Lumel SM5 User manual

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USER’S MANUAL
MODULE
WITH 8 LOGIC
INPUTS
SM5 TYPE

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CONTENTS
1. APPLICATION..................................................................................5
2. MODULE SET..................................................................................5
3. BASIC REQUIREMENTS AND OPERATIONAL SAFETY..............6
4. INSTALLATION................................................................................8
4.1. Module fixing ............................................................................8
4.2. Electrical connections...............................................................8
5. SERVICE........................................................................................11
5.1 Description of the MODBUS protocol implementation ........... 11
5.2 Description of the MODBUS protocol functions .....................12
5.3. Map of module registers.........................................................15
5.4. Set of module registers ..........................................................16
6. TECHNICAL DATA ........................................................................20
7. BEFORE A DAMAGE WILL BE DECLARED ...............................21
8. ORDERING CODES ......................................................................22
9. MAINTENANCE AND GUARANTEE ............................................23

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1. APPLICATION
The SM5 module has 8 logic inputs and RS-485 and RS-232 interfaces with
MODBUS RTU and ASCII transmission protocols.
It is destined to readout logic states of logic inputs and enables their access in
industrial systems. Ports in RS-485 and RS-232 are galvanically isolated from
input signals and the supply. The module programming is possible by means of the
RS-485 or the RS-232 port. Configurable baud rate: 2400, 4800, 9600, 19200,
34800, 57600, 115200 bit/s. The SM5 module set includes a connecting cable to
connect with the PC computer (RS-232).
2. MODULE SET
The set consists of:
- SM5 module ................................................................... 1 pc.
- user’s manual................................................................. 1 pc.
- guarantee card ............................................................... 1 pc.
- plug with BU1005 screw terminals ................................. 2 pcs
- plug with BU0204 screw terminals ................................. 2 pcs
- RS-232 socket hole plug ................................................ 1 pc
- RS-232 wire to connect with the computer (1.5 m.) ....... 1 pc
When unpacking the module, please check whether the type and version code
on the data plate correspond to the order.

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3. BASIC REQUIREMENTS, SAFETY INFORMATION
Symbols located in this service manual mean:
WARNING!
Warning of potential, hazardous situations. Especially important, one
must acquaint with this before connecting the module. The non-obser-
vance of notices marked by these symbols can occasion severe injuries
of the personnel and the damage of the module.
CAUTION!
Designates a general useful note. If you observe it, handling of the
module is made easier. One must take note of this, when the module
is working inconsistently to the expectations. Possible consequences
if disregarded !
In the security scope the module the requirements of the EEC. Low-Voltage Directive
(EN 61010 -1 issued by CENELEC).
Remarks concerning the operator safety:
1. General
The SM5 module is destined to be installed in measuring systems,
on a 35 mm mounting rail
Non-authorized removal of the required housing, inappropriate use, incorrect
installation or operation creates the risk of injury to personnel or damage to
equipment. For more detailed information please study the user’s manual.
All operations concerning transport, installation, and commissioning as well
as maintenance must be carried out by qualified, skilled personnel and
national regulations for the prevention of accidents must be observed.
According to this basic safety information, qualified, skilled personnel are
persons who are familiar with the installation, assembly, commissioning, and
operation of the product and who have qualifications necessary for their
occupation.
2. Transport, storage
Please observe the notes on transport, storage and appropriate handling.
Observe the climatic conditions given in technical data.
3. Installation
The module must be installed according to the regulation and instructions
given in this user’s manual.
Ensure proper handling and avoid mechanical stress.
Do not bend any components and do not change any insulation distances.

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Do not touch any electronic components and contacts.
Modules may contain electrostatically sensitive components, which can
easily be damaged by inappropriate handling.
Do not damage or destroy any electrical components since this might
endanger your health!
4. Electrical connection
Before switching the module on, one must check the correctness of
connection to the network.
In case of the protection terminal connection with a separate lead, one must
remember to connect it before the connection of the module to the mains.
When working on live modules, the applicable national regulations for the
prevention of accidents must be observed.
The electrical installation must be carried out according to the appropriate
regulations (cable cross-sections, fuses, PE connection). Additional
information can be obtained from the user’s manual.
The documentation contains information about installation in compliance with
EMC (shielding, grounding, filters and cables). These notes must be observed
for all CE-marked products.
The manufacturer of the measuring system or installed devices is responsible
for the compliance with the required limit values demanded by the EMC
legislation.
5. Operation
Measuring systems including SM5 modules must be equipped with protection
devices according to the corresponding standard and regulations for
prevention of accidents.
After the instrument has been disconnected from the supply voltage, live
components and power connections must not be touched immediately
because capacitors can be charged.
The housing must be closed during operation.
The RS-232 socket serves only to connect the device (Fig. 2) working with
the MODBUS protocol. When the module is not used, place the hole plug in
the RS-232 socket of the module.
6. Maintenance and servicing
Please observe the manufacturer’s documentation.
Read all product-specific safety and application notes in this user’s manual.
Before taking the module out, one must turn the supply off.
The removal of the module housing during the guarantee period may cause
its cancellation.

