A-16
Serial Communications
DC590+ Series DC Digital Drive
Continuation Messages
There are two types of continuation messages sent by the Supervisor:
NEXT (send next item from a list)
Only valid if sent following a multi-parameter poll.
(ACK)
REPEAT (repeat last response)
Only valid if sent following any type of poll. It requests a repetition of the previous response.
(NAK)
Serial Transmission Responses
SELECTION MESSAGE RESPONSE (one character)
Sent after the correct reception of a Selection message.
(ACK)
FAULT DETECTION RESPONSE (one character)
Sent in the case of detecting a fault.
(NAK)
or
(EOT)
POLLING MESSAGE RESPONSE (more than one character)
(STX) (PNO)
(D1)
(D2)
(D3)
(ETX) (BCC)
MULTI-POLLING MESSAGE RESPONSE (more than one character)
The response can consist of a group of messages (blocks). The (ETX) character is only sent at the end of the last block (as for Polling Message
Response above).
For other blocks, the (ETX) is replaced by an (ETB) to indicate an end of a block rather than the end of the response.
Summary of Contents for 590+ series
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Page 32: ...2 12 Product Overview DC590 Series DC Digital Drive...
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Page 130: ...3 96 Installing the Drive DC590 Series DC Digital Drive...
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Page 164: ...4 32 Operating the Drive DC590 Series DC Digital Drive...
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Page 174: ...5 8 Control Loops DC590 Series DC Digital Drive...
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Page 222: ...7 20 Trips and Fault Finding DC590 Series DC Digital Drive...
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Page 272: ...DC590 Series DC Digital Drive...
Page 288: ...B 16 Certification DC590 Series DC Digital Drive...
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Page 342: ...C 52 Parameter Specification Tables DC590 Series DC Digital Drive...
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Page 365: ...Programming D 21 DC590 Series DC Digital Drive Functional Description...
Page 494: ...D 150 Programming DC590 Series DC Digital Drive Programming Block Diagram Sheet 1...
Page 495: ...Programming D 151 DC590 Series DC Digital Drive Programming Block Diagram Sheet 2...
Page 496: ...D 152 Programming DC590 Series DC Digital Drive Programming Block Diagram Sheet 3...
Page 497: ...Programming D 153 DC590 Series DC Digital Drive Programming Block Diagram Sheet 4...
Page 502: ...D 158 Programming DC590 Series DC Digital Drive...
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Page 506: ...E 2 Technical Specifications DC590 Series DC Digital Drive...
Page 507: ...Technical Specifications E 3 DC590 Series DC Digital Drive...