model icm5 – three way isolated serial converter module

Bulletin No. ICM5-E
Drawing No. LP0529
Released 09/14
Tel +1 (717) 767-6511
Fax +1 (717) 764-0839
www.redlion.net
MODEL ICM5 – THREE WAY ISOLATED SERIAL CONVERTER MODULE
(RS-232C/RS-485)
 ALLOWS COMMUNICATIONS BETWEEN RS-232 CONTROL
EQUIPMENT AND PRODUCTS WITH RS-422/RS-485 SERIAL
COMMUNICATIONS
 THREE WAY ISOLATION PROTECTS SERIAL EQUIPMENT FROM
GROUND LOOPS (1000 VDC)
 AUTOMATIC RS-485 DRIVER CONTROL
 DIP SWITCH SELECTABLE BAUD RATES 9600, 19200, 38400,
57600, 115200
 WIDE DC INPUT POWER RANGE (+9 to 26 VDC)
 HALF DUPLEX (RS-485) AND FULL DUPLEX (RS-422)
 LED INDICATION FOR RXD, TXD, and POWER
 9 PIN D-SUB CONNECTOR FOR RS-232 CONNECTION
 UNIVERSAL MOUNTING FOOT FOR DIN RAIL INSTALLATION
 SWITCHABLE TERMINATION AND BIASING RESISTORS
 SELECTABLE DTE & DCE OPERATION WORKS WITH ANY
RS-232 CABLE
 MODULAR RJ JACK OR SCREW TERMINAL FOR RS-485
CONNECTION
UL Recognized Component,
File # E179259
DESCRIPTION
The unit is equipped with a universal mounting foot for attachment to
standard DIN style mounting rails, including top hat profile rail according to EN
50 022 - 35x7.5 and 35x15, and G profile rail according to EN 50 035 - G32.
The ICM5 Serial Converter Module provides the capability of interfacing
equipment with RS-485 serial communications to equipment with RS-232
communications while providing three way isolation. Data format of the
RS-232 and RS-485 equipment must be the same.
The unit can be configured for full duplex (RS-422), or half duplex (RS-485)
operation. In half duplex mode, the RS-485 driver is automatically enabled
using the leading edge of the first character that is received on the RS-232 side.
After the last character is received, the converter waits one character time (at the
selected baud rate) to disable the RS-485 driver.
An external DC power source (+9 to 26 VDC) is required to power the ICM5.
The external power source and RS-485 communications connections are made
via a 7-position removable terminal block located on the front of the module. A
modular RS-485 connector is also provided for fast and efficient connection to
other Red Lion devices that use a modular connector. The RS-232 connection is
provided via a standard D-SUB 9-pin male connector. The ICM5 can be
configured for DTE or DCE operation, allowing the use of modem or nullmodem cables.
There are 3 LEDs that can be viewed from the front of the converter module.
A green power LED indicates power is on, a red RS-232 TXD LED flashes
when the module is transmitting, and a green RS-232 RXD LED flashes when
the module is receiving.
DIMENSIONS In inches (mm)
1. POWER: +9 to 26 VDC @ 125 mA maximum. 85 mA typical
Power Supply must be Class 2 or SELV rated.
2. RS-232 VOLTAGES:
Receive Data Pin: ± 30 VDC max.
Mark Condition: ≤ 0.8 VDC
Space Condition: ≥ 2.4 VDC
Transmit Data Pin:
Mark Condition: -8 VDC (typ.)
Space Condition: +8 VDC (typ.)
3. RS-485 VOLTAGES:
Differential Output Voltage: ± 5 VDC max. under no load
Differential Input Voltage: ± 5 VDC max.
Mark Condition: ≤ -0.2 VDC
Space Condition: ≥ +0.2 VDC
RS-485 Drive Capability: Up to 32 RS-485 receivers connected in parallel
RS-485 Drive Disable Time: one character time (at the set baud rate)
4. MAXIMUM CABLE LENGTH:
RS-232: 50 feet (15.24 m)
RS-485: 4000 feet (1219.2 m)
5. BAUD RATE: 9600 min., 115200 max.
6. ISOLATION: 1000 VDC
7. ENVIRONMENTAL CONDITIONS:
Operating Temperature Range: 0 to 50°C.
