Page 30 - Tohnichi_CIP

Tohnichi Reference Guide 2019
CNA-4mk3 Assembly Digital Relay Counter Judgment RoHS

POKA Patrol/ ? Tightening count veri?cation with connecting up to 4 torque wrenches.
? Max. 8 preset counts, timer, alart by buzzer and lamp function are built in.
Count Checker ? Ideal for manufactuaring process management of mixed production line.
Count Display 16 × 32 dot-matrix LEDs
30 × 25 square display lamp (commonly used for OK/NG)
OK/NG Judgment Display OK: Blue lamp turned on
NG: Red lamp blinking + Buzzer sounds (4 patterns)
Work No. Selection Display 1-digit 7-segment LED
Count Input Contact input × 4
Max. Tightening Number of Bolts 99 counts
Max. Number of Works 8 sets
OK/NG Judgment Setting ? Preset judgment, ? END input judgment, ? Automatic judgment (0 to 300 seconds in steps of 1 second)
Output Function ? OK/NG output (Relay contact output rating: 30 V DC, 1 A, 125 V AC, 0.3 A)
? Torque wrench selection signal output (Open collector rating: 100 mA)
Input Function ? SELECT input × 4, ? START input, ? END input, ? RESET input, ? WORK SENSOR input
? Double count prevention timer (0 to 10 seconds in steps of 0.1 second)
Timer Function Setting ? Automatic reset timer (0 to 60 seconds in steps of 1 second)
? Interval warning timer (0 to 99 seconds in steps of 1 second)
Setting Method Special-purpose application software (USB communication), key operation
Operating Condition 0 ~ 40 °C, Below 85%RH (no condensation)
CNA-4mk3 Power Supply/Electricity Consumption AC100 ~ 240V ± 10% 50/60Hz, Below 10W
Torque Wrench for Assembly CNA-4mk3 Outline Add the Count Checker to complete your torque verification system,
400g, W121 × D175 × H44.9mm
Weight/Dimension
Standard Accessories Connecting cable (CNA-4mk3 to PC, USB A-B type)
to visualize and track clicks captured from a variety of compatible Tohnichi models.
Compatible Models
? LS/MS Limit Switch Wrenches.
? Wrenches & Receivers Models Series: FH, FHSLS, FHP, FHD, FD/FDD, BLA, BLE and FMA

Setting example
Connect 2 LS torque wrenches directly and 2 Wireless torque wrench
through receiver and I/O box.
Wrench No. 1 Wrench No. 2 Wrench No. 3 Wrench No. 4
Work No.2 is required to tighten 2 different portions, one has hexagon bolts

Work 4pcs and the other has cap screw 3pcs
No. 1

Work No. Setting WRENCH No.1 WRENCH No.2 WRENCH No.3 WRENCH No.4
No. 2
2 Tightening count 4 0 3 0 ?
?
?
?

Work 1 4
No. 3 1 3 2
3 2
Up to
Work
No. 8 Set the number of bolts (0-99pcs) the work needs for each torque
wrench. Set 0 when no torque wrench is needed.
Example of Various Timer Functions
Automatic Judgment Timer (1-300 sec. 1 sec. interval) Interval Timer (0-99 sec. 1 sec. interval)
Starts after START input or input of first count signal, and judges If the operator does not go on to the next bolt within the interval
OK/NG as the timer reaches set time timer (0-99 sec. 1 sec. interval), the alarm goes off to warn the
operator.
[Timing chart] [Timing chart]
Tightening number 3pcs, Judgment mode JG3, Automatic judgment timer 6sec. Tightening number 4pcs, Interval timer 5 sec.

Count display ?3? ?2? ?1?
Count signal input Count signal output
START input 5 sec.
6 sec. Interval timer 5 sec. pass within 5 sec. pass
OK / NG output
NG Warning alert Sound Sound
Judgment output
PPP PPP
... ...
Double count prevention (0.1-10 sec. 0.1 sec. interval) Easy setting with CNA-4mk3 setting software
Prevents counting an accidental double click Setting software gives instruction for each setting parameter.
[Timing chart]
Tightening number 3pcs, set on 0.5 sec.
and operates torque wrench several times within 0.5 sec.
Count display ?3? ?2? ?1? ?0?
Count signal input
Effective count
Double count 0.5 sec. 0.5 sec.
prevention timer

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