6 System Screen
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The contents of a device when checking ‘Device Extensions’
WDS: word device lead address: The set device in device item in 7 segment setting.
Using device
extensions
WDS: [If output register (COM) setting is Y0 to Y03, it saves 0. If
output register (COM) setting is Y8 to YB, it saves 1.]
WDS+1: [If output register (SEG) setting is Y8 to YF, it saves 0. If
output register (SEG) setting is Y0 to Y7, it saves 1.]
WDS+2: [First segment output data]
WDS+3: [Second segment output data]
WDS+4: [Third segment output data]
WDS+5: [Fourth segment output data]
Not using
device
extensions
WDS: [First segment output data]
WDS+1: [Second segment output data]
WDS+2: [Third segment output data]
WDS+3: [Fourth segment output data]
[Setting example and output timing diagram]
Setting item Setting example
Using 7-segment Check (Using)
Output Register(COM)
Y00000 – Y00003
Output Register (SEG)
Y00008 –> Y0000F
Device Inputs M0[0x55], M1[0xAA], M2[0xF0], M3[0x0F] as present value
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