Storage Temperature: -40 to + 75°C
Operating and Storage Humidity: 85% max. relative humidity
(non-condensing) from 0 to 50°C
.98
(25)
RS485
RS232
*
*
*
3.5
(89)
SWITCHES
MUST BE SET
IN GROUPS
*
1
2
3
4
5
6
7
*
OFF 422/ ON 485
OFF 422/ ON 485
NC
OFF DCE/ ON DTE
OFF DCE/ ON DTE
OFF DTE/ ON DCE
OFF DTE/ ON DCE
ON
7
SPECIFICATIONS
LEDS
6
PWR
TXD
RXB
RXA
485/
COMM 5
422
3
4
TXB
1
+ VDC
TXA
ON
1
2
3
4
5
6
7
8
9
10
9-26VDC CLASS 2
@ 125mA MAX.
CAUTION:
Read complete instructions prior to
installation and operation of the unit.
.39
(10)
9600 BAUD
19200 BAUD
38400 BAUD
57600 BAUD
115200 BAUD
PULL DOWN
PULL UP
OFF 4 WIRE/ ON 2 WIRE
OFF 4 WIRE/ ON 2 WIRE
120Ω TERMINATION
MADE IN U.S.A.
MODEL ICM5
YORK, PA.
RED LION CONTROLS
All safety related regulations, local codes and instructions that appear in the
manual or on equipment must be observed to ensure personal safety and to
prevent damage to either the instrument or equipment connected to it. If
equipment is used in a manner not specified by the manufacturer, the protection
provided by the equipment may be impaired.
M2869X
PWR
COMM 2
SPLY
3.35
(85.1)
SAFETY SUMMARY
1
Vibration to IEC 68-2-6: Operational 5 to 150 Hz, 2 g.
Shock to IEC 68-2-27: Operational 30 g.
Altitude: Up to 2000 meters
8. CERTIFICATIONS AND COMPLIANCES:
SAFETY
UL Recognized Component, File #E179259
Recognized to U.S. and Canadian requirements under the Component
Recognition Program of Underwriters Laboratories, Inc.
IEC 61010-1, EN 61010-1: Safety requirements for electrical equipment
for measurement, control, and laboratory use, Part 1.
ELECTROMAGNETIC COMPATIBILITY
Immunity to EN 50082-2
Electrostatic discharge
Electromagnetic RF fields
Fast transients (burst)
RF conducted interference
Emissions to EN 50081-1
RF interference
EN 55022 Enclosure class B
Power mains class B
Note:
1. This device was designed for installation in an enclosure. To avoid
electrostatic discharge to the unit in environments with static levels above
4 Kv, precautions should be taken when the device is mounted outside an
enclosure. When working in an enclosure, (ex. making adjustments, setting
switches etc.) typical anti-static precautions should be observed before
touching the unit.
Refer to EMC Installation Guidelines for additional information.
9. CONSTRUCTION: Case body is black, high impact plastic. Installation
Category I, Pollution Degree 2.
10. MOUNTING: Standard DIN rail top hat (T) profile rail according to
EN50022- 35 X 7.5 and 35 X 15
11. WEIGHT: 3.3 oz. (93.6 g)
EN 61000-4-2 Level 2; 4 Kv contact1
Level 3; 8 Kv air1
EN 61000-4-3 Level 3; 10 V/m
80 MHz - 1 GHz
EN 61000-4-4 Level 4; 2 Kv I/O
Level 3; 2 Kv power
EN 61000-4-6 Level 3; 10 V/rms
150 KHz - 80 MHz
BLOCK DIAGRAM
POWER IN
1
+VDC
2 COMM
9 PIN "D"
CONNECTOR
TX/RX
2
TX/RX
3
DTR
4
DSR
6
RTS
7
CTS
8
COMM
5
DTE/DCE
SWITCHES
2 WIRE/
4 WIRE
TD
+5V
4.7K
4 TXA
TX
RD
RS232
BAUD RATE
SWITCHES
3 TXB
120 Ω
TERMINATION
RS485
CONTROL
7 RXA
RX
6 RXB
5 COMMON
4.7K
EMC INSTALLATION GUIDELINES
effective. The following EMI suppression devices (or equivalent) are
recommended:
Fair-Rite part number 0443167251 (RLC part number FCOR0000)
Line Filters for input power cables:
Schaffner # FN2010-1/07 (Red Lion Controls # LFIL0000)
6. To protect relay contacts that control inductive loads and to minimize radiated
and conducted noise (EMI), some type of contact protection network is
normally installed across the load, the contacts or both. The most effective
location is across the load.
a. Using a snubber, which is a resistor-capacitor (RC) network or metal oxide
varistor (MOV) across an AC inductive load is very effective at reducing
EMI and increasing relay contact life.
b. If a DC inductive load (such as a DC relay coil) is controlled by a transistor
switch, care must be taken not to exceed the breakdown voltage of the
transistor when the load is switched. One of the most effective ways is to
place a diode across the inductive load. Most RLC products with solid state
outputs have internal zener diode protection. However external diode
protection at the load is always a good design practice to limit EMI.
