Eaton PROFIBUS-DP EZ204-DP User Manual Page 121
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Counters
For more information visit: www.EatonElectrical.comMN05013003E 117
Parameter display in RUN mode:
Retention
Counter relays can be operated with retentive actual values.
You can select the retentive counter relays in the SYSTEM…
J RETENTION… menu. C5 to C7, C8 and C13 to C16 can
be selected.
If a counter relay is retentive, the actual value is retained when
the operating mode changes from RUN to STOP as well as
when the power supply is switched off.
When EZ is restarted in RUN mode, the counter relay
continues with the retentively stored actual value.
Determining counter frequency
The maximum counter frequency depends on the length of the
circuit diagram in EZ. The number of contacts, coils and rungs
used determines the run time (cycle time) required to process
the EZ circuit diagram.
Example: When using EZ512-DC-TC with only three rungs for
counting, resetting and outputting the result via the output, the
counter frequency may be 100 Hz.
The maximum counter frequency depends on the maximum
cycle time.
The following formula is used to determine the maximum
counter frequency:
f
c
= maximum counter frequency
t
c
= maximum cycle time
0.8 = Correction factor
Current setpoint, constant (0309)
# Contact has not switched.
â Contact has switched.
Actual value (00042)
C1 N +
S 00309
# C:00042
f
c
=
1
× 0.8
2 ×
t
c
EZ500_700.book Page 117 Tuesday, May 3, 2005 5:15 PM
- 1-888-55-66342 1
- Warning! 3
- Dangerous electrical voltage! 3
- Contents 5
- About This Manual 13
- Overview 16
- ANSI or EZ format 18
- MN05013003E16 20
- EZ xxx-xx-xxx 21
- MN05013003E18 22
- Main menu 23
- EZ500 or EZ700 System 23
- (only on devices with clock) 24
- EZ Status display 24
- Advanced Status display 25
- EZ LED display 25
- Menu structure 26
- MN05013003E24 28
- EZ System menu 29
- DEL and ALT 29
- System menu 30
- YEAR 2004 32
- HH:MM 14:23 32
- DD.MM 17.03 32
- 2Installation 33
- Installation 34
- Mounting 35
- Terminals 37
- MN05013003E38 42
- Connecting the inputs 43
- 100 nF/275 V h 45
- Figure 14: EZ with EZ256-HCI 46
- EZ…-DC-.D 47
- MN05013003E46 50
- MN05013003E48 52
- Connecting the outputs 55
- Connecting relay outputs 56
- EZ512-..-R 56
- EZ7..-..-R.. and EZ202-RE 56
- Connecting transistor outputs 58
- EZ512-..-T 58
- EZ7..-..-T 58
- MN05013003E56 60
- Expanding inputs/outputs 61
- Switching on 65
- 3 Commissioning 65
- Commissioning 66
- EZ operating modes 67
- 69
- MO 02:00 69
- .......STOP 69
- 4 Wiring with EZ 77
- Operation of EZ 79
- MN05013003E76 80
- Relay, function relays 81
- : :1…:8 :1…:8 – 82
- Y Y1…Y8 Y1…Y8 – 82
- Z Z1…Z3 Z1…Z3 – 82
- I2u------ÄQ4 85
- I1 to I2 in the 87
- I3 from make to break 88
- J section 100
- I5-------CC1 101
- I6-------RC1 101
- C1-------TT1 101
- T1-------ÄQ1 101
- Wiring with EZ 102
- Function relays 103
- MN05013003E104 108
- A8-------ÄQ3 113
- First operating state 117
- Counters 119
- MN05013003E116 120
- S 00000 120
- C with setpoint value 122
- = 0.5 × 127
- Contact has not switched 129
- Contact has switched 129
- Actual value (0153) 129
- Text display 139
- Ä, Å, è, ^, ä 139
- D1 to D16 139
- 7-day time switch 145
- Operating hours counter 151
- Timing relays 155
- I1 Time setpoint 1: 155
- MN05013003E152 156
- MN05013003E156 160
- MN05013003E158 162
- MN05013003E160 164
- Timing relay, single pulse 165
- MN05013003E162 166
- :1 to :8 170
- Ä:1 to Ä:8 170
- : of the 171
- Year time switch 173
- Master reset 181
- Basic circuits 183
- Example circuits 191
- Storage positions 192
- PULSE VALUE RESET 192
- 5 EZ Settings 203
- EZ Settings 204
- Password protection 205
- DELETE ? 209
- Changing parameters 211
- XSelect the RULE menu 219
- XPress the OK button 219
- ÍÚ Select required value 221
- Startup behavior 225
- RUN MODE EZ is in STOP mode 226
- RUN MODEå EZ is in RUN mode 226
- Setting the cycle time 229
- 6Inside EZ 235
- Inside EZ 236
- EZ circuit diagram cycle 237
- Figure 87: On and off delays 241
- Expanding EZ700 243
- Figure 89: Remove the cover 247
- Memory card 249
- INVALID PROG 253
- 7 What Happens If ...? 255
- What Happens If ...? 256
- Dimensions 259
- MN05013003E256 260
- Appendix 262
- Technical Data 263
- Available function relays 278
- Names of relays 279
- Names of function relay 279
- Glossary 281
- MN05013003E282 286
- MN05013003E284 288
- MN05013003E286 290
- MN05013003E288 292
- MN05013003E290 294
- MN05013003E292 296
- MN05013003E294 298
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