Modbus Master/Slave to HART Multi-Drop Communication Module
5107-MCM-HART
5127-MCM-HART2
Product Description
The ProLinx family Modbus Master/Slave to HART Multi-Drop communications module (5107-MCM-HART/5127-MCM-HART2) creates a powerful connection between devices on a Modbus network and HART devices. The module is a stand-alone DIN rail-mounted protocol gateway that provides one serial port and up to eight configurable HART channels.
The Modbus (MCM) protocol driver supports Master and Slave implementations of the protocol. All Modbus serial ports are individually configurable, providing a very powerful and flexible host or device interface solution.
The HART protocol driver works as a Master on four (HART) or eight channels (HART2 – not available on certain configurations) per interface card, depending on implementation. Each channel is individually configurable.
Product Applications
The MCM-HART modules are the ideal solution for the many applications where Modbus connectivity can be used to integrate HART serial devices into a system.
The Modbus gateway is a powerful module designed with both Master and Slave support, enabling easy connection to other Modbus devices (Modicon processors and many others). In combination with the HART device support, the module provides a very powerful interface to the over two-million HART devices which are in use in the industrial marketplace today. Applications for the module are found in most industries, especially the Manufacturing, Oil and Gas, Electrical Power and Food Processing.
Functional Specifications
Internal Database
The ProLinx module contains an internal database that consists of areas for application data, status information, and configuration information.
The internal database is shared between all ports on the module and is used as a conduit to pass information from a device on one network to one or more devices on another network.
Application Data Area
The data area is used to store and retrieve data by the protocol drivers and for data exchange between protocols. The database is used as a source for write commands to remote devices and holds data collected from the remote devices. Commands defined in the configuration file (stored in the configuration data area) control how the data is to be handled in the database.
Status Data Area
This area is used to store error codes, counters, and port status information for each port.
Configuration Data Area
This area contains module configuration information such as port configuration, network information, and command configuration. This configuration file is downloaded to, or uploaded from, this area.
Modbus Protocol Specifications
The Modbus driver provides access to an internal database of 4000 registers (words), with extensive support provided for both the Master and the Slave implementations of the protocol. The serial port(s) on the gateway can be individually configured to support the Modbus protocol (Master or Slave, RTU or ASCII, Baud Rate, etc).
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General Parameters - Modbus Protocol
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Type
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Specifications
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Communication parameters
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Baud Rate: 110 to 115K baud
Stop Bits: 1 or 2
Data Size: 7 or 8 bits
Parity: None, Even, Odd
RTS Timing delays: 0 to 65535 ms
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Error Checking
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RTU mode (binary) with CRC-16
ASCII mode with LRC error checking
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Floating Point
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Floating point data movement supported, including configurable support for Enron implementation
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Function Codes
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1 : Read Output Status
2 : Read Input Status
3 : Read Multiple Data Registers
4 : Read Input Registers
5 : Write Single Bit
6 : Write Single Data Register
15 : Write Multiple Bits
16 : Write Multiple Data Register
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Modbus Master
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Type
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Specifications
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Command List
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Up to 100 command per master port, each fully configurable for function, slave address, register to/from addressing and word/bit count
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Status Data
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Error codes are provided on an individual command basis, as well as a slave status list is maintained per active Modbus Master port.
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Polling of command list
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Configurable polling of command list, including continuous and on change of data, and dynamically user or automatic enabled.
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Modbus Slave
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Type
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Specifications
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Node address
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1 to 247 - software selectable
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Status Data
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Error codes, counters and port status available per configured slave port. Status data is all pre-mapped in the module
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HART Specifications
The HART Master Protocol exists in 4 and 8 channel configurations depending on hardware configuration for the second protocol:
- 4 or 8 HART channels if second protocol is serial
- For other protocols, 4 HART channels
This driver can be configured on an individual channel basis to operate as a HART Master Station and supports all the available HART commands including Universal, Common Practice and Device Specific Commands. Each HART channel is independently configured to interface with the internal database in the module.
The auto-poll mode allows the module to automatically collect data from each HART instrument on the channel and store the data in the module's database without the use of user commands. The module automatically generates HART commands 0, 3, 13, 14 and 15.
