Omron DEVICENET#05-2003 Operation Manual page 41

Examples of Counter Unit Operation
Output Area
Output area
Wd n+0
Wd n+1
Wd n+2
Count Value
BCD
(O: positive, F: negative)
Setting Value
BCD
Output conditions:
000 Present value
Not 000 Present value
(O: positive, F: negative)
Bit
Bit 00: Set value 1 (0: Not set, 1: Set)
Bit 01: Set value 2 is set (0: Not set, 1: Set)
Bit 02: Count value is set (0: Not set, 1: Set)
Bit 03: Data code change (0: BCD, 1: Hex.)
Bit 04: Set value 1 reading (0: Not read, 1: Read)
Bit 05: Set value 2 reading (0: Not read, 1: Read)
Bit 06: Count value reading (0: Not read, 1: Read)
Bit 07: Internal resetting (0 1: Resetting)
Bit 08: External output 1 (0: Disabled, 1: Enabled)
Bit 09: External output 2 (0: Disabled, 1: Enabled)
Bit 10, 11:
Bits 12 to 14: Reset mode selection:
Bit 15: I/O Unit interface error setting
(0: Count stop Initialize, 1: Count continue)
Hexadecimal
Hexadecimal
Set value
Set value
Count mode selection:
Bit 11 Bit 12
0 0 No mode change
0 1 Directional input mode
1 0 Phase difference y4 mode
1 1 Phase difference y1 mode
Bit 14 Bit 13
0 0
0 0
0 1
0 1
1 0
1 0
1 1
1 1
Z: Encoder input, Z. IN: External Input.
Internal: Internal reset bit. : AND condition.
Section 3-1
(Negative numbers specified with
the complement of 2 in 24 bits)
(Negative numbers specified with
the complement of 2 in 24 bits)
Output conditions:
000 Present value
Not 000 Present value
Bit 12
0 No mode change
Z
1
0 IN
1 Z IN
Internal
0
1 Z Internal
IN Internal
0
Z S IN Internal
1
Set value
Set value
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