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FLM-420-NAC 信令设备接口模块
- FLM-420-NAC信令设备接口模块可以在本地SecurityNetwork LSN中监视和激活一组信令设备（NAC =通知设备电路）。 每个接口模块提供一条受监控的主缐路。 这意味着一条信号设备缐可以连接到LSN防火板。
- 旋转开关，用于自动或手动地址设置
- 通过极点反转控制信号装置
- 通过FLM-420-NAC信令设备接口模块同步激活连接到LSN模块的所有信号设备
- 通过LSN可选择十种不同的输出信号
- 由于两个集成的隔离器，在缐路中断或短路时保持LSN迴路功能
- 提供表面安装外壳或DIN导轨适配器
| Input voltage | 15 V DC to 33 V DC |
| Max. current consumption | |
| from LSN | 6,06 mA (normal operation and alarm) |
| from external power supply | 15 mA (normal operation) + output current |
| External power supply | 20,4 V DC to 29 V DC |
| Max. output current | 3 A (during an alarm, from ext. power supply) |
| EOL resistance | 3.9 kΩ |
| Display elements | |
| Red LED | Alarm |
| Green LED | Normal operation |
| LSN/Address setting | 3 rotary switches for |
| Mode LSN "classic" or LSN improved version | |
| Automatic or manual addressing |
| Connections | 12 threaded clamps |
| Max. wire diameter for terminals | 3.3 mm2 (12 AWG) |
| Housing material | |
| Interface module | PPO (Noryl) |
| Surface-mount housing | ABS/PC-Blend |
| Housing color | |
| Interface module | Off-white, similar to RAL 9002 |
| Surface-mount housing | Signal white, RAL 9003 |
| Dimensions | |
| FLM-420-NAC-S | Approx. 126 x 126 x 71 mm(4.96 x 4.96 x 2.8 in.) |
| FLM-420-NAC-D (with DIN rail adapter) | Approx. 110 x 110 x 48 mm(4.33 x 4.33 x 1.89 in.) |
| Weight | |
| FLM-420-NAC-S | Approx. 390 g (13.8 ounces) |
| FLM-420-NAC-D (with DIN rail adapter) | Approx. 150 g (5.3 ounces) |
| Number of zones per signaling device interface module | 1 |
| Output signals | Steady BS 5839 March Time March Time 120 California Coded Synchronization protocol (Wheelock, Gentex) |
| Permitted operating temperature | -20 °C to 50 °C(-4 °F to 122 °F) |
| Permitted storage temperature | -25 °C to 80 °C(-13 °F to 176 °F) |
| Permitted relative humidity | < 96% |
| Classes of equipment as per IEC 60950 | Class III equipment |
| Protection class as per IEC 60529 | |
| FLM-420-NAC-S | IP 54 |
| FLM-420-NAC-D | IP 30 |