Although the use of a snubber or varistor could be used.
RLC part numbers: Snubber: SNUB0000
Varistor: ILS11500 or ILS23000
7. Care should be taken when connecting input and output devices to the
instrument. When a separate input and output common is provided, they
should not be mixed. Therefore a sensor common should NOT be connected
to an output common. This would cause EMI on the sensitive input common,
which could affect the instrument’s operation.
Although Red Lion Controls Products are designed with a high degree of
immunity to Electromagnetic Interference (EMI), proper installation and wiring
methods must be followed to ensure compatibility in each application. The type
of the electrical noise, source or coupling method into a unit may be different
for various installations. Cable length, routing, and shield termination are very
important and can mean the difference between a successful or troublesome
installation. Listed are some EMI guidelines for a successful installation in an
industrial environment.
1. A unit should be mounted in a metal enclosure, which is properly connected
to protective earth.
2. Use shielded cables for all Signal and Control inputs. The shield connection
should be made as short as possible. The connection point for the shield
depends somewhat upon the application. Listed below are the recommended
methods of connecting the shield, in order of their effectiveness.
a. Connect the shield to earth ground (protective earth) at one end where the
unit is mounted.
b. Connect the shield to earth ground at both ends of the cable, usually when
the noise source frequency is over 1 MHz.
3. Never run Signal or Control cables in the same conduit or raceway with AC
power lines, conductors, feeding motors, solenoids, SCR controls, and
heaters, etc. The cables should be run through metal conduit that is properly
grounded. This is especially useful in applications where cable runs are long
and portable two-way radios are used in close proximity or if the installation
is near a commercial radio transmitter. Also, Signal or Control cables within
an enclosure should be routed as far away as possible from contactors, control
relays, transformers, and other noisy components.
4. Long cable runs are more susceptible to EMI pickup than short cable runs.
5. In extremely high EMI environments, the use of external EMI suppression
devices such as Ferrite Suppression Cores for signal and control cables is
Visit RLC’s web site at http://www.redlion.net/Support/InstallationConsiderations.
html for more information on EMI guidelines, Safety and CE issues as they
relate to Red Lion Controls products.
2
SIDE VIEW OF ICM5
LEDS
DTE
Top Bank of 10 Switches
Switches 1-5 - BAUD
Select the appropriate baud rate. This
adjusts the time delay for the automatic
RS-485 driver controller. Only one of the
baud switches should be in the ON position.
ON
ON
1
2
3
4
5
6
7
OFF 422/ ON 485
OFF 422/ ON 485
NC
OFF DCE/ ON DTE
OFF DCE/ ON DTE
OFF DTE/ ON DCE
OFF DTE/ ON DCE
*
*
*
*
*
*
*
*
*
*
*
*
SIG COM
5
1
2
3
4
5
6
7
8
9
10
TX
3
INTERNALLY
JUMPERED
RS232
DIP SWITCH SETTINGS
9600 BAUD
19200 BAUD
38400 BAUD
57600 BAUD
115200 BAUD
PULL DOWN
PULL UP
OFF 4 WIRE/ ON 2 WIRE
OFF 4 WIRE/ ON 2 WIRE
120Ω TERMINATION
RX
2
RS485
ON
ON
7
PWR
TXD
RXD
* - Application Dependent
1
2
3
4
5
6
7
RXA
Note:
Connect shield (drain wire) to earth ground.
*
*
*
*
*
*
*
*
*
*
*
*
6
OFF 422/ ON 485
OFF 422/ ON 485
NC
OFF DCE/ ON DTE
OFF DCE/ ON DTE
OFF DTE/ ON DCE
OFF DTE/ ON DCE
*
SWITCHES
MUST BE SET
IN GROUPS
RXB
1
2
3
4
5
6
7
8
9
10
*
*
INTERNALLY
JUMPERED
485/
COMM 5
422
9600 BAUD
19200 BAUD
38400 BAUD
57600 BAUD
115200 BAUD
PULL DOWN
PULL UP
OFF 4 WIRE/ ON 2 WIRE
OFF 4 WIRE/ ON 2 WIRE
120Ω TERMINATION
*
3
4
ON
1
2
3
4
5
6
7
TXB
TXA
SIG COM
OFF 422/ ON 485
OFF 422/ ON 485
NC
OFF DCE/ ON DTE
OFF DCE/ ON DTE
OFF DTE/ ON DCE
OFF DTE/ ON DCE
DCE
5
1
2
3
4
5
6
7
8
9
10
1
RX
9600 BAUD
19200 BAUD
38400 BAUD
57600 BAUD
115200 BAUD
PULL DOWN
PULL UP
OFF 4 WIRE/ ON 2 WIRE
OFF 4 WIRE/ ON 2 WIRE
120Ω TERMINATION
+ VDC
PWR
COMM 2
SPLY
TX
*
ON
3
9-26VDC CLASS 2
@ 125mA MAX.
