6-3
Section
SR Area
75
Address
Controlled
by
Function
Bits
SR 250
00 to 07
(Reserved by system.)
---
08 to 11
Peripheral port error code
0 Hex: No error
1 Hex: Parity error
2 Hex: Framing error
3 Hex: Overrun error
Note: When a Programming Device is
connected using peripheral bus
communications, F Hex is stored here.
Unit
12
Peripheral Port Communications Error
Turns ON when there is a peripheral port communications error.
13 to 15
(Reserved by system.)
---
SR 251
00 to 15
(Reserved by system.)
SR 252
00
DM Area to Flash Memory Transfer Bit
Turn ON this bit to save the contents of DM Area words DM 0000 to DM 6143 to
flash memory. The bit automatically turns OFF after execution.
User
01 to 07
(Reserved by system.)
---
08
Peripheral Port Reset Bit
Turn ON this bit to reset the peripheral port. (Invalid if the peripheral port is used
for peripheral bus communications.) The bit automatically turns OFF after
execution.
User
09
(Reserved by system.)
The settings of
h
bi
lid
---
10
Unit Setup Area Reset Bit
Turn this bit ON to reset the Unit Setup Area (DM 6600 to
DM 6655). The bit automatically turns OFF after execution.
g
these bits are valid
only when the
Customizable
Co nter Unit is in
User
11 to 13
(Reserved by system.)
Counter Unit is in
PROGRAM mode.
---
14
Error Log Reset Bit
Turn this bit ON to clear the error log. The bit automatically
turns OFF after execution.
PROGR M mode.
User
15
(Reserved by system.)
---
SR 253
00 to 12
(Reserved by system.)
---
13
Always ON Flag
Unit
14
Always OFF Flag
15
First Cycle Flag
SR 254
00
1-minute Clock Pulse (30 seconds ON; 30 seconds OFF)
01
0.02-second Clock Pulse (0.01 seconds ON; 0.01 seconds OFF)
02
Negative (N) Flag
03
(Reserved by system.)
---
04
Overflow (OF) Flag
Unit
05
Underflow (UF) Flag
06
Differential Monitor Completion Flag
Turns ON when differential monitoring has been completed.
07
STEP Execution Flag
Turns ON for one cycle only at the start of a processed based on STEP.
08 to 15
(Reserved by system.)
---
Summary of Contents for CS1 -
Page 1: ...Cat No W378 E1 1 Customizable Counter Units SYSMAC CS1 CS1W HI001 HCP22 HCA22 OPERATION MANUAL...
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Page 3: ...CS1W HIO01 HCP22 HCA22 Customizable Counter Units Operation Manual Produced January 2001...
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