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Precision Digital Corporation PDA1500 Series, Инструкция по эксплуатации

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Model PDA1500 Logic Level Converter 

Instruction Manual 

7

 

DIGITAL 
OUTPUTS 

Four TTL Logic (5V) independent digital outputs. 
 

OUTPUT LOGIC 
LEVELS 

Output Low:  

0 to 0.33 V 

Output High: 

4.4 to 5.0 V 

CASCADE MODE 

Typically used in Boiler applications to monitor for and detect 
fault conditions. See page 19 for details.

 

   

 

POWER 

12-24 VDC 

 10%, 1.5 W max. Polarity sensitive. Short-circuit 

protected. Isolated. 

MAX POWER 
DISSAPATION 

PDA1500-115:  3W (total dissipation of unit) 

PDA1500-230:  4W (total dissipation of unit) 

ISOLATION 

630 VRMS between input channels; 3750 VRMS input-to-
power line; 3750 VRMS input-to-output; 1000 VRMS output-to-
power line 

OVERVOLTAGE 

Maximum overvoltage (transient) allowable is 6000 Vpeak for 
60 seconds.

 

ENVIRONMENTAL 

Operating temperature range: 0 to 65°C 
Storage temperature range: 0 to 65°C 
Relative humidity: 0 to 90% non-condensing 

CONNECTIONS 

Fixed screw terminal blocks accept 12 to 30 AWG solid or 
stranded wire 

ENCLOSURE 

Din rail mountable ABS plastic enclosure 

Color: black 

DIN RAIL 
SPECIFICATION 

35mm “top hat” DIN rail required 

TIGHTENING 
TORQUE 

Screw terminal connectors: 4.3 lb-in (0.56 Nm) 

OVERALL 
DIMENSIONS 

3.00" x 3.63" x 2.38" (76.3 mm x 92.3 mm x 60.5 mm) 
(W x H x D) 

WEIGHT 

12 oz (340.2 g) 

WARRANTY 

3 years parts & labor 

Содержание PDA1500 Series

Страница 1: ...ine with the Vigilante II Annunciator to Monitor High Voltages Four High Voltage Inputs Up to 265 VAC or VDC Four Digital 5 VDC Outputs Easy DIN Rail Mounting Simple Two Button Setup Cascade Mode for Series Break Configurations Multi Unit Cascade Mode Order from C A Briggs Company 622 Mary Street Suite 101 Warminster PA 18974 Phone 267 673 8117 Fax 267 673 8118 Sales cabriggs com www cabriggs com ...

Страница 2: ...onal injury or property loss Anyone using this product for such applications does so at his her own risk Precision Digital Corporation shall not be held liable for damages resulting from such improper use Limited Warranty Precision Digital Corporation warrants this product against defects in material or workmanship for the specified period under Specifications from the date of shipment from the fa...

Страница 3: ...verter from the DIN Rail 10 CONNECTIONS SETUP 11 Wiring Connections 11 Connector Markings 12 Power Connections 13 Input Signal Connections 13 Digital Output Connections 14 Cascade Mode Multiple Unit I O Connections 14 Mode Selection Latching Pushbuttons 15 Normal Cascade Mode ON OFF Button 15 Output H L Inverter Mode 16 LED INDICATORS 17 OPERATION 18 Normal Mode 18 Inverted Mode 18 Cascade Mode 19...

Страница 4: ...4 Figure 6 Normal Mode ON OFF Cascade Mode Switch 15 Figure 7 Inverted H L Switch Set to Low 16 Figure 8 Dimensions Front View 22 Figure 9 Dimensions Side View 22 Table 1 Normal and Inverse Operation Logic 18 Table 2 Cascade Mode Operation Logic Example 1 19 Table 3 Cascade Mode Operation Logic Example 2 19 Table 4 Inverted Cascade Mode Operation Logic Example 1 20 Table 5 Inverted Cascade Mode Op...

