Product Description
Product Overview
| Field | Details |
|---|---|
| Manufacturer | Honeywell Analytics |
| Part Number | 05704-A-0144 |
| Product Type | 4 Channel Control Card, Catalytic for System 57 |
| Function | Monitors and controls catalytic gas sensors for flammable gas detection |
| System Compatibility | System 57 Gas Detection System |
Functional Specifications
| Feature | Specification |
|---|---|
| Channel Count | 4 channels (catalytic sensor inputs) |
| Input Type | Catalytic bead sensors (bridge-type) |
| Display Options | Automatic sequencing, highest reading, combined, or manual channel selection |
| Display | Backlit LCD with bargraph, peak readings, numeric, and alphanumeric data |
| Alarm Handling | Configurable A1, A2, A3 alarms per channel; supports master, zone, and voted alarms |
| Diagnostics | Sensor performance checking, earth leakage fault detection |
| Output Options | Plug-in output options via relay interface cards (e.g., 05704-A-0121) |
| Configuration | Fully configurable via front panel or engineering interface |
| Safety Integrity | Suitable for SIL 2 applications per IEC 61508 |
Electrical Specifications
| Parameter | Specification |
|---|---|
| Input Voltage | Powered via System 57 rack (24 VDC nominal, 18-32 VDC range) |
| Power Consumption | 5 W typical |
| Sensor Supply | Bridge supply for catalytic sensors (constant current/voltage) |
| Signal Output | Compatible with 4-20 mA outputs via relay or interface cards |
| Front Panel Indicators | LEDs for CH1-4 (A1, A2, A3, Fault, Inhibit), Card Fault, Update Alarm, Alarm Test, Power |
Environmental Specifications
| Parameter | Specification |
|---|---|
| Operating Temperature | 0°C to 55°C (32°F to 131°F) |
| Storage Temperature | -20°C to 70°C (-4°F to 158°F) |
| Relative Humidity | Operating: 10% to 90% non-condensing; Storage: 5% to 95% non-condensing |
Physical Specifications
| Parameter | Specification |
|---|---|
| Mounting | Plugs into System 57 rack (1-inch wide slot) |
| Weight | 0.4 kg (approximate) |
| Status Indicators | LEDs for channel status, alarms, and power |
| Front Panel Controls | Pushbuttons for Alarm Reset and Card Selection |