MADE IN U.S.A.
MODEL ICM5
M2869X
YORK, PA.
2
RED LION CONTROLS
TYPICAL RS-232 CONNECTIONS
Note:
Connect shield (drain wire) to earth ground.
* - Application Dependent
TYPICAL RS-422 CONNECTIONS
A
DEFAULT SETTINGS
BAUD RATE 9600
DCE
2 WIRE \ RS-485
NO TERMINATION
NO PULL-UP OR PULL DOWN
TX
4 TRANSMIT DATA
B
3 TRANSMIT DATA
+5V
4.7K
120Ω
A
RX
7 RECEIVE DATA
B
6 RECEIVE DATA
Switches 6-7 - PULL UP / PULL DOWN
5 SIGNAL COMMON
These switches connect 4.7 KΩ biasing resistors to the A and B lines of the
485 receiver. To minimize loading of the network, these should only be used if
no other device in the system provides biasing.
Switch 10 - 120 Ω TERMINATION
*
*
*
* ON
1
2
3
4
5
6
7
9600 BAUD 1
19200 BAUD 2
38400 BAUD 3
57600 BAUD 4
115200 BAUD 5
PULL DOWN 6
PULL UP 7
OFF 4 WIRE/ ON 2 WIRE 8
OFF 4 WIRE/ ON 2 WIRE 9
120Ω TERMINATION 10
These switches can be used to internally jumper the A and B lines of the
RS-485 driver and receiver together. This allows 2-wire operation without the
use of external jumper wires. To use the RJ-11 connector, the ICM5 must be in
2-wire mode. Both switches should be in the same position.
OFF 422/ ON 485
OFF 422/ ON 485
NC
OFF DCE/ ON DTE
OFF DCE/ ON DTE
OFF DTE/ ON DCE
OFF DTE/ ON DCE
*
*
*
*
*
*
*
Switches 8-9 - OFF 4 WIRE / ON 2 WIRE
*
ON
4.7K
This switch connects a 120 Ω resistor across the A and B lines of the RS-485
receiver. The use of the resistor prevents signal reflection, or echoing, at high
baud rates, over long distances. This should only be turned on if the ICM5 is
the first, or last, device in a multi-drop network that is experiencing reflection
due to long cable distances.
Notes:
1. Connect shield (drain wire) to earth ground.
2. RS-422 polarity: Terminal “A” is negative with respect to Terminal “B” in the
mark (logic 1) condition.
Bottom Bank of 7 Switches
TYPICAL RS-485 CONNECTIONS
* - Application Dependent
+5V
Switches 1-2 - OFF 422 / ON 485
These switches enable and disable the automatic RS-485 driver control. In
the 422 position, the driver is always enabled, allowing 4-wire full duplex
operation. In the 485 position, the driver is enabled as soon as characters are
received on the RS-232 side. When the RS-485 driver has transmitted the last
character, it waits one character time (at the selected baud rate), and then enters
a high-impedance state. The receiver is also enabled and disabled in a similar
fashion to prevent transmitted characters from being echoed back. This allows
2-wire, half-duplex operation, without the use of handshake lines. Both
switches should be in the same position.
4.7K
120Ω
A
7
TX/RX
B
6
5 SIGNAL COMMON
Switch 3 - N/C
Note:
Connect shield (drain wire)
to earth ground.
3
*
1
2
3
4
5
6
7
OFF 422/ ON 485
OFF 422/ ON 485
NC
OFF DCE/ ON DTE
OFF DCE/ ON DTE
OFF DTE/ ON DCE
OFF DTE/ ON DCE
These switches configure the RS-232 port to act as a DCE or DTE device.
