Introduction
Applications
Features
Specifications
Ordering Information
Introduction 
The PCL-725 Relay Actuator and Isolated D/I Card provides eight electro-mechanical SPDT relays and eight opto-isolated digital inputs on a half-size card.
Its eight on-board SPDT relays are ideal for applications such as device ON/OFF control or low power switching. A red LED next to each relay signals its ON/OFF status for easy monitoring.
The PCL-725's eight opto-isolated D/I channels are ideal for digital input in noisy environment or with floating potentials.
You can configure each input channel individually by setting jumpers for either isolated or non-isolated input. An on-board DB-37 connector provides access to all input and output channels.
Applications
- Digital signal and contact status monitoring
- Industrial on/off control
- Signal switching
- External relay driving
Features
- Eight relay outputs
- Eight opto-isolated digital inputs
- LED relay status indicators
- Isolated or non-isolated digital inputs
- Male DB-37 matching connector included
Specifications
Isolated digital input
- Opto-isolator: 4N35
- Input channels: 8
- Input voltage: 5 V to 24 V
- Input resistance: 560 ohms / 1 W
- Input buffers: voltage comparators
- Threshold voltage: 1.5 VDC
- Breakdown voltage: 300 Vdc
Relay output
- Relay type: single-pole double-throw (SPDT, Form C)
- Output type: CH0 to CH3 with Normally Open and Normally Closed, CH4 to CH7 with Normally Open only
- Contact rating: 120 V, 0.5 A (AC) or 30 V, 1 A (DC)
- Breakdown voltage: 300 V AC/DC minimum
- Relay on time: 5 msec typical
- Relay off time: 5 msec typical
- Total switching time: 10 msec typical
- Insulation resistance: 100 M ohms minimum
- Life expectancy: > 500,000 operations at AC: 110 V/0.3 A, DC: 24 V/1.25 A
- Relay driver: 12 V @ 33 mA for each relay
General
- Dimensions: 5.75" x 3.75" (147 mmx 95 mm)
- I/O port address: Two consecutive bytes from hex 200 to 3F8
- Power consumption: 5V @ <0.2A; 12 V @ 33 mA for each relay, <0.27 A if all eight relays are energized
Ordering Information
PCL-725
- Relay Actuator and Isolated D/I Card, user's manual and one DB-37 male connector (P/N PCL-10437-0
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