Gai-tronics 12578-002 Monitored Input Module (MIM) Manual de usuario descargar pdf (Pagina 11)

Pub. 42004-711L2B

Model 12578-002 Monitored Input Module (MIM) Page 11 of 12

f:\standard ioms - current release\42004 instr. manuals\42004-711l2b.doc

01/09

Specifications

Electrical

Power requirements..................................................................................... 9–15 V dc (12 V dc nominal)

Current draw ................................................................. 300 mA maximum @ 12 V dc (no ground faults)

Number of input loops................................................................................................................... 8 loops

Maximum devices on input loop................................................................................. Unlimited (Mode 1)

1 (Mode 2)

1 (Mode 3)

Unlimited (Mode 5 - Dry)

1 (Mode 5 – Wet)

Input/output................................................................................................................................. Power in

Power out

RS-485 in

RS-485 out

8 field inputs

Data communications.................................................................................................................... RS-485

RS-485 termination ........................................................................ On board when P2 jumper is installed

End-of-line device........................................................................................................... 20 kΩ (Mode 1)

5.1 kΩ in series with 15 kΩ across contact (Mode 2)

5.1 kΩ in series with 15 kΩ across contact (Mode 3)

None (Mode 5)

Field Inputs

Mode 1:

Contact closure resistance (activated) ............................................................................... 1 kΩ maximum

Open Fault Detection....................................................................................................... Minimum 65 kΩ

Ground Fault Detection .................................................................................... Less than 200 Ω to ground

Modes 2 and 3:

Contact closure resistance (Mode 2: activated/ Mode 3: de-activated) ............................... 3 kΩ maximum

Open fault detection ........................................................................................................ Minimum 65 kΩ

Ground fault detection...................................................................................... Less than 200 Ω to ground

Wire-to-wire short fault detection.....................................................................................Less than 200 Ω

Mode 5 (Dry)

Contact closure resistance............................................................................................... 900 Ω maximum

Mode 5 (Wet)

DC input voltage range............................................................................... 20–30 V dc (24 V dc nominal)

Limitations:

Cable limitations .................................................................................... 100 Ω maximum loop resistance

Terminals:

Minimum conductor size...................................................................................... No. 28 AWG (0.5 mm

)

Maximum conductor size...................................................................................... No. 12 AWG (3.0 mm

)

1 2 ... 6 7 8 9 10 11 12

Comentarios a estos manuales

Sin comentarios

Gai-tronics 12578-002 Monitored Input Module (MIM) Manual de usuario Pagina 11

Comentarios a estos manuales

Relacionado con productos y manuales para Comunicación Gai-tronics 12578-002 Monitored Input Module (MIM)