1
DESCRIPTION
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 null-
modem 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.
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.
SAFETY SUMMARY
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.
SPECIFICATIONS
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
MODEL ICM5 – THREE WAY ISOLATED SERIAL CONVERTER MODULE
(RS-232C/RS-485)
(85.1)
3.35
(89)
3.5
.39
(10)
(25)
.98
COMM
COMM
PWR
TXD
RS485
M2869
X
MADE IN U.S.A
.
RED LION CONTROLS
57600 BAU
D
115200 BAU
D
38400 BAU
D
OFF 4 WIRE/ ON 2 WIRE
OFF 422/ ON 485
120
Ω
TERMINATION
OFF 4 WIRE/ ON 2 WIRE
OFF DCE/ ON DT
E
OFF DTE/ ON DCE
OFF DTE/ ON DC
E
OFF DCE/ ON DT
E
OFF 422/ ON 485
YORK, PA
.
MODEL ICM5
MUST BE SET IN GROUPS
SWITCHES
*
*
*
* *
@ 125mA MAX.
9-26VDC CLASS
2
19200 BAU
D
9600 BAUD
PULL UP
PULL DOWN
RS232
10
6
2
1
3
5
4
7
9
8
NC
1
3
4
5
2
6
7
SPLY
PWR
ON
+ VDC
422
485/
LEDS
ON
RXA
RXB
TXB
TXA
2
1
4
3
5
6
7
DIMENSIONS In inches (mm)
CAUTION:
Read complete instructions prior to
installation and operation of the unit.
9 PIN D-SUB CONNECTOR FOR RS-232 CONNECTION
SWITCHABLE TERMINATION AND BIASING RESISTORS
MODULAR RJ JACK OR SCREW TERMINAL FOR RS-485
CONNECTION
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
UNIVERSAL MOUNTING FOOT FOR DIN RAIL INSTALLATION
SELECTABLE DTE & DCE OPERATION WORKS WITH ANY
RS-232 CABLE
Bulletin No. ICM5-E
Drawing No. LP0529
Released 09/14
UL Recognized Component,
File # E179259
