Pin 1: Alarm Input 1. | Pin 13: Alarm Input 13. |
Pin 2: Alarm Input 2. | Pin 14: Alarm Input 14. |
Pin 3: Alarm Input 3. | Pin 15: Alarm Input 15. |
Pin 4: Alarm Input 4. | Pin 16: Alarm Input 16. |
Pin 5: Alarm Input 5. | Pin 17: Alarm Output Relay #1. |
Pin 6: Alarm Input 6. | Pin 18: Ground. |
Pin 7: Alarm Input 7. | Pin 19: Ground. |
Pin 8: Alarm Input 8. | Pin 20: Ground. |
Pin 9: Alarm Input 9. | Pin 21: Alarm Output Relay #1 Common. |
Pin 10: Alarm Input 10. | Pin 22: Alarm Output Relay #2. |
Pin 11: Alarm Input 11. | Pin 23: External Alarm Silence and Acknowledge Input. |
Pin 12: Alarm Input 12. | Pin 25: Alarm Output Relay #2 Common. |
Signal | PIN | PIN | Signal |
A1 | 1 | 13 | A13 |
A14 | 14 | 25 | COM2 |
A2 | 2 | 12 | A12 |
A15 | 15 | 24 | Vext |
A3 | 3 | 11 | A11 |
A16 | 16 | 23 | ACK |
A4 | 4 | 10 | A10 |
NO1 | 17 | 22 | NO2 |
A5 | 5 | 9 | A9 |
GND | 18 | 21 | COM1 |
A6 | 6 | 8 | A8 |
GND | 19 | 20 | GND |
A7 | 7 | 20 | GND |
Alarm PCB
Active alarm inputs vary by DVMRe model. 4 channel units (4CT) have 4 active alarm inputs. 10 channel units (10CT) have 10 active alarm inputs.
Alarm Input
An alarm condition can be activated by devices such as pressure pads, passive infrared detectors, door switches, or other similar devices.
See section 3.11 for information about configuring the contacts as Normally Open or Normally Closed in the menu system.
Normally Open, Zero Potential Relay Contact: Configure in menu as Normally Open.
Normally Closed, Zero Potential Relay Contact: Configure in menu as Normally Closed
TTL Active High: Configure in menu as Normally Closed. | High: 5V (12V Tolerant) |
TTL Active Low: Configure in menu as Normally Open. | Low: Ground |
Open Collector Active On: Configure in menu as Normally Open. | Inputs: 1 per channel. |
Open Collector Active Off: Configure in menu as Normally Closed. |
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DVMRe Triplex DB25 Connector
Alarm Input No. 1 | pin 1 | |
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Alarm Input No. 2 - 15 | pins | |
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Alarm Input No. 16 | pin 16 | |
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Ground | pins |
Typical wiring for Alarm #1 as Normally Open and Alarm #16 as Normally Closed.
Normally Open
(Closes During Alarm)
Typical Alarm Device
Refer to each alarm device's manual for specific wiring details.
Normally Closed
(Opens During Alarm)
Typical Alarm Device
Normally Open and Normally Closed Connections
11 | DVMRe Triplex |