Страница 5: ...the point of failure when a failure in a single input causes a failure in all alarm points in a series system The PDA1500 is mounted in an ABS plastic DIN rail mounted enclosure for easy mounting inside a panel or instrument enclosure ORDERING INFORMATION Model Description PDA1500 115 85 130 VAC or VDC to Logic Level Converter PDA1500 230 185 265 VAC or VDC to Logic Level Converter Recommended Ass...

Страница 6: ...tage levels are different for AC and DC voltages Instantaneous value is used to determine threshold for AC input RMS equivalents are shown below PDA1500 115 Input High Threshold Range 60 VAC RMS 85 VAC peak or 85 VDC 5 Input Low Threshold Range 31 VAC RMS 44 VAC peak or 44 VDC 5 PDA1500 230 Input High Threshold Range 131 VAC RMS 185 VAC peak or 185 VDC 5 Input Low Threshold Range 66 VAC RMS 94 VAC...

Страница 7: ...S between input channels 3750 VRMS input to power line 3750 VRMS input to output 1000 VRMS output to power line OVERVOLTAGE Maximum overvoltage transient allowable is 6000 Vpeak for 60 seconds ENVIRONMENTAL Operating temperature range 0 to 65 C Storage temperature range 0 to 65 C Relative humidity 0 to 90 non condensing CONNECTIONS Fixed screw terminal blocks accept 12 to 30 AWG solid or stranded ...

Страница 8: ...at wiring connections Installation and service should be performed only by trained service personnel INSTALLATION There is no need to open the converter housing to complete the installation wiring and setup of the meter Unpacking Remove the converter from the packing box Inspect the packaging and contents for damage Report damages if any to the carrier If any part is missing or the converter malfu...

Страница 9: ...rance above and below the PDA1500 on the installation back panel for wiring Snap On Mounting Method The converter may be snap fit onto a DIN rail The design of the mounting tab allows for tool free mounting WARNING Hazardous voltages exist within enclosure and at wiring connections Installation and service should be performed only by trained service personnel 1 Hook the upper part of the converter...

Страница 10: ...high voltage is present on the input channel wires by disconnecting power to those circuits 2 Do not proceed while the converter is powered on 3 Disconnect any wiring necessary to remove the converter 4 Locate the DIN rail mounting tab on the lower side of the converter It is located just behind the high voltage input lines 5 Insert a small slotted screwdriver or similar tool into the mounting tab...

Страница 11: ...pper wire with 60 C or 60 75 C insulation for all line voltage connections Observe all safety regulations Electrical wiring should be performed in accordance with all applicable national state and local codes to prevent damage to the converter and ensure personnel safety WARNING Hazardous voltages exist within enclosure and at wiring connections Installation and service should be performed only by...

Страница 12: ...re 1 Connector Markings Group Label Description OUTPUTS 1 to 4 Digital output 1 to 4 OUTPUTS G Digital output common I O I Multi unit Cascade Mode input I O O Multi unit Cascade Mode output PWR DC power positive terminal PWR DC power negative terminal MODE H L Location of Inverted Mode switch MODE ON OFF Location of Cascade Mode switch CH1 to CH4 Channel 1 to 4 high voltage input positive CH1 to C...

Страница 13: ...wn by the and symbols Figure 2 Power Connections Input Signal Connections High voltage input channel 1 4 signal connections are made to the terminals labeled CH1 CH2 CH3 and CH4 on Figure 3 WARNING Hazardous voltages exist within enclosure and at wiring connections Installation and service should be performed only by trained service personnel Figure 3 High Voltage Input Channel Connections ...

Страница 14: ...ure 4 Digital Output Connections Cascade Mode Multiple Unit I O Connections When using Cascade Mode see page 19 I O terminals I and O shown in Figure 5 may be used to link together multiple converters and provide additional inputs and outputs for monitoring An unlimited number of units may be connected in this way To connect multiple units in Cascade Mode connect terminal O on the first converter ...

