Supported Hart Commands; Command 0 - Honeywell SS4-A HART User Manual

3 Supported HART Commands

The SS4-A HART module supports the commands enumerated below.

3.1 Command 0

Use command 0 to read Unique Identifier.
Response to command 0:
Manufacturer ID: Hex 6042 String FSCHCOM
Product ID:
Polling address is assigned by rotary switch RSW100 ( 0 , 1, 2, 3, 4, 5, 6, 7, 8, 9,
A, B, C, D, E, F).
Placing RSW100 to position 1,2,3.. to F, you are putting the devices in hardware
address mode. Hardware address will over-ride software address.
Placing RSW100 to position 0, you are putting the devices in software addressing
mode.
You can use command 6 to write polling address to the FSCHCOM module.
Once software polling address is written into the FSCHCOM, the address is
saved into flash memory until over written by next command 6.
Byte Format
0 Unsigned 8
1 to 2 Code
3 Unsigned 8
4 Unsigned 8
5 Unsigned 8
6 Unsigned 8
7 Unsigned 8
8 Unsigned 8
9 to 11 Unsigned
24
12 Unsigned 8
13 Unsigned 8
14 to 15 Unsigned
16
Hex E180
Description
Must be Decimal 254 (Hex FE)
Device Type Hex E1 80
Minimum number of preambles byte from master= 5
HART Major Revision = 7
Device Revision Level = 0
Software Revision = 1
Bit 7,6,5,4,3 Hard ware revision = 0x10
Bit 2,1,0 physical signal code 0x01
Flag = 0. N/A
Device ID unique from manufacturer
Minimum number of preambles byte to master = 5
Maximum number of device variable = 4
Configuration Change Counter = 0. No user configurtion
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