7.10.4.4Test if MD Mode is Installed
Send AA Hex followed by the address of the supply in binary. If not installed, the supply will re- turn a ‘1’. If installed, the supply will return a‘0’.
7.10.5 Addressed commands without response
7.10.5.1Acknowledge SRQ
Send (0xE0 + Address) (1 byte binary - send 2 times sequentially). The supply will stop re- sending SRQ. If Enable SRQ retransmission is active, it will remain active.
7.10.5.2Re-enable SRQ with out reading/clearing the SEVE Register
Send A5 Hex followed by the address of the supply in binary and new SRQ’s generated by new events in the Fault Event will be enabled without reading and clearing the Status Event Register. All events previously recorded in the Fault Event Register must have been serviced by the user’s software prior to this command to take effect.
Name | Bit Positions | Response | Description |
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Global |
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Commands |
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Disable MD Mode | 1010 0000 | None | Set supplies out of MD Mode (de- |
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| fault) |
Enable MD Mode | 1010 0001 | None | Set supplies into MD Mode |
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Disable SRQ | 1010 0010 | None | Disable retransmission of SRQs |
retransmission |
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| by supplies (default) |
Enable SRQ | 1010 0011 | None | Enable retransmission of SRQs by |
retransmission |
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| supplies |
Enable FLT Bit | 1010 0100 | None | Enable the FLT bit in the SENA |
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| Register |
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Disconnect serial | 1011 1111 | OK | All supplies will halt transmission |
communications |
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| and enter the |
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| state. |
Addressed |
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Commands |
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Read Registers | 100x xxxx | Register data | Non destructive read of all regis- |
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| ter. x xxxx is the address of the |
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| supply in binary. |
Byte 1 | None | ||
| 1010 0101 |
| clearing the SEVE Register. xxxx |
| Byte 2 |
| xxxx is the address of the supply |
| xxxx xxxx |
| in binary. Works only in MD Mode. |
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