Acksys MI400 Series Guide

COMMUNICATIONS AND SYSTEMS
MI400 Series
MI400/RTS Series
MI400-400 Series
&
RKMI, RDMI Options
INDUSTRIAL ADAPTER
RS232D/RS422A-RS485
TECHNICAL DOCUMENTATION

Page i
MI400, MI400/RTS, MI400-400 Series & RKMI, RDMI Option
Technical documentation
REV D.01 05/11/98 (DTUS018)
MI400 Series
MI400/RTS Series
MI400-400 Series
&
RKMI RDMI Options
INDUSTRIAL ADAPTER RS232D/RS422A-RS485
CONTENTS PAGE
SECTION 1 General Presentation
Summary board of all series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Mechanical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Electrical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
SECTION 2 MI400 Series
Block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
MI400. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
RKMI400. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
MI400-24V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4
Timing diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
SW1, SW2, SW3 switch settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
RTS signal generation by bridging the RX (DCE) . . . . . . . . . . . . . . . . 2-7
RTS signal generation by bridging the RX (DTE) . . . . . . . . . . . . . . . . 2-8
Use in RS423A mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Dimension of MI400 Series (box format) . . . . . . . . . . . . . . . . . . . . . . . 2-10
SECTION 3 MI400/RTS Series
Block diagram . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
MI400/RTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
RKMI400/RTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3
MI400-24V/RTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
SW1, SW2, SW3 switch settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-5
SW4 & SW5 switch settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Assembling 2 units for use as RS485 repeater (switch settings) . . . . . . 3-7
Timing diagram of MI400/RTS Series . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Dimension of MI400/RTS Series (box format) . . . . . . . . . . . . . . . . . . . 3-9

Page ii
MI400, MI400/RTS, MI400-400 Series & RKMI, RDMI Option
Technical documentation
REV D.01 05/11/98 (DTUS018)
SECTION 4 MI400-400 Series
MI400-400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
SW3A & SW3B switch settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
SW4A & SW4B switch settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Dimension of MI400-400 Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
SECTION 5 Assembly example
Box’s assembly (with the fixing plate ). . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Example of MI400 assembly’s with the fixing plate . . . . . . . . . . . . . . 5-2
Example of MI400 assembly’s with the RDMI Option . . . . . . . . . . . . 5-3
Description of the 19 ″RKMI rack. . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Position in the 19 ″RKMI rack & assembly of protective plexiglas . . 5-5
SECTION 6 Temperature Test
Burn-in test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1
Component test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Reliability test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
APPENDIX
Appendix A
Distribution signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 and A-2
Appendix B
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-1
Appendix C
Extracts from the EIA standard . . . . . . . . . . . . . . . . . . . . . . . . . . C-1
Cable length for an RS422A or RS485 line. . . . . . . . . . . . . . . . . C-7

SECTION 1
General Presentation :
MI400
MI400/RTS
MI400-24V
MI400-24V/RTS
MI400-400
RKMI400
RKMI400 /RTS
RDMI Option
RKMI Option

NOTES

Page 1-1
MI400 , MI400/RTS , MI400-400 Series
RKMI, RDMI Options
MI400 SERIES MI400/RTS SERIES MI400-400 SERIES
115V/230V 24V 115V/230V 24V 115V/230V 24V
BOX MI400 MI400-24V1MI400/RTS MI400-24V/RTS1MI400-400
RACK RKMI400 RKMI400/RTS
 RDMI Option : Support plate for DIN RAIL available for all MI400,
MI400/RTS, MI400-400 series in box format
−MI400 + RDMI = RDMI400
−MI400-24V + RDMI = RDMI400-24V
−MI400/RTS + RDMI = RDMI400/RTS
−MI400-24V/RTS + RDMI = RDMI400-24V/RTS
−MI400-400 + RDMI = RDMI400-400
 RKMI Option : 19 ″RACK available for RKMI400 & RKMI400/RTS
5 YEAR GUARANTEE, PARTS AND LABOUR
(except protection elements)
1MI400-24V & MI400-24V/RTS always sold with RDMI Option

