Chopan Diagnostics

Currently CHoPAN client points can be either Boolean or numeric, with read-only and writable versions of each. Points in the network are updated in a “round-robin” fashion by walking through the ChopanNetwork’s child devices, and through each device’s child points.

Table 1. CHoPAN Status Codes

Name CHoPAN Code HTTP Code Description
OK 0x40 (64) 200 Everything is fine—successful read or write.
- - 0x00 (0) n/a Point has not been read or written yet.
Decoding Error 0x01 (1) n/a There is an error in the decoding value from the sever.
CHoPAN Timeout 0x02 (2) n/a No response was received from the server.
Bad Request 0x80 (128) 400 The server rejected the request—see station output for details.
Unauthorized 0x81 (129) 401 The CHoPAN User in the station does not have permissions to modify this component/slot.
Not Found 0x84 (132) 404 The specified URI does not map to a valid component/slot reference.
Server Error 0xA0 (160) 500 The server experienced an internal error—see station output (if JACE server) or serial port diags (if Jennic-based device server) for details.