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Answer Posted / rajendra singh
In DCS 4 TYPES OF SIGNAL IS USED
1) AI - ANALOG INPUT THIS FEED BACK SIGNAL FORM (4 - 20 mA)
2) AO - ANALOG OUTPUT COMMAND GIVEN FROM DCS (4 - 20 mA)
3) DI - DIGITAL INPUT (FEED BACK 0 OR 1, HIGH OR LOW)
4) DO - DIGITAL OUTPUT (PICK UP THE RELAY 0 OR 1, HIGH OR
LOW COMMAND GIVEN FROM DCS)
| Is This Answer Correct ? | 35 Yes | 4 No |
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