MSG

[Guest JohnC]

Ok another question Trying to use MSG command Getting these error messages on node 3 : Host Has a Problem and will not Communicate error(hex)20 on node 1: Target Node Cannot Respond Because of Incorrect Command Parameters error(hex)10 JohnC

[Ken Moore 23]

It would be easier to help if you posted your code. Then someone may be able to spot your problem right away.

[Guest JohnC]

ok here we go Node3: Type: Peer to Peer Read/Write : Write Target: 500cpu Local/Remote: Local Control Block: N7:30 Control Length: 14 Setup: Data Table: N7:5 Element: 1 Channel: 0 Target: Timeout: 0 Data Table Addr: N7:5 Local Node Addr: 1 octal 1 Node1: Type: Peer to Peer Read/Write : Write Target: 500cpu Local/Remote: Local Control Block: N7:30 Control Length: 14 Setup: Data Table: N7:5 Element: 1 Channel: 0 Target: Timeout: 5 Data Table Addr: N7:5 Local Node Addr: 3 octal 3 Error message Target does not respond JohnC

[TechJunki 0]

Are you sending this over DH+ or what type of communications are you attempting to send over. If you are using DH+ I believe you will need Channel 1 not 0, if I remember correctly Channel 0 is for the serial port.

[Guest Guest]

hi yes using general channel 1 dh+ JohnC

[Ghettofreeryder 0]

If i were you, i would set up the message blocks so one plc initiates all the communication. Otherwise, your just asking for trouble over dh+. Id set up one plc to do both a read and a write, and the other with no msg blocks(master/slave system). We are overhuling a plant right now because of this reason. One of the plcs constantly times out, so we are moving all the logic to one plc and installing an rio adapter.

[TechJunki 0]

Then why in your setup have you selected Channel 0 ???? Node3: Type: Peer to Peer Read/Write : Write Target: 500cpu Local/Remote: Local Control Block: N7:30 Control Length: 14 Setup: Data Table: N7:5 Element: 1 Channel: 0 Target: Timeout: 0 Data Table Addr: N7:5 Local Node Addr: 1 octal 1 Edited 15 Aug 2005 by TechJunki