29
Examples of Counter Unit Operation
Section 3-1
Output Area
Count Value
•
BCD
(O: positive, F: negative)
Setting Value
•
BCD
Output conditions:
000 Present value
≥
Set value
Not 000 Present value
≤
Set value
•
Hexadecimal
(Negative numbers specified with
the complement of 2 in 24 bits)
Bit 00: Set value 1 (0: Not set, 1: Set)
Bit 11
Bit 12
No mode change
Directional input mode
Phase difference y4 mode
Phase difference y1 mode
Bits 12 to 14: Reset mode selection:
Bit 14
Bit 13
Bit 12
No mode change
Z
IN
Z
•
IN
Internal
Z
•
Internal
IN
•
Internal
Z S IN
•
Internal
Z: Encoder input, Z. IN: External Input.
Internal: Internal reset bit.
•
: AND condition.
Bit 15: I/O Unit interface error setting
(0: Count stop
•
Initialize, 1: Count continue)
Output area
Wd n+0
Wd n+1
Wd n+2
Bit
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Bit 10, 11: Count mode selection:
0
0
1
1
0
1
0
1
Bit 09: External output 2 (0: Disabled, 1: Enabled)
Bit 08: External output 1 (0: Disabled, 1: Enabled)
Bit 07: Internal resetting (0
→
1: Resetting)
Bit 06: Count value reading (0: Not read, 1: Read)
Bit 05: Set value 2 reading (0: Not read, 1: Read)
Bit 04: Set value 1 reading (0: Not read, 1: Read)
Bit 03: Data code change (0: BCD, 1: Hex.)
Bit 02: Count value is set (0: Not set, 1: Set)
Bit 01: Set value 2 is set (0: Not set, 1: Set)
Output conditions:
000 Present value
≥
Set value
Not 000 Present value
≤
Set value
(O: positive, F: negative)
•
Hexadecimal
(Negative numbers specified with
the complement of 2 in 24 bits)
Summary of Contents for DRT1-COM
Page 1: ...OPERATION MANUAL Cat No W348 E1 05 DRT1 COM GT1 Series DeviceNet MULTIPLE I O TERMINAL ...
Page 2: ...DRT1 COM GT1 Series DeviceNet MULTIPLE I O TERMINAL Operation Manual Revised May 2003 ...
Page 3: ...iv ...
Page 5: ...vi ...
Page 233: ...DRT1 COM GT1 Series DeviceNet MULTIPLE I O TERMINAL Cat No W348 E1 05 OPERATION MANUAL ...