5
REDUNDANT SYSTEM FUNCTIONS
5.5 Tracking Function
5.5.3 Tracking Data
5 - 78
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
TRACKING CABLE
4
PROCEDURE FOR
STARTING UP A
REDUNDANT SYSTEM
5
REDUNDANT SYSTEM
FUNCTIONS
6
REDUNDANT SYSTEM
NETWORKS
7
PROGRAMMING
CAUTIONS
8
TROUBLESHOOTING
– :Indicates data that is set to be not tracked by default.
* 1: The number of device points to be used can be changed in the PLC parameter device settings
using GX Developer.
If the number of points to be used is changed, the number after change will be the "default
tracking range" or the "tracking range set by user."
* 2: The number of retentive timer points is 0 by default.
When setting the number of retentive timer points to be used in the PLC parameter device
settings of GX Developer, the set number will be the "default tracking range" or the "tracking
range set by user."
* 3: For the special relays, the data in the range shown in Table5.46 will be automatically tracked:
* 4: For the special registers, the data in the range shown in Table5.47 will be automatically tracked:
* 5: Special relays and special registers used in the redundant system are transferred automatically.
The tracking transfer range cannot be set by the user.
* 6: Do not perform the tracking transfer to the link special relay (SB) and link special register (SW)
used in the network module system since they are the data inherent to stations.
* 7: Refer to Section 7.3 for the processing to be performed when the annunciator is tracked.
Remark
Please use the following settings when changing the internal device settings:
• Bit devices (including timer, retentive timer, counter)
Multiples of 16 of the beginning device number
Transfer range is set in 16 point units
• Word device
Set in 1 point units
Table5.44 Internal Devices That Can Be Tracked
Device Default Tracking Range Tracking Range Set by User
Input X0 to X1FFF X0 to X1FFF
Output Y0 to Y1FFF Y0 to Y1FFF
Internal relay
*1
M0 to M8191 M0 to M8191
Latch Relay
*1
L0 to L8191 L0 to L8191
Step Relay S0 to S8191 S0 to S8191
Annunciator
*1
–
F0 to F2047
*7
Edge Relay
*1
V0 to V2047 V0 to V2047
Link Relay
*1
B0 to B1FFF B0 to B1FFF
Link Special Relay –
SB0 to SB7FF
*6
Timer (Contact Points and Current
Value)
*1
T0 to T2047 T0 to T2047
Retentive Timer (Contact Points and
Current Value)
*2 *2
Counter (Contact Points and Current
Value)
*1
C0 to C1023 C0 to C1023
Data Register
*1
D0 to D12287 D0 to D12287
Link Register
*1
W0 to W1FFF W0 to W1FFF
Link Special Register –
SW0 to SW7FF
*6
Index Register Z0 to Z15 Z0 to Z15
Special Relay *3 *5
Special Register *4 *5
File Register – ZR0 to ZR1042431
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