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Fig.1. Overall dimensions and way of the module fixing
4. INSTALLATION
4.1 Module fixing
The SM5 module is fixed on a 35 mm rail in accordance with EN 60715. The module
housing is made of a self-extinguishing plastic. Overall dimensions of the housing:
45 x 120 x 98 mm.
Overall dimensions and the fixing way are presented on the fig. 1.
4.2. Electrical connections
Following external wires can be connected to the module:
- up to 2.5 mm2cross-section (from supply and interface side),
- up to 1.5 mm2cross-section (from input signal side).
Caution:
One must pay special attention to the correct connection of external sig-
nals (see fig. 2)

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Fig 2. Electrical connections of SM5 logic input module
There are three diodes on the frontal plate:
green - signals switching the supply on
green (RxD) - signals data reception through the module
yellow (TxD) - signals data transmission through the module
Caution:
Regarding electromagnetic interference one must use shielded wires to
connect binary input signals and RS-485 interface signals. The shield must
be connected to the protective terminal in one point.

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The „+” signal (terminal 10) is the 5 V output with admissible overload 100 A. One
must connect binary signals to the mass and appropriate output terminal.
The way to connect interfaces are shown on g. 3 and 4. To obtain a correct trans-
mission through the RS-485 interface it is necessany to connect lines A and B lines
in parallel with their equivalents in other devices. The connection must be made
with a shielded wire. The shield must be connected to a shielded wire. The shield
must be connected to the protective terminal, in one point.
The GND line serves to equalize potentials of interface lines in the communicating
devices.
To obtain the communication with the computer of PC class throught the RS-485
port, it is essential to apply an RS-232/RS-485 converter (e.g. PD51 from Lumel
production) or an RS-485 interface card. Marking of transmission lines for the card
in the PC computer depends on the card producer.
To obtain the connection through the RS-232 port, the added wire in the module
set, is sufcent.
The module can be connected to a device of master type through one interface
port. In case of the simultaneous connection of both ports, the module will work
through the RS-232 interface
Fig. 3 Way of the RS-485 interface connection.

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Fig. 4 Way of the RS-232 interface connection.
5. SERVICE
After connecting external signals and switching the supply on, the SM5 module is
ready to work.
The lighted green diode signals the module work. The green diode (RxD) signals
the module polling, however the yellow diode (TxD) signals the module response.
Diodes should ignite in cycles during the data transmission, through the RS-232 or
the RS-485 interface. Programmable parameters of the module can be programmed
by means of RS-232 or RS-485 ports.
The RS-232 port has constant transmission parameters acc. to technical data, what
enables the connection to the module even when programmed parameters of the
digital RS-485 output (address, mode, rate) are unknown
The RS-485 standard allows to the direct connection to 32 devices on a single serial
link up to 1200 m. To connect a greater number of devices it is necessary to use
additional intermediate-separating systems (e.g. the PD51 converter/repeater).
5.1. Description of MODBUS protocol implementation
The transmission protocol describes ways of the information exchange between
devices through serial links.
The MODBUS protocol has been implemented in the module in accordance with
the PI-MBUS-300 Rev G specification of the Modicon company.
Set of parameters of the module serial link in the MODBUS protocol:
module address - 1... 247
baud rate - 2400, 4800, 9600, 19200, 38400, 57600, 115200 bit/s
working modes - ASCII, RTU

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information unit - ASCII: 8N1, 7E1, 7O1
- RTU: 8N2, 8E1, 8O1, 8N1
maximal response time - 300 ms.
The parameter configuration of the serial link is described in the further part of the
user’s manual. It consists on establishing the baud rate (baud parameter), device
address (Adr parameter) and the information unit type (Mode parameter).
In case of the module connection with the computer through the RS-232 wire, the
module set automatically following transmission parameters:
Baud rate: 9600 bps,
Working mode: RTU 8N1,
Address: 1.
Notice: Each module connected to the communication network must:
have a unique address, different from addresses of other devices
connected to the network,
identical baud rate and information unit type,
the message sent with the address „0” is identified as the data
transmission mode (transmission to many devices).
5.2. Description of the MODBUS protocol function
Following functions of the MODBUS protocol have been implemented in the SM5
module.
Readout of n-registers (code 02h)
The function is not accessible in the broadcast mode.
Example: Readout of 8 bit registers beginning by the register with the
07D0h (2000) address
Request:
Code Signification
02 (02h) Readout of n-bit registers
03 (03h) Readout of n-register
04 (04h) Write of n-input registers
06 (06h) Write of a single register
16 (10h) Write of n-registers
17 (11h) Slave device identification
Description of MODBUS protocol functions Table 2
7941
Device
address
Checksum
CRC
Function Hi
01 02 07 D0 00
Lo Hi Lo
08
Register address Number of registers

