Murr Elektronik Data Panel xtreme DB DP-34044-1 - Page 20

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1. Disabled, MODE = 0
Itisrecommendedtodisableanyoutputsthataren’tbeingused.Puttinga“0”inthemodeforanoutputdisablestheoutputand
preventsitfrombeingturnedon.
2. On/O, MODE = 1 (Used for Discrete Operation)
Thisputstheoutputintothestandarddiscreteoperationmode.TheuseofbitpairsinControlMessage1(Command81,0x51h)of
PGN61408willturntheoutputonoro.
High Bit Low Bit
On 0 1
O 0 0
3. Data, MODE = 2 (Used for PWM Control using a value of 0-4000)
ThisputstheoutputintoPWMcontrolwithavalueof0-4000equaling0-100%ofthedutycycle.Twobytesareallocatedforeach
ofthePWMcontrolmessageswiththerst12bitsbeingusedforthevalue.Therstbyteandtherst4bitsofthesecondbyteare
puttogetherfor12bitcontroloftheoutput.
Example Second Byte FirstByte
50% Bit 4 Bit 3 Bit 2 Bit 1 Bit8 Bit7 Bit6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1
2000 0 1 1 1 1 1 0 1 0 0 0 0
WithavaluegreaterthanzerointhePWMcommandandazerointhedirectionbit,outputAwillturnon.Ifthedirectionbitisset
toaone,outputBwillturnon.
4. Percent, MODE = 3 (Used for PWM Control using a value of 0-1000 (= 0-100.0%))
ThisputstheoutputintoPWMcontrolwithavalueof0-1000equaling0-100.0%ofthedutycycle.Twobytesareallocatedforeach
ofthePWMcontrolmessageswiththerst12bitsbeingusedforthevalue.Therstbyteandtherst4bitsofthesecondbyteare
puttogetherfor12bitcontroloftheoutput.
Example Second Byte FirstByte
50% Bit 4 Bit 3 Bit 2 Bit 1 Bit8 Bit7 Bit6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1
500 0 0 0 1 1 1 1 1 0 1 0 0
WithavaluegreaterthanzerointhePWMcommandandazerointhedirectionbit,outputAwillturnon.Ifthedirectionbitisset
toaone,outputBwillturnon.
5. Amps, MODE = 4 (Used for PWM(i) Control)
ThisputstheoutputintoPWMcurrentcontrolwithavalueof0-4000equaling0-4000mA.TwobytesareallocatedforeachofthePWMcontrol
messageswiththerst12bitsbeingusedforthevalue.Therstbyteandtherst4bitsofthesecondbyteareputtogetherfor12bitcontrolof
theoutput.
Example Second Byte FirstByte
2000mA Bit 4 Bit 3 Bit 2 Bit 1 Bit8 Bit7 Bit6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1
2000 0 1 1 1 1 1 0 1 0 0 0 0
WithavaluegreaterthanzerointhePWMcommandandazerointhedirectionbit,outputAwillturnon.Ifthedirectionbitissettoaone,
output B will turn on.