% 0/12.5% POTENCIOMETER VALUES Minimum 100 Ohms Maximum 1 MOhm POTENTIOMETER EXCITATION TO MEASURE 1 Vdc INPUT SIGNAL for RESISTANCE RANGES 0/10 KOhms 0/5 KOhms 0/3 KOhms 0/1.5 KOhms RESISTANCE EXCITATION TO MEASURE 0.2 mA MAXIMUM VOLTAGE ON INPUT TERMINALS 15 Vdc differential OUTPUT SIGNAL in Vdc RANGES 0/10Vdc 0/1Vdc Maximum Output 11Vdc aprox. Minimum Output -1Vdc aprox. Minimum Load .1KOhm OUTPUT SIGNAL in mA RANGES 0/20mA (4/20mA) Maximum Output 22mA aprox. Minimum Output -1.5mA aprox. Maximum Load .400 Ohms MATERIALS Box and Cover in Poliamide PA6 UL94 V2 blue color Terminals in Poliamide UL94 V-0 POWER SUPPLY DC Power 24Vdc±10% AC Power 230Vac ±10% 50/60 Hz 115Vac ±10% 50/60 Hz Consumption <3.8VA MECHANICAL DIMENSIONS DC Power 22.5x93x110 mm / 120 gr. AC Power 37.0x93x110 mm / 200 gr. DIN rail mounting (DIN46277, DIN EN 50022) 37.5x7.5 mm (1,38x0,3..) GALVANIC ISOLATION DC Powered Units Input - Output 3K5 (60 seconds) Power - Input 3K5 (60 seconds) Power - Output 1KV (60 seconds) AC Powered Units Input - Output 3K5 (60 seconds) Power - Input 3K5 (60 seconds) Power - Output 3K5 (60 seconds) Tested during 60 seconds (Vac TrueRMS, current leak <1mA). Levels also named STRENGTHENED ISOLATION, for systems with Polution Level 2 GENERAL SPECIFICATIONS Accuracy <0.2% F.S. Linearity <0.1% F.S. Thermal Drift 250 ppm/.C Typical Response-time <70mS (3Hz -3dB) (90% of signal) Warm-Up Time 15 minutes Connections Plug-in Screw Term. Max. Wire Section 2.5 mm2 Protection IP-30 Operating Temp. 0 to +60.C Storage Temp. -20 to +70.C Page 9 User’s Manual Series DRF 8-CAUTIONS, WARNINGS AND NOTES INSTALLATION POWER SUPPLY.-The power supply must PRECAUTIONS.-The installation and the be connected to the adequate terminals 1, future use of this unit must 2 and 3. The characteristics of the power be done by qualified supply are shown on the side label. Please personnel. The unit has not make sure that the unit is correctly AC (mains) switch, neither connected to a power supply of the correct internal protection fuse. It will be in operation as soon as power is connected. The voltage and frequency. Do not connect the unit to lines which are overloaded or which installation must incorporate an external mains switch with a protection fuse and also provide power to systems working on ONOFF cycles or inductive loads. the necessary devices to protect the operator and the process when using the unit to a control machine or process where injury to ATTENTION For instruments which are DC powered, personnel or d...

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