With all of the switches in the DCE position, pin 2 of the DB-9 connector is the
RS-232 receiver, and pin 3 is the RS-232 transmitter. DTE configures pin 2 as
the transmitter, and pin 3 as the receiver. These switches allow the use of
modem or null-modem cables. All of these switches should be in the DCE or
DTE position. No other combinations are valid.
1
2
3
4
5
6
7
8
9
10
Switches 4-7 - OFF DCE / ON DTE
9600 BAUD
19200 BAUD
38400 BAUD
57600 BAUD
115200 BAUD
PULL DOWN
PULL UP
OFF 4 WIRE/ ON 2 WIRE
OFF 4 WIRE/ ON 2 WIRE
120Ω TERMINATION
*
*
*
*
*
*
*
ON
No Connection
*
*
*
* ON
4.7K
* - Application Dependent
TYPICAL CONNECTION FOR RS-485 DEVICES
TX/RX (+)
TX/RX (-)
TX EN.
COMM.
+VDC
RS485
1 2
+ VDC
3
4
5
6
7
8
9 10 11
1
PWR
COMM 2
SPLY
TXB
3
TXA
4
G Rail Installation
LEGEND
485/
COMM 5
422
RXB
6
RXA
7
INSTALLATION
The unit is equipped with a universal mounting foot for attachment to
standard DIN style mounting rails, including G profile rail according to
EN50035 - G32 , and top hat (T) profile rail according to EN50022 - 35 x 7.5
and 35 x 15. The unit should be installed in a location that does not exceed the
maximum operating temperature and provides good air circulation. Placing the
unit near devices that generate excessive heat should be avoided.
12 - B(-)
12 +
13 - A(+)
13 -
14 - COMMON
14 +
15 - N/C
15 -
RLY1
10V
OUT
20mA
OUT
20
COMM
21
RLY2
22
RLY3
23
COMM
24
RLY4
25
To install the ICM5 on a "G" style DIN rail, angle the module so that the
upper groove of the "foot" catches under the lip of the top rail. Push the
module toward the rail until it snaps into place. To remove a module from the
rail, push up on the bottom of the module while pulling out away from the rail.
N/C
COMM
1
2
3
N/C
2
COMM
1
TC
~AC ~AC
RTD
USER INPUTS
3
4
5
6
7
8
9
10
11
*
*
*
* ON
1
2
3
4
5
6
7
NOTE: FOR CONNECTIONS TO RS485
PORT ON PARADIGM PRODUCTS, A &
B ARE REVERSED.
OFF 422/ ON 485
OFF 422/ ON 485
NC
OFF DCE/ ON DTE
OFF DCE/ ON DTE
OFF DTE/ ON DCE
OFF DTE/ ON DCE
9600 BAUD 1
19200 BAUD 2
38400 BAUD 3
57600 BAUD 4
115200 BAUD 5
PULL DOWN 6
PULL UP 7
OFF 4 WIRE/ ON 2 WIRE 8
OFF 4 WIRE/ ON 2 WIRE 9
120Ω TERMINATION 10
*
*
*
*
*
ON
PAX
* - Application Dependent
TYPICAL RS-485 CONNECTIONS USING RJ-11
ICM5
RED LION
PRODUCT
W/RJ11
1
2
3
4
5
6
7
8
9
T Rail Installation
To install the ICM5 on a "T" style rail, angle the module so that the top
groove of the "foot" is located over the lip of the top rail. Push the module
toward the rail until it snaps into place. To remove a module from the rail,
insert a screwdriver into the slot on the bottom of the "foot", and pry upwards
on the module until it releases from the rail.
10 11 12
1
2
3
4
5
6
7
OFF 422/ ON 485
OFF 422/ ON 485
NC
OFF DCE/ ON DTE
OFF DCE/ ON DTE
OFF DTE/ ON DCE
OFF DTE/ ON DCE
*
*
*
*
1
2
3
4
5
6
7
8
9
10
9600 BAUD
19200 BAUD
38400 BAUD
57600 BAUD
115200 BAUD
PULL DOWN
PULL UP
OFF 4 WIRE/ ON 2 WIRE
OFF 4 WIRE/ ON 2 WIRE
120Ω TERMINATION
*
*
*
*
*
ON
CBJ11BD5
RJ-11 JUMPER
ON
RS232
CABLE
* - Application Dependent
ORDERING INFORMATION
MODEL NO.
DESCRIPTION
ICM5
RS-232/RS-485 Converter Module
PART NUMBER
ICM50000
CBJ
6" RJ-11 Jumper Cable
CBJ11BD5
TROUBLESHOOTING
For further technical assistance, contact technical support at the
appropriate company numbers listed.