Page 1-2
MECHANICAL CHARACTERISTICS
MI400, MI400/RTS
10/10 mm stackable sheet steel box,
(maximum 4 boxes) with fast locking,
supplied with fixing angle brackets
allowing vertical or horizontal
(above/below) mounting, finished in
textured epoxy powder and equipped with:
RKMI400, RKMI400/RTS
Simple Europe format board with 9F
aluminium front. Natural anodised finish.
Extraction handle and ¼ turn fast
locking, equipped with:
REAR
RS232D side
-1 SUB D 9 point male connector (EIA 574 "IBM PC type") and, as an
option, 1 SUB D 25 point male or female connector for MI400 & RKMI400
-1 SUB D 9 point male connector (EIA 574 "IBM PC type"), 2 configuration
DIP switches for automatic transmission control (CAT) for MI400/RTS &
RKMI400/RTS
RS422A-RS485 side
-male screw-in connecting terminal with 5 pins (female locking connector
and protective cover supplied).
-1 power cable
FRONT
-3 configuration dip switches
-6 indicator LEDs
configuration is possible without dismounting the box (or the board for the
RKMI400
version).
At the level of the bottom cover (or the soldered side of the printed circuit for the
RKMI400 version):
-access to strap ST2 of the anti-lightning option

Page 1-3
MI400 & MI400/RTS Series
Indicators:
-power indicator
-TX, RX, RTS/DTR, CTS, DSR/DCD signal status indicators
Configuration:
-selection of DTE/DCE, RS422A/RS485
-ECHO = transmission/reception looping in RS485 mode
-selection of transmission control signal (RTS, DTR or permanent
transmission)
-selection of control signal status (DCD, DSR, CTS) active, inactive,
controlled by RTS or DTR
-selection of CTS timeout (0 ms or 20 ms)
-selection of termination resistors (RS422A and RS485)
-selection of line bias (RS422A and RS485)
MI400/RTS Series only :
-selection of frame format
-selection of automatic transmission validation by RTS, DTR or
in PERMANENT mode
MI400-400 Series
Indicators:
-Power indicator (PWR)
-For line A TXA & RXA signal status indicators
-For line B TXB & RXB signal status indicators
Configuration:
-selection of termination resistors (RS422A and RS485)
-selection of line bias (RS422A and RS485)
-selection of frame format
-automatic transmission control (CAT)

Page 1-4
RKMI
19" 3U rack (EUROPAC-RATIONAL 84F) in aluminium, natural anodised finish,
with handles, main switch equipped with protective cover, main fuse and power cable.
It can take 8 RKMI400 boards (or any other boards in rack format ) and it provides
power distribution to the boards. The rear is closed with windows for the various
RKMI board connectors.
RDMI
Supporting plate for attaching up to 3 boxes on symmetrical sections (DIN RAIL) as
per EN 50022 (only 1 MI400-400 per rail).

Page 1-5
Dimensions and weight:
Temperature range
Humidity
MI400
length: 180 mm width: 102 mm
thickness:50.5 mm weight: 970 g max
MI400/RTS
length: 180 mm width: 102 mm
thickness:50.5 mm weight: 980 g max
MI400-24V
length: 180 mm width: 102 mm
thickness:50.5 mm weight: 820 g max
MI400-24V/RTS
length: 180 mm width: 102 mm
thickness:50.5 mm weight: 830 g max
MI400-400
length: 180 mm width: 100 mm
thickness: 88 mm weight: 1430 g max
RKMI400
length: 169 mm width: 100 mm
thickness:45.5 mm weight: 380 g max
RKMI400/RTS
length: 169 mm width: 100 mm
thickness:45.5 mm weight: 390 g max
RKMI
width: 483 mm height: 132.5 mm
depth: 213 mm weight: 2280 g empty
RDMI
width: 185 mm height: 102 mm
depth: 23.5 mm from the rail
weight: 150 g empty
- 5°C to + 65°C
0 to 95% RH, without condensation

