S5-95U, SINEC L2 Data Transmission Using a Standard Connection
FB1 for PLC 2 (continued) Explanation
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0014 M001:
0015 : ON = ANST
If transmit trigger bit is 0, or
0016 : O F 60.7 send mailbox is enabled to transmit, or
0017 : O F 71.2 transmit disabling bit is set,
0018 : JC = M002 jump to edge evaluation ‘Job completed’.
0019 :
001A : C DB 8
Open send mailbox data block
001B : Prepare transmit job:
001C : LW = LAEN Enter net data length (bytes)
001D : T DL 0 and
001E : LW = ZIEL enter destination address.
001F : T DR 0
0020 :
0021 : AN F 60.7
CBS bit ‘Enable transmit’
0022 : S F 60.7 Send mailbox enabled to transmit
0023 : S F 71.2 set transmit disabling bit,
0024 : R F 71.0 reset edge auxiliary flag.
0025 :
0026 M002 :
0027 : A F 71.2
Edge evaluation ‘Job completed’
0028 : AN F 60.7
0029 : AN F 71.0
002A : = F 71.1
002B : A F 71.1
002C : S F 71.0
002D : A F 60.7
002E : R F 71.0
002F :
0030 : A F 71.1
If job was completed and
0031 : AN F 60.0 there was no error in the last data transmission,
0032 : R F 71.2 reset transmit disabling bit,
0033 : RB = ANST reset transmit trigger bit.
0034 :
0035 : A F 71.1
If job was completed and
0036 : A F 60.0 there was an error in the last data transmission,
0037 : R F 71.2 reset transmit disabling bit.
0038 : BE
Switch both programmable controllers from STOP to RUN. The programmable controllers
accept the parameter values of both DB1 data blocks.
Check the data transmission. This is done best with a programmer: Connect each programm-
able controller to a programmer and display the data blocks and the coordination bytes.
Refer also to section 3.3 “Starting up a System”.
Appendix E gives you information on cycle delay times in the programmable controllers due to data
transmission.
EWA 4NEB 812 6112-02
4-13
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