Function
The CC-TDOR01 module provides isolated dry contact outputs for discrete output applications. It is suitable for low voltage/current or high voltage/current scenarios. Each relay channel supports a Form-A (Normally Open, NO) or Form-B (Normally Closed, NC) configuration, selectable via jumpers.
Notable Features
- Galvanic Isolation:
- Ensures electrical separation between system logic and field outputs for enhanced safety.
- Socketed Relays:
- Simplifies maintenance by allowing easy relay replacement.
- Configurable Contacts:
- Jumper selection enables switching between NO and NC contacts per output.
- Counter EMF Snubbing Circuit:
- Protects against voltage spikes during relay switching.
- LED Indicators:
- Provides visual status for each channel’s ON condition.
Specifications
Models
Model |
Description |
CC-TDOR01 |
Non-Redundant, 6 inches |
CC-TDOR11 |
Redundant, 12 inches |
CC-SDOR01 |
Relay Extension, 12 inches |
Output Channels
- 32 isolated channels: Configurable as Form-A (SPST/NO) or Form-B (SPST/NC) contacts.
Electrical Characteristics
Parameter |
Specification |
Contact Type |
AgSnO2 |
Maximum Load Voltage |
250 VAC (RMS) / 125 VDC |
Maximum Load Current (Steady State) |
Depends on load type: |
|
– Resistive: |
|
– 3 A → 125/250 VAC. |
|
– 3 A → 30 VDC. |
|
– 1 A → 48 VDC. |
|
– 0.2 A → 125 VDC. |
|
– Inductive (Power Factor or L/R): |
|
– 2 A → 125/250 VAC (0.4 PF). |
|
– 1 A → 30 VAC (L/R = 100 ms). |
|
– 0.3 A → 48 VAC (L/R = 100 ms). |
|
– 0.1 A → 125 VAC (L/R = 100 ms). |
Minimum Load Voltage |
12 VDC |
Minimum Load Current |
100 mA |
Inrush Current (Max) |
10 A for 4 seconds at a 10% duty cycle. |
Performance
Parameter |
Specification |
Turn-On Time |
Maximum 20 ms |
Turn-Off Time |
Maximum 20 ms |
Contact Life |
– Mechanical: 5,000,000 cycles @ 180 cycles/min. |
|
– Electrical: 50,000 cycles @ 6 A (6 cycles/min). |
Isolation
- Channel-to-Channel and Channel-to-Logic Common:
- 1500 VAC RMS or ±1500 VDC.
Additional Features
- Surge Absorber for Coil:
- Each channel includes a 120 Ω + 0.033 µF circuit for protection.
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