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1.3.3 Restrictions on Number of Units that can be Installed
The following restrictions apply when installing the ET-LAN unit in a programmable controller.
Unit name
Restrictions on number of units
For FP2 CPU unit
For FP2SH CPU unit
ET-LAN unit
Multi-wire link unit
(MEWNET-W2 mode)
Up to 3 units
(up to 2 units for link between PLCs)
Up to 8 units
(up to 2 units for link between PLCs)
Note:
If the hierarchical link function is being used through the MEWNET and the communication path includes
an MEWNET-W, the maximum number of units that can be installed is two, for the units noted below.
-
ET-LAN unit
-
Multi-wire link unit
-
Computer communication unit
1.4 Restrictions on Unit Version and Functions
The required versions of ET-LAN unit and CPU unit vary according to the used functions.
1.4.1 Functions of ET-LAN Unit and Applicable Versions
Functions of ET-LAN Unit
Version of ET-LAN Unit
Version of CPU unit
Self-diagnosis function
Available with all the versions of
ET-LAN unit.
FP2 CPU unit
Ver. 1.08 or later
FP2SH CPU unit
Ver. 1.02 or later
Data transfer function
-
MEWTOCOL-COM communication
-
MEWTOCOL-DAT communication
Transparent communication function
Error log function
Auto connection function
-
Auto connection
-
System connection
Ver.2.00 or later of ET-LAN unit is
required.
FP2 CPU unit
Ver. 1.21 or later
FP2SH CPU unit
Ver. 1.10 or later
E-mail function
1.4.2 Precautions when using the e-mail function
The calendar function is required for the CPU unit for using the e-mail function.
Add the following optional memory with the calendar function for using the FP2 CPU unit.
Expansion memory unit FP2-EM1 (AFP2201)
FP2-EM2(AFP2202)
FP2-EM3(AFP2203)
It is not necessary to add the optional memory when using the FP2SH CPU unit as the calendar function
is built in the CPU unit.
Reference:
<FP2/FP2SH User’s Manual (ARCT1F320)
2.3.1 Expansion Memory Unit/ROM <Option (FP2-EM)>
When there is no calendar function, the time to be recorded in e-mails is always the following time.
1 Jan. 2030 Tuesday 00:00:00 (Japan time)
-
Indication: Date: Tue, 01 Jan 2030 00:00:00 +900
Summary of Contents for FP2 ET-LAN
Page 11: ...Chapter 1 Unit Functions and Restrictions ...
Page 14: ...1 4 1 1 4 Connecting to a Network AFP2790 100BASE TX 10BASE T 10BASE5 AUI AFP27901 ...
Page 24: ...1 14 ...
Page 25: ...Chapter 2 Names and Functions of Parts ...
Page 29: ...Chapter 3 Connection for LAN Cable ...
Page 37: ...Chapter 4 Confirming the Design Contents ...
Page 49: ...Chapter 5 Initialization Processing and Termination Processing ...
Page 68: ...5 20 ...
Page 69: ...Chapter 6 Open Processing and Close Processing ...
Page 84: ...6 16 ...
Page 85: ...Chapter 7 Computer Link Function ...
Page 94: ...7 10 Program example ...
Page 97: ...7 13 Example of communication data Same hierarchy communication ...
Page 100: ...7 16 Example of communication data Other hierarchy communication ...
Page 101: ...7 17 Other hierarchy communication for MEWTOCOL COM ...
Page 102: ...7 18 ...
Page 103: ...Chapter 8 Data Transfer Function ...
Page 111: ...8 9 Program example ...
Page 114: ...8 12 Example of communication data Same hierarchy communication ...
Page 117: ...8 15 Example of communication data Other hierarchy communication ...
Page 119: ...8 17 Other hierarchy communication for MEWTOCOL DAT ...
Page 120: ...8 18 ...
Page 121: ...Chapter 9 Transparent Communication Function ...
Page 137: ...9 17 Program example ...
Page 143: ...Chapter 10 Auto Connection ...
Page 155: ...10 13 Case 1 Ladder program example ...
Page 169: ...Chapter 11 E mail Function ...
Page 200: ...11 32 ...
Page 201: ...Chapter 12 Error Log Function ...
Page 203: ...12 3 Latest log block area Log block reading processing area ...
Page 219: ...Chapter 13 Troubleshooting ...
Page 224: ...13 6 13 2 4 Troubleshooting Flowchart ...
Page 225: ...13 7 ...
Page 229: ...Chapter 14 MEWTOCOL Communication Procedure ...
Page 242: ...14 14 To write to an index register ...
Page 262: ...14 34 ...
Page 263: ...Chapter 15 Specifications ...
Page 292: ...15 30 15 6 ASCII Codes ...
Page 293: ...15 31 15 7 Dimensions AFP2790 FP2 ET1 AFP27901 FP2 ET2 ...
Page 294: ......
Page 295: ...Chapter 16 Sample Program ...
Page 298: ...16 4 ...
Page 299: ...16 5 ...
Page 300: ...16 6 ...
Page 301: ...16 7 ...
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