Specifications

Data Exchange
890USE17700 September 2003 125
Reading Diagnostic Data
Summary Thirty-five contiguous registers (45357 through 45391) in the island bus data image
(See The Data Image, p. 167) are reserved for diagnostic data about the
Advantys STB system. The diagnostic registers have pre-defined meanings, which
are described below.
Master Devices The diagnostic registers can be monitored by a Modbus over TCP/IP host or the
STB NIP 2212 embedded web server. The master devices use Modbus messaging
(See List of Supported Commands, p. 134) to read and write diagnostic data to
specific registers in the diagnostic block of the process image.
Island
Communications
Status
Status information about the state of communications across the island bus is stored
in register 45357. The bits in the low byte (bits 7 through 0) use fifteen different
patterns to indicate the island’s current communications’ state. Each bit in the high
byte (bits 15 through 8) indicates the presence or absence of a specific error
condition:
Note: An HMI panel or a device running the Advantys configuration software can
also exchange data with an island via the (CFG) port (See The CFG Interface,
p. 33) on the STB NIP 2212.
15
14 13 12 11 10 9 8
7654 321 0
01000000see2
00000000see1
01100000see3
01100001see4
01100010see5
01100011see6
01100100see7
10000000see8
10000001see9
10000010see10
10000011see11
10100000see12
10100001see13
10100010see14
Register 45357
see 16
see 17
see 18
see 19
see 20
see 21
see 22
see 23
11000000see15
high byte low byte