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6-2-5
Highest Communications Unit No.
Set the Highest Communications Unit No. parameter to the highest communications unit number that is
actually set on the connected E5@D Controllers.
Make sure that setting of the Highest Communications Unit No. parameter agrees with the unit num-
bers of the E5@D Controllers that are actually connected.
PLC
Communications Setting Level
Display condition: The Protocol Setting parameter must be set to fins, mcp4, or fxp4.
Parameter name
Highest Communications Unit No.
6-2-6
Areas and First Address of Linked Data
Two areas are used in PLC memory by the E5@D, an upload area and a download area. The upload
area is used to monitor the process value, status, and other information from the E5@D. The download
area is used to write the set point, alarm values, and other values to the E5@D.
Address
XXXX Response Flag
+1 Communications
Upload
+2 Monitor Value 1
Area
+3 Monitor Value 2
+14 Monitor Value 13
+15 Request Flag
+16 Operation
Download
+17 Set Value 1
Area
+18 Set Value 2
+29 Set Value 13
The Response Flag, Communications Status, Request Flag, and Operation Command Code all have
special functions that cannot be changed. Refer to the following sections for application methods.
Request Flag: 6-3-1 Controlling Programless Communications with the Request Flag
Response Flag: 6-3-2 Response Flag
Operation Command Code: 6-3-4 Operation Command Codes
Communications Status: 6-3-5 Confirming Operation of Programless Communications
The portion of PLC memory to use is set with the Area, First Address Upper Word, and First Address
Lower Word parameters.
E5@D Digital Temperature Controllers Communications Manual (H225)
Set the communications
unit numbers starting
from 0.
E5CD
No.0
Displayed characters
maxu
Data in PLC
memory
This flag indicates the completion of processing for the Request Flag.
The status that is given at this address is used in the PLC to check the operation
Status
of programless communications.
Information from the E5@D, such as the PV or status, is set at these addresses.
The parameters that are actually used are set in the upload settings.
· · ·
This flag is used to control programless communications.
The operation command that corresponds to the code is sent.
Command Code
The set values at these addresses are written to the E5@D, such as to the set
point or alarm values. The parameters that are actually used are set in the
download settings.
· · ·
6 Programless Communications
The highest communica-
tions unit number is 2.
E5CD
E5CD
No.1
No.2
Setting range
0 to 99
Default
0
6
6 - 9
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