Micromod MOD: MODBUS RTU Communications Guide User Manual
Page 30

MODBUS RTU
COMMUNICATIONS GUIDE
26
PC
Personal Computer
Receive
Incoming communication signal. (Rx)
RTS
RequestToSend hardware handshaking signal. Used with ClearToSend.
Rx
See Receive
RxA
Usually the negative Receive line. May vary with manufacturer. Also see
Receive
RxB
Usually the positive Receive line. May vary with manufacturer. Also see
Receive
Signed Integer
Whole number value represented by 16 bits (-32768 to 32767)
Transmit
Outgoing communication signal. (Tx)
Tri-State
The ability of a communications transmitter to turn its circuitry off, reducing
the load on the network
Tx
see Transmit
TxA
Usually the negative Transmit line. May vary with manufacturer. Also see
Transmit
TxB
Usually the positive Transmit line. May vary with manufacturer. Also see
Transmit
Unsigned Integer
Positive whole number value represented by 16 bits (0 to 65535)
Word
A group of 16 bits
Xon/Xoff
Software implementation of data flow control
- Micro-DCI: EP1000A E-Port (56 pages)
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- Micro-DCI: 53SL5100B Single Loop Controller (115 pages)
- Micro-DCI: 53ML5100 Manual Loader (49 pages)
- Micro-DCI: 53MC5000 PLC AND PRINTER INTERFACES (124 pages)
- Micro-DCI: 53MC5000 MicroLink (33 pages)
- Micro-DCI: 53MC5000 Multi-Loop Process Controller Installation (99 pages)
- Micro-DCI: 53MC5000 Multi-Loop Process Controller Instruction Manual (406 pages)
- Micro-DCI: 53MC5000 Multi-Loop Process Controller FLEXIBLE CONTROL STRATEGIES (201 pages)
- Micro-DCI: 53MC5000 Multi-Loop Process Controller CUSTOMIZATION GUIDE (123 pages)
- Micro-DCI: 53IT5100B Micro-DCI 4-Channel Indicator Totalizer (71 pages)
- Micro-DCI: 53MC5000 Training Manual (180 pages)
- Micro-DCI: 53SL5100A Single Loop Controller Rev. 1 Firmware (6 pages)
- Micro-DCI: 53SL5100A Single Loop Controller (152 pages)
- Micro-DCI: 53ML5100A LOADING STATION REV. 1 FIRMWARE (20 pages)
- Micro-DCI: 53ML5100A LOADING STATION (55 pages)
- Micro-DCI: 53IT5100A Indicator/Totalizer Rev. 1 Firmware (4 pages)
- Micro-DCI: 53IT5100A Indicator/Totalizer (80 pages)
- MOD: 2001P - MODCELL Logic Control Identity Module (Version 6) System, I/O and Communications Functions (272 pages)
- MOD: 2001P - MODCELL Logic Control Identity Module (Version 6) Algorithms, Tables and Sequential Logic Functions (160 pages)
- MOD: 2004P - MODCELL Continuous Control Identity Module (Version 3) PID and Ramp/Soak Functions (70 pages)
- MOD: 30ML and Modcell Totalization Application Guide (24 pages)
- MOD: 30ML and Modcell Maintenance for 2001N, 2002N, and 1800R (152 pages)
- MOD: Remote I/O Modules for use with 2020N Remote I/O Interface Module (42 pages)
- MOD: MODCELL Multiloop Processor 2002N Model C and Associated Hardware (82 pages)
- MOD: 30ML Installation (106 pages)
- MOD: 30ML Replacement for MOD30 Instruments (36 pages)
- MOD: 30ML Installation for Replacing SLC/CLC Instruments (68 pages)
- MOD: 30ML Function Code Configuration Guide for Replacing SLC/CLC Instruments (394 pages)
- MOD: 30ML Operation and Template Setup (84 pages)
- MOD: 30ML Functions Data Base Reference (152 pages)
- MOD: 30ML Display Script Guide (98 pages)
- MOD: 30ML FrontFace Configuration Charts (6 pages)
- MOD: 30ML Quick Reference Guide (2 pages)
- MOD: 30ML Controller Operation and Maintenance Training Manual (74 pages)
- MOD: Modcell 2050R Users Guide (228 pages)
- MOD: Modcell 2050R MODBUS Communications (70 pages)
- MOD: Modcell 2050R Quick Reference Guide (2 pages)
- MOD: Modcell 2050R Mounting Dimensions (1 page)
- MOD: Modcell 2050R 2050FZ0, QS-1300/1400 to 2050R Conversion Accessory (10 pages)
- MOD: Modcell 2050R 2051FZ2, Foxboro 62H to 2050R Conversion Accessory (4 pages)
- MOD: Modcell 2050R 2051FZ1 and 2051FZ1, Foxboro SPEC 200 to 2050R Conversion Accessory (4 pages)
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- MOD: ICN OPC Server Users Guide (38 pages)