Products Description
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Technical Specifications
| Parameter | Specification |
|---|---|
| Model | DC-PDIS51 |
| Type | Digital Input Module – Sequence of Events (SOE) |
| Input Channels | 32 |
| Input Voltage Range | 18 to 30 VDC |
| ON State Threshold | ≥13 VDC or ≥3 mA |
| OFF State Threshold | ≤5 VDC or ≤1.2 mA |
| Input Impedance | 4.2 kΩ |
| Input Scan Rate (PV) | Normal: 20 ms Low Latency: 5 ms |
| SOE Resolution | 1 ms |
| Isolation Voltage | 1000 VAC RMS or ±1000 VDC (channel to logic common) |
| Isolation Type | Optical |
| Delay (Filter + Isolation) | 5 ms ± 20% |
| Field Resistance for ON Condition | Max 300 Ω @ 15 VDC |
| Field Resistance for OFF Condition | Min 30 kΩ @ 30 VDC |
| Redundancy Support | Yes (using DC-TDIL61 IOTA) |
| Compatible IOTA Modules | DC-TDIL51 (Non-redundant, 9″) DC-TDIL61 (Redundant, 12″) |
| Dimensions | 63.5 x 124.46 x 307.34 mm |
| Weight | 0.5 kg |
FAQ
Frequently Asked Questions (FAQ)
Q1: What type of input signals does the DC-PDIS51 support?
A1: It accepts 24VDC discrete input signals and provides high-resolution time tagging for Sequence of Events (SOE) applications.
Q2: Does this module support redundant configurations?
A2: Yes. Redundancy can be achieved by installing a second IOM on the same IOTA, such as the DC-TDIL61.
Q3: What is the timestamp resolution for sequence of events?
A3: The module supports event timestamping with a 1 millisecond (1 ms) resolution.
Q4: What type of isolation is used for input channels?
A4: The inputs are optically isolated, rated at 1000 VAC RMS or ±1000 VDC relative to logic common.
Q5: Is external field power supported?
A5: Yes, the module supports both internal and external field power configurations without the need for marshalling power.
Q6: What is the acceptable input voltage range for operation?
A6: The operating voltage range for input signals is between 18 and 30 VDC.
Q7: Is there any input delay due to filtering or isolation?
A7: Yes. The total delay through the input filter and isolation is 5 ms ± 20%.
Q8: What are the typical applications for the DC-PDIS51 module?
A8: It is ideally used in control systems requiring accurate event logging, such as alarm monitoring, time-critical process tracking, and sequence verification.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