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General Parameters (Software Configurable)
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Type
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Specifications
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Communication parameters
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Number of HART Preambles: 2 to 50
Enable Handheld: Y or N
Primary Master: Y or N
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Configurable Parameters per Channel
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Auto-Poll Enable
Short Address Retries
Long Address Retries
Retries After Error
Poll Time After Error
Number of Commands
Slave List Error Pointer
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HART Driver
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Type
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Specifications
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HART Commands supported
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Universal Command Set
00 Read Unique Identifier
01 Read Primary Variable
02 Read Current And Percent Of Range
03 Read Dynamic Variables
06 Write Polling Address
11 Read Unique Identifier Associated With Tag
12 Read Message
13 Read Tag Descriptor Date
14 Read PV Sensor Info
15 Read Output Information
16 Read Final Assembly Number
17 Write Message
18 Write Tag Descriptor Date
19 Write Final Assembly Number
Common Practice Command Set
33 Read Transmitter Variables
34 Write Damping Value
35 WriteRange Values
36 SetUpperRange Value
37 SetLowerRange Value
38 Reset Configuration Changed Flag
39 EEprom Control
40 Enter Exit Fixed Current Mode
41 Perform Transmitter Self Test
42 Perform Master Reset
43 Set Pv Zero
44 Write Pv Units
45 Trim Dac Zero
46 Trim Dac Gain
47 Write Transfer Function
48 Read Additional Transmitter Status
49 Write Pv Sensor Serial Number
50 Read Dynamic Variable Assignments
51 Write Dynamic Variable Assignments
52 Set Transmitter Variable Zero
53 Write Transmitter Variable Units
54 Read Transmitter Variable Information
55 Write Transmitter Variable Damping Value
56 Write Transmitter Variable Sensor Serial Number
57 Read Unit Tag Descriptor Date
58 Write Unit Tag Descriptor Date
59 Write Number Of Response Preambles
108 Write Burst Mode Command Number
109 Burst Mode Control
110 Read All Dynamic Variables
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Command List
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Up to 100 command per channel, each fully configurable for function, slave address, register to/from addressing and word count for Floating Point or Integer Data
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Status Data
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Error codes returned by the HART protocol available on an individual command basis. In addition, a slave status list is maintained per active channel.
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Polling of command list
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User configurable polling of commands, including disabled, continuous, on change of data (write only) and dynamically user or automatic enabled.
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Hardware Specifications
| Power Supply |
24 VDC nominal |
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18-32 VDC allowed |
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Positive, Negative, GND Terminals |
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2.5 mm screwdriver blade |
Current Load
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500 mA max@ 32 VDC max |
| Operating Temperature |
-20 to 50 Deg C |
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-4 to 122 Deg F |
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Storage Temperature |
-40 to 85 Deg C |
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-40 to 185 Deg F |
| Relative Humidity |
5-95% (w/o condensation) |
| Dimensions |
Standard
5.20H x 2.07W x 4.52D inches
13.2cmH x 5.25cmW x 11.48cmD
Extended
5.20H x 2.73W x 4.52D inches
13.2cmH x 6.934cmW x 11.48cmD |
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LED Indicators |
Power and Module Status |
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Application Status |
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Serial Port Activity LED |
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Serial Activity and Error LED Status |
| Configuration Serial Port |
Mini-DIN |
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RS-232 only |
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No hardware handshaking |
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Ethernet Port |
10Base-T Connector |
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Link and Activity LED indicators |
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Electrical Isolation 1500 V rms at 50 Hz to 60 Hz for 60 s, applied as specified in section 5.3.2 of IEC 60950: 1991 |
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Ethernet Broadcast Storm Resiliency = less than or equal to 5000 [ARP] frames-per-second and less than or equal to 5 minutes duration |
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Application Serial Ports |
Mini-DIN |
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RS-232/422/485 |
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RS232 handshaking configurable |
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RS422/485 screw termination included |
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Port Isolation |
2500V Opto-Isolators |
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500V Power Supply Isolation |
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Shipped with each unit |
Mini-DIN to DB-9M cables per serial port |
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4 ft RS-232 configuration cable |
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2.5mm screwdriver |
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CD (docs and Configuration utility) |
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RS-422/485 DB9 to Screw Terminal |
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Adaptor (1 or 4, depending on ports) |
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HART Connector
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12 pos screw-terminal plug (J212)
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Termination Resistor Packet (4 resistors)
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HART LED Indicators
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CH1-4
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Click here for dimensions diagram Certifications
The ProLinx gateway module has the following certifications:
CE
ATEX Cat 3 Zone 2
cULus Haz Loc Class 1, Div 2
Ordering Information
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5107-MCM-HART
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Modbus Master/Slave to HART Multi-drop 4 channel
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5127-MCM-HART2
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Modbus Master/Slave to HART Multi-drop 8 channel
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To place an order, please contact your local ProSoft Technology, Inc. distributor. For a list of ProSoft distributors near you, click here.
Distributors:
Place your order by email to orders@prosoft-technology.com:, fax to +1 661-716-5101.
Sales and Support:
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