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HE693DAC420

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SKU 2178131  UPC 0349580520042

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MSRP $3995


Surplus New

$1550

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3 In Stock

3 Year warranty

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"Like New Condition"

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$1350

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1 In Stock

2 Year warranty

*What is Remanufactured?

"Avg. Repair - 2 Days"

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2 Year warranty

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The HE693DAC420 provides four analog output channels, with 14-bits of resolution, and 1500VAC (RMS) isolation channel-to-channel and channel-to-ground. The module converts digital values (0 to +32,000) residing in %AQ registers to analog current signals. The %AQ values are set by the ladder logic program in the PLC CPU. Each channel may be set to "default to 4/0mA" or "hold last state" when the PLC is taken out of RUN mode. The output mode of each channel may be set to 4-20mA or 0-20mA. 

Technical Specifications


Power Consumption 90mA @ 5VDC / 120mA @ 24VDC
Number of channels 4
Current Surge on Power-up 250mA for 10ms. @ 5VDC / 900mA for 30ms. @ 24VDC
I/O Required 4 %AQ
Output Range 4-20mA or 0-20mA
D/A Resolution 13 bits plus sign
Maximum Linearity Error 0.10% full scale (4 to 20mA range) / 0.15% full scale (0 to 20mA range)
Resolution (4-20mA mode) 2.0uA
Resolution (+/-20mA mode) 2.5uA
User Supplied Loop Voltage 3 - 32VDC
Load Impedance ≤ 1.1kohms @ 24V loop voltage
Common Mode Isolation 500VAC (RMS), +/- 2000VDC
Channel to Channel 1500VAC (RMS), +/- 2000VDC
Operating Temperature 0 to 60°C
Relative Humidity 5% to 95%, non-condensing

Technical Information

Power Consumption 90mA @ 5VDC / 120mA @ 24VDC
Number of channels 4
Current Surge on Power-up 250mA for 10ms. @ 5VDC / 900mA for 30ms. @ 24VDC
I/O Required 4 %AQ
Output Range 4-20mA or 0-20mA
D/A Resolution 13 bits plus sign
Maximum Linearity Error 0.10% full scale (4 to 20mA range) / 0.15% full scale (0 to 20mA range)
Resolution (4-20mA mode) 2.0uA
Resolution (+/-20mA mode) 2.5uA
User Supplied Loop Voltage 3 - 32VDC
Load Impedance ≤ 1.1kohms @ 24V loop voltage
Common Mode Isolation 500VAC (RMS), +/- 2000VDC
Channel to Channel 1500VAC (RMS), +/- 2000VDC
Operating Temperature 0 to 60°C
Relative Humidity 5% to 95%, non-condensing
  • Question: What is a HE693DAC420? Answer: The HE693DAC420 provides four analog output channels, with 14-bits of resolution, and 1500VAC (RMS) isolation channel-to-channel and channel-to-ground. The module converts digital values (0 to +32,000) residing in %AQ registers to analog current signals.
  • Question: What is the main power supply for the HE693DAC420? Answer: The main power source for the HE693DAC420 uses 90mA @ 5VDC   or 120mA @ 24VDC.
  • Question: How can I minimize capacitive loading and noise? Answer: Shielded, twisted-pair extension wiring offers the best noise immunity. 
  • Question: Where should the shields be connected to? Answer: If shielded wiring is used, a good earth ground connection is critical. If shields are connected at the module end, terminals 9, 10, 19 and 20 are used as the shield ground point.
  • Question: Can I change the number of channels or the voltage on this device? Answer: Yes, you can. This is a 4 channel unit.
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