iControlr PROFIBUSr, PROFINETr, DeviceNett, and EtherNet/IPt Generation 4 Slot 9 Gateway
19
Part 1605930−02
E 2020 Nordson Corporation
Write all bytes of the
IO Module
Done
Done
Set the “Wait”
byte to Zero
Write Data to
remaining bytes
of IO Module
Set the”Wait”
byte to a
non-zero value
Scan 1
Scan 2
Scan 3
Scan 1
Single Scan Method
Multiple Scan Method
Figure 6 Sending Messages
Broadcast Messages from the PLC (Module 1)
Table 5 Commonly Used Broadcast Messages from PLC (IO Module 1)
Message No. at
Address Offset 0
Description No. of
Data Bytes
Range of Data Values
(Address Offsets 1 thru 8)
Notes
1 Trigger Guns 8 Each bit is mapped to a gun A
2 Lockout All Guns 1 Lockout=1 (in Data Byte #1)
3 Disabled Alarm Outputs 1 Alarms Disabled=1 (in Data Byte #1)
6 Reset All Alarms/Faults 8 Each bit is mapped to a gun A
7 Clear Maintenance
Hour
8 Each bit is mapped to a gun A
NOTE A: Each physical gun number is assigned a bit starting with the LSBit of Data Byte #1. For example, if
Message No.1 (Trigger guns) is sent with Data Byte #1 = 0x05, Data Byte #2 = 0xF0, and the remaining
data bytes are 0, then guns #1,3,13,14,15,16 will be triggered ON. The remaining gun numbers are
triggered OFF.
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