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7.10.4.4 Test if MD M ode 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
7.10.5.1 Acknowledge 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.
7.10.5.2 Re-enable SRQ w ith 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
Global
Commands
Disable MD Mode
1010 0000 None Set supplies out of MD Mode (de-
fault)
Enable MD Mode 1010 0001 None Set supplies into MD Mode
Disable SRQ
retransmission 1010 0010 None Disable retransmission of SRQs
by supplies (default)
Enable SRQ
retransmission 1010 0011 None Enable retransmission of SRQs by
supplies
Enable FLT Bit 1010 0100 None Enable the FLT bit in the SENA
Register
Disconnect serial
communications 1011 1111 OK All supplies will halt transmission
and enter the non-addressed
state.
Addressed
Commands
Read Registers 100x xxxx Register data Non dest ructive read of all regis-
ter. x xxxx is the address of the
supply in binary.
Re-enable SRQ Byte 1
1010 0101
Byte 2
xxxx xxxx
None Re-enable SRQ without reading or
clearing the SEVE Register. xxxx
xxxx is the address of the supply
in binary. Works only in MD Mode.