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Answer:
6048
Device
address
Checksum
CRC
Function Number
of bytes
01 02 01
Value from the register
2200 - 2207
01
Answer:
42 8B
Device
address
Checksum
CRC
Function Number
of bites
01 03 08
Value from the register
1DBD (7613)
40
Value from the register
1DBE (7614)
00 00 000000803F
52 43
Device
address
Checksum
CRC
Function
Register
address
Hi
01 03 1D BD 00
Register
address
Lo
Number of
registers
Hi
Number of
registers
Lo
02
Readout of n-registers (code 03h)
The function is not accessible in the broadcast mode.
Example: Readout of 2 registers with 1DBDh (7613) address:
Request:
78 F0
Device
address
Checksum
CRC
Function Number
of bytes
01 04 02
Value from the register
0FA3 (4003)
0100
Answer:
C2 FC
Device
address
Checksum
CRC
Function
Register
address
Hi
01 04 0F A3 00
Register
address
Lo
Number of
registers
Hi
Number of
registers
Lo
01
Readout of n-input registers (code 04h)
The function is not accessible in the broadcast mode.
Example: readout of 1 register with the 0FA3h (4003) address
Request:

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Write of values in the register (code 06h)
The function is accessible in broadcast mode.
Example: Write of the register with 1DBDh (7613) address
Answer:
85 AD
Device
address
Checksum
CRC
Register
address
Hi
01 06 1D BD 3F
Register
address
Lo
00
80 00
Value from the register
1DBD (7613)
Function
85 AD
Device
address
Checksum
CRC
Register
address
Hi
01 06 1D BD 3F
Register
address
Lo
00
80 00
Value from the register
1DBD (7613)
Function
Request:
Write into n-registers (code 10h)
The function is accessible in the data transmission mode.
Example: Write 2 registers beginning from the register with 1DBDh (7613) address.
Request:
03 09
Device
address
Check-
sum
CRC
Function
Number
of bytes
01 10 BD
Value from the register
1DBD (7613)
40
Value from the
register
1DBE (7614)
00 00 00000080
3F
Hi
1D
Lo Hi Lo
00 02 08
Register
address
Number of
registers
Answer:
Device
address
Checksum
(CRC)
Function
Register
address
Hi
Number of
registers
Hi
01 10 1D BD 00 D7 80
Register
address
Lo
Number of
registers
Lo
02
Report identifying the device (code 11h)
Request:
Device
address
Checksum
(CRC)
Function
01 11 C0 2C
XXXX
Device
address Checksum
Function Number of
bytes
Device identier Device
state
Software version
number
01 11 06 8D FF
Answer:

15
Device address - depends on the set value,
Function - function number: 0x11,
Number of bytes - 0x08
Device identifier - 0x8F
Device state - 0xFF
No of the software version - software version implemented in the module:1.00
software XXXX - 4-byte variable of float type
Checsum - 2 bytes, in case of work in the RTU mode
- 1 byte, in case of work in the ASCII mode
5.3. Register map of the module
Register map of SM5 module series Table 2
3F 80 00 00
Device
address
Checksum
CRC
Function Number
of bytes
Device
identier
Device
state
Nunber of
softwer wersion
01 11 06 8E FF AE 1B
Example:
The work in RTU mode, e.g.: Mode = RTU 8N2 (value 0x02 in case of
readout/write through the interface).
Device address set on Adr=0x01,
For the SM5 module, the response frame has the following shape:
Jest to moduł SM5, wersja oprogramowania 1.00
The value is located in the 32-bit register. Registers can be
read out and written.
4000-4100 integer
(16 bitów)
4200-4300 integer
(16 bitów)
The value is located in 16-bit registers. The register content
corresponds to the 32-bit register contents from the 7600
area. Registers can be read out and written.
7600-7700 float (32 bity)
The value is located in 16-bit registers. The register content
corresponds to the 32-bit register contents from the 7500
area. Registers are only for readout.
7500-7600 float (32 bity) The value is located in the 2-bit register. Registers are only
for readout.
2000-2007 bool (1 bit) The value is located in 1-bit register. Registers can be read
out and written.
Description
Address
range Value type

