Справочник Пользователя для Siemens ST PCS 7
Process I/O
ET 200M distributed I/O
Modules with HART
11/23
Siemens ST PCS 7 · November 2007
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Overview
The modules with HART (High-
way Addressable Remote
Transducer) which can be
used in ET 200M remote I/O
stations (with IM 153-2 High
Feature interface module) per-
mit connection of HART de-
vices to SIMATIC PCS 7 automation systems.
All transmitters or HART actuators certified for digital communi-
All transmitters or HART actuators certified for digital communi-
cation using the HART protocol can be connected via these
modules.
Conventional transmitters with 4 to 20 mA technology without
Conventional transmitters with 4 to 20 mA technology without
HART protocol can also be connected.
All modules with HART come with diagnostics capability (chan-
All modules with HART come with diagnostics capability (chan-
nel and module diagnostics). The diagnostics and monitoring
functions are directly available in SIMATIC PCS 7. They require
no additional engineering. Plain text messages output on the op-
erator station provide information on faults or changes in the
HART parameter settings.
Homogenous integration in the SIMATIC Process Device Man-
Homogenous integration in the SIMATIC Process Device Man-
ager (PDM) and the PCS 7 Asset Management permit intuitive
online diagnostics and parameterization of all connected field
devices from a central position.
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Function
HART is a serial transmission procedure with which additional
parameter data such as measuring ranges, attenuation etc. can
be sent to transmitters and actuators over a 4 to 20-mA current
loop. The HART jobs for each channel can be remotely initiated
over the PROFIBUS DP. This usually takes place from the central
engineering system of the SIMATIC PCS 7 process control sys-
tem per SIMATIC PDM.
The modules with HART have the following features:
• Connections compatible with the conventional analog mod-
The modules with HART have the following features:
• Connections compatible with the conventional analog mod-
ules of the ET 200M
• Additional communications possibility over the current loop
• 8 analog channels per module (2 analog channels with Ex
• 8 analog channels per module (2 analog channels with Ex
modules)
• Each channel is a primary master of the HART protocol
• Selectable input range per channel (AI):
• Selectable input range per channel (AI):
- 0 to 20 mA (without HART function)
-
±
20 mA (without HART function, not with Ex module)
- 4 to 20 mA (with/without HART function)
• Selectable output range per channel (AO):
- 0 to 20 mA (with/without HART function; in the case of
Ex module, only without HART function)
- 4 to 20 mA (with/without HART function)
Additional functions of the HART analog modules
6ES7 331-7TF01-0AB0 and 6ES7 332-8TF01-0AB0:
• Supplementary HART variables (up to 4 per channel, up to
• Supplementary HART variables (up to 4 per channel, up to
8 per module) allow the transmission of additional values
from/to the HART devices
• Modules can be operated in redundant mode (module and
channel redundancy)
Parameterization
• For the analog input modules (AI), it is possible to parameter-
ize e.g. conversion time, input range, limits, alarms, smooth-
ing of measured values
• For the analog output modules (AO), it is possible to parame-
terize e.g. output range, response on stoppage of AS (CPU),
diagnostics
• Remote parameterization (per PROFIBUS DP) of the HART
transmitters and actuators with SIMATIC PDM
• It is still possible to parameterize the HART devices using an
operator terminal (handheld).
© Siemens AG 2007