SV-200MA

自動偵測模組

SV-200MA

SV-200MA 設計內建於 VM-2120/-2240 擴大機中，可監控單一喇叭線路或功率擴大機故障以提供狀態指示。

規格相關產品下載

電源

24 V DC

消耗電流

120 mA

Control Input and Output

Input: No-voltage make contact input, open voltage: 3.3 V DC, short-circuit current: 1 mA or less
(1) Speaker line initial setting activation signal
(2) Speaker line surveillance activation signal
Output: Open collector output, withstand voltage: 30 V DC, control current: 10 mA or less
(1) Monitoring short or open of individual speaker line (zone 1 - 5)
(2) Ground fault (insulation resistance: 50 kΩ or less)
(3) Power amplifier failures
Input/Output
Input: No-voltage make contact input, open voltage: 24 V DC, short-circuit current: 60 mA or less
Output: Open collector output, withstand voltage: 24 V DC (used with VM 24V DC output), control current: 20 mA or less
(1) Speaker Zone information/selection
(2) Power amplifier fault link
Connector: D-sub connector (25-pin, female)

Failure Detection

Power amplifier failure: 20 kHz pilot tone detection
Speaker line failure: 40 Hz impedance detection (Detectable minimu load: 5 W)

Speaker Line Surveillance

Speaker lines are automatically monitored at set time intervals

Set Time

10 - 60 min, at 10 min intervals

工作溫度

0 °C to +50 °C

工作濕度

90 % RH or less (must be free from dew condition)

尺寸

90 (W) x 20.6 (H) x 157 (D) mm