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5.4. Set of module registers
Set of registers for readout the SM5 module Table 3
Description of the Status1 register
X X X X X X X X X X X X X X X X
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
bits
MSB LSB
State IN1 State IN2 State IN3 State IN4 State IN5 State IN6 State IN7 State IN8
Name
Unit
Quantity name
Constant identifying the device
4000 Identifier o
Write (w)/Readout (r)
Status 1 o –
The value is placed in 1-bytes registers. These registers con- tent corresponds to the content of 32-bit registers from the area 7500. The value is placed in 16-by- tes registers. These registers content corresponds to the content of 32-bit registers from the area 7500. The value is placed in 32-bytes registers.
7500
4001 7501
–
Status 1 is a register describing
current states of binary inputs.
Status 2 o –
4002 7502 Status 2is a register describing
current transmission parameters.
W1 o –
4003 7503 Value of read out state of input 1 2000
W2 o –
4004 7504 Value of read out state of input 2 2001
W3 o –
4005 7505 Value of read out state of input 3 2002
W4 o –
4006 7506 Value of read out state of input 4 2003
W5 o –
4007 7507 Value of read out state of input 5 2004
W6 o –
4008 7508 Value of read out state of input 6 2005
W7 o –
4009 7509 Value of read out state of input 7 2006
W8 o –
4010 7510 Value of read out state of input 8 2007

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Bit-15...8 not used
State 0
Bit- 0 State of IN 1 input
0 - open
1 - shorting
Bit- 1 State of IN 2 input
0 - open
1 - shorting
Bit- 2 State of IN 3 input
0 - open
1 - shorting
Bit- 3 State of IN 4 input
0 - open
1 - shorting
Bit- 4 State of IN 5 input
0 - open
1 - shorting
Bit- 5 State of IN 6 input
0 - open
1 - shorting
Bit- 6 State of IN 7 input
0 - open
1 - shorting
Bit- 7 State of IN 8 input
0 - open
1 - shorting

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Bit-15...6 Not used
Their States are free
Bit-5...3 Operating mode and information unit
000 - interface switched off
001 - 8N1 - ASCII
010 - 7E1 - ASCII
011 - 7O1 - ASCII
100 - 8N2 - RTU
101 - 8E1 - RTU
110 - 8O1 - RTU
111 - 8N1 - RTU
Bit-2...0 Baud rate
000 - 2400 bit/s
001 - 4800 bit/s
010 - 9600 bit/s
011 - 19200 bit/s
100 - 38400 bit/s
101 - 57600 bit/s
110 - 115200 bit/s
Description of the Status 2 register
X X X X X X X X X X X X X X X X
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
bits
MSB LSB
Operating
mode and in-
formation unit
Baud rate

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Set of registers for SM5 module readout and write Table 4
Symbol Range Description
Device identifier
4200 7600 Identifier r 8D
The value is placed in 16-by- tes registers. These registers content corresponds to the content of 32-bit registers from the area 7600. The value is placed in 32-bit registers.
Write (w)/Readout (r)
Value
0 2400
1 4800
2 9600
3 19200
4 38400
5 57600
6 115200
Baud rate of the RS-485
interface (bit/s)
4201 7601 Rate w/r 0... 6
Kind of transmission via the RS-485
interface
4202 7602 Mode w/r 0... 7
Value
0 Interface switched off
1 ASCII 8N1
2 ASCII 7E1
3 ASCII 7O1
4 RTU 8N2
5 RTU 8E1
6 RTU 8O1
7 RTU 8N1
Device address
4203 7603 Address w/r 1... 247
Register confirming changes
of transmission parameters
4204 7604 Apply w/r 0... 1

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6. TECHNICAL DATA
Logic levels 1 logic: shorted input
0 logic: open input
shorting resistance of the contact without
potential 10 k
opening resistance of the contact without
potential 150 k
Transmission data:
a) RS-485 interface:
- transmission protocol MODBUS
- ASCII: 8N1, 7E1, 7O1
- RTU: 8N2, 8E1, 8O1, 8N1
- baud rate: 2400, 4800, 9600, 19200,
38400, 57600, 115200 bit/s
- address: 1... 247
b) RS-232 interface:
- transmission protocol MODBUS
- RTU: 8N1
- baud rate: 9600 bit/s
- address: 1
Power consumption by the module 1.5 VA
Rated operation conditions:
- supply voltage 10...24...50 V a.c./d.c.
or 85...230...253 V a.c./d.c.
- Supply voltage frequency 40...50/60...440 Hz
- ambient temperature -20...23...55°C
- relative humidity < 95% (inadmissible condensation)
- external magnetic field < 400 A/m
- work position any
Storage and transport conditions:
- ambient temperature - 20... 70°C
- relative humidity < 95% (inadmissible condensation)
Ensured protection grade:
- from the housing IP 40
- from terminal side IP 20