DŽĚďƵƐ
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ZĞŐŝƐƚĞƌ
;ŚŝŐŚďLJƚĞ͕ůŽǁďLJƚĞͿ
ϳϰϴ
ĞǀŝĐĞϭ͕ĞǀŝĐĞϮ
ϳϰϵ
ĞǀŝĐĞϯ͕ĞǀŝĐĞϰ
ϳϱϬ
ĞǀŝĐĞϱ͕ĞǀŝĐĞϲ
ϳϱϭ
ĞǀŝĐĞϳ͕ĞǀŝĐĞϴ
ϳϱϮ
ĞǀŝĐĞϵ͕ĞǀŝĐĞϭϬ
ϳϱϯ
ĞǀŝĐĞϭϭ͕ĞǀŝĐĞϭϮ
ϳϱϰ
ĞǀŝĐĞϭϯ͕ĞǀŝĐĞϭϰ
ϳϱϱ
ĞǀŝĐĞϭϱ͕ĞǀŝĐĞϭϲ
HART Device Polling Address Table
The polling address for each polled device is stored in this table. Two polling addresses in each 16 bit register. If
address 0 is used then only one device can be polled and Device 1 should be set to 0. Address 0 is not valid in mul -
drop systems. For HART devices with HART revision 3 through 5 you should use polling addresses 1 - 15. Addresses
16-63 require HART revision 6 or higher.
,Zd
DŽĚďƵƐ
EƵŵďĞƌŽĨĞĐŝŵĂůWůĂĐĞƐ
ĞǀŝĐĞ
ZĞŐŝƐƚĞƌ
ĞƐĐƌŝƉƚŝŽŶ;ŚŝŐŚďLJƚĞ͕ůŽǁďLJƚĞͿ
ϭ
ϳϱϲ
WsͲ^͕dsͲ&s
Ϯ
ϳϱϳ
WsͲ^͕dsͲ&s
ϯ
ϳϱϴ
WsͲ^͕dsͲ&s
ϰ
ϳϱϵ
WsͲ^͕dsͲ&s
ϱ
ϳϲϬ
WsͲ^͕dsͲ&s
ϲ
ϳϲϭ
WsͲ^͕dsͲ&s
ϳ
ϳϲϮ
WsͲ^͕dsͲ&s
ϴ
ϳϲϯ
WsͲ^͕dsͲ&s
ϵ
ϳϲϰ
WsͲ^͕dsͲ&s
ϭϬ
ϳϲϱ
WsͲ^͕dsͲ&s
ϭϭ
ϳϲϲ
WsͲ^͕dsͲ&s
ϭϮ
ϳϲϳ
WsͲ^͕dsͲ&s
ϭϯ
ϳϲϴ
WsͲ^͕dsͲ&s
ϭϰ
ϳϲϵ
WsͲ^͕dsͲ&s
ϭϱ
ϳϳϬ
WsͲ^͕dsͲ&s
ϭϲ
ϳϳϭ
WsͲ^͕dsͲ&s
Number of Decimal Places Table
When storing the HART variable data in 16-bit modbus registers the maximum range is -32768 to 32767. To increase the possible resolu on, the
variable value read from the HART device is decimal posi on adjusted before being saved in the 16-bit register. When the register is read, the value
must be corrected by the number of decimal placed to produce the correct value. The number of decimal places for each variable occupies 4-bits in
the register with one register for each polled device.
Decimals Variable Range
0
-32768 to 32767
1
-3276.8 to 3276.7
2
-327.68 to 327.67
3
-32.768 to 32.767
4
-3.2768 to 3.2767
5
-0.32768 to 0.32767