Страница 15: ...or Inverter Mode Normal Cascade Mode ON OFF Button To activate Cascade Mode see page 19 press the latching pushbutton located in the terminal opening labeled MODE ON OFF Normal Mode operation is active when the button is in the forward position Cascade Mode is active when the button is latched into the recessed position as shown below For information on Normal Mode operation see page 18 For inform...

Страница 16: ... the Output H L button When the H L button is latched into the recessed position as shown below the output condition will be inverted When input channels CH1 CH4 detect high voltage the corresponding output will provide an active low When high voltage is not detected on an input the corresponding output will provide an active high signal Inverter Mode many be applied to Cascade outputs as well For...

Страница 17: ... Color Description POWER Green LED ON indicates unit is powered LIVE INPUTS 1 4 Red LED ON indicates high voltage is present on corresponding input channel CH1 CH4 INVERT Yellow LED ON if Inverted Mode is enabled low output when input high CASCADE Yellow LED ON if Cascade Mode is enabled ...

Страница 18: ...uts is the inverse of what they would be in Normal Mode The converter detects the presence of high voltage on input channels CH1 to CH4 If high voltage is present on an input channel the corresponding output 1 to 4 will be low If voltage is below the detection range on an input channel the corresponding output will be high Table 1 Normal and Inverse Operation Logic Input Voltage 1 CH1 CH4 LIVE INP...

Страница 19: ...f system failure without indicating every alarm state throughout the linked series interlock system Cascade mode utilizes exclusive NOR inverting OR logic Table 2 Cascade Mode Operation Logic Example 1 Input Channel Input Voltage 1 CH1 CH4 LIVE INPUTS LED OUTPUTS State 2 1 4 XNOR Logic CH1 High On Red High CH1 CH2 CH2 High On Red Low CH2 CH3 CH3 Low Off High CH3 CH4 CH4 Low Off High N A Table 3 Ca...

Страница 20: ...nput Channel Input Voltage 1 CH1 CH4 LIVE INPUTS LED OUTPUTS State 2 1 4 XOR Logic CH1 High On Red Low CH1 CH2 CH2 High On Red High CH2 CH3 CH3 Low Off Low CH3 CH4 CH4 Low Off Low N A Table 5 Inverted Cascade Mode Operation Logic Example 2 Input Channel Input Voltage 1 CH1 CH4 LIVE INPUTS LED OUTPUTS State 2 1 4 XOR Logic CH1 High On Red High CH1 CH2 CH2 Low Off Low CH2 CH3 CH3 Low Off Low CH3 CH4...

Страница 21: ...oss multiple units Multiple unit Cascade Mode may be used across an unlimited number of units Table 6 Multiple Unit Cascade Mode Operation Logic Unit Input Channel Input Voltage 1 CH1 CH4 LIVE INPUTS LED OUTPUTS State 2 1 4 XNOR Logic Unit 1 CH1 High On Red Low CH1 1 CH2 1 1 CH2 High On Red Low CH2 1 CH3 1 1 CH3 High On Red Low CH3 1 CH4 1 1 CH4 High On Red High CH4 1 CH1 2 2 CH1 Low Off Low CH1 2...

Страница 22: ...Model PDA1500 Logic Level Converter Instruction Manual 22 MOUNTING DIMENSIONS Units in mm Figure 8 Dimensions Front View Figure 9 Dimensions Side View ...

Страница 23: ...ntered the following tips may prove useful Symptom Check Action No LEDs are ON or outputs present Check power at power connector Digital outputs behave in an unexpected manner Check the status of the Inverted Mode H L button and Cascade Mode ON OFF button When high voltage is present on an input no LIVE INPUT LED or output condition changes Check the model number and verify the input voltage range...

Страница 24: ...cal Support please Call 800 610 5239 or 508 655 7300 Fax 508 655 8990 Email support predig com For Sales Support or to place an order please contact your local distributor or Call 800 343 1001 or 508 655 7300 Fax 508 655 8990 Email sales predig com For the latest version of this manual please visit www predig com ...

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