Model 3095FB Multivariable Transmitter with Modbus Protocol
Modbus Protocol Guide
Page 53 of 79
9.0 Diagnostics
9.1 Self Test
A Self Test will verify the integrity of the some of the crucial areas of nonvolatile memory.
The procedure for performing a Self Test is as follows:
1. Force the Self Test coil ON. The 3095FB will return a normal response. The Self Test
takes approximately 500 ms.
2. Any errors that are detected will show up in the following status bits. The following
diagnostic status bits will be set or cleared by the Self Test, Master Reset, or cycling
power.
Table 9-1 Self Test
Modbus Access
DESCRIPTION
Address
Address
Type
Attributes
Functional
Area
Data / Control
0001
Coil
R/W
Diagnos-
tics
self test
*Attributes: R/W = Read/Write, RO = Read Only, WP = Write Protected
**These registers are available at multiple Modbus addresses (see Section 2.3 located in
the
Modbus Protocol Guide
)
Description
Sensor CRC error (Static Region)
Sensor CRC error (Dynamic Region)
Nonvolatile Database CRC error