Page 1-6
ELECTRICAL CHARACTERISTICS
Power supply
230 V A.C. version
(115 V A.C. version on option)
24 V D.C. power supply
Protection against transient
network overvoltages and
overcurrents
Protection against mains supply
brownouts(operation reserve)
Transmission type
System interface (execpt MI400-400)
Line interface
Signals converted
Control signals (execpt MI400-400)
Other signals (execpt MI400-400)
Speed (NRZ)
Maximum line voltage in common
mode
148 V A.C. to 253 V A.C.
74 V A.C. to 127 V A.C.
50/60 Hz
6 VA maximum ; (MI400-400→12VA).
FCC and VDE 0871 limit B
Power cable 2 metres long, equipped with a 16
A 2 free connector + EUROPEAN standard
ground
20V D.C. to 30V D.C.(cons. current 150 mA)
By GE-MOV, ignition voltage 275 V A.C.,
absorption capacity 14 joules and 0.1 amp fuse
temporising the mains current limitation.
Minimum 100 ms at 230 V A.C.
Asynchronous, full duplex, half-duplex,
simplex.
EIA RS232D/CCITT V24, EIA 574
EIA RS422A - EIA RS485/CCITT V11
RX and TX
RTS or DTR allowing transmission
validation,
RTS or DTR at 0= transmitter enabled
RTS or DTR at 1= transmitter disabled
Or by the CAT circuit (automatic transmission
validation) available on models MI400/RTS
Series only.
CTS, DSR, DCD
0 to 115.2 Kbits /sec minimum,
250 Kbits/sec typical.
150 to 115.2 Kbits/sec for models
MI400/RTS and RKMI400/RTS
±7 V

Page 1-7
Distortion
(deviation in relation to I/O pulses)
Input/output delay
Maximum load in RS422A
(limited by EIA standard)
Maximum load in RS485
(limited by EIA standard)
Maximum load in RS422A or
RS485 HOMOGENOUS
NETWORK based on MI400xxx,
RKMI400xxx
Input resistor
(RS422A or RS485 interface)
Maximum transmission, line
interface distance
(RS422A-RS485)
(limited by EIA standard,
depending on the speed and type of
cable used)
Type of cable to use
(RS422A-RS485)
Transmission, system interface
distance (RS232D)
Protection against transient
overvoltages (RS232D)
0.2% at 112 Kbits/sec
1.8% at 250 Kbits/sec
< 1 µsec
10 receivers
32 transmitters/receivers
256 interfaces
70 Kohms minimal, 96 Kohms typical.
1,200 meters for 24 gauge (0.22 mm²) cable
with a capacity of 50 pF/m between conductors
24 gauge twisted pairs, 50 pF/m, and nominal
impedance of 120 Ohms.
High interference in industrial environments,
requiring use of a ground screen (capacity
between ground screen and conductor and 75
pF/m)
Minimum 15 meters
By peaks, breakdown voltage ±7 V in common
mode, ±14 V in differential mode, absorption
capacity: 0.4 kW for 1 ms.

Page 1-8
Protection against permanent
overvoltages
(RS422A-RS485)
without "lightning" option
with "lightning" option
Protection against lightning
(RS442A-RS485)
Ground connection mandatory.
Protection against transient
overvoltages(RS232D)
Protection against electrostatic
discharges as per IEC 801-2
(RS422A-RS485)
The upper limit of the standard is
greatly exceeded (level 4 voltage
15 KV maximum). In addition, the
standard only stipulates single
discharges applied to the outer
envelope of the product to be
tested and not directly on the
signal.
High voltage varistors, maximum default line
voltage in differential mode:
130 V D.C. permanently
300 V A.C. for 20 minutes
(direct connection with mains)
140 V A.C. for 20 minutes
Gas spark arrestor (option)
20,000 A 8/20 µsec exposure.
By peaks, breakdown voltage ±25 V in
common mode, absorption capacity: 0.3 kW for
1 ms.
Line side with "lightning" option
(RS422A-RS485)
Single strike test:
> 21 KV
Pulse test at 20 Hz:
length 1sec = > 21 KV
length 5sec = > 21 KV
Line side without "lightning" option
Single strike test:
> 21 KV
Pulse test at 20 Hz:
length 1sec = > 20 KV
System side (RS232D)
Single strike test:
> 21 KV
Pulse test at 20 Hz:
length 1sec = > 21 KV
length 5sec = > 21 KV
On the box: 25 KV
(single strike and pulse)

Page 1-9
Galvanic isolation
(test voltage 1 minute)
RS422A-RS485/RS232D
(without “lightning option”)
RS422A-RS485/mains
(without “lightning option”)
RS232D/mains
Immunity to transients
(RS422A-RS485)
Optoconnectors and transformer.
Mains at high isolation: 5 KV effective.
Minimum 4,000 V effective
Typically 5,000 V effective
5,000 V effective
3,000 V effective
(isolation rupture owing to ground connection)
10,000 V/µs at Vcm = 1,000 V

NOTES

SECTION 2
MI400 Series :
MI400
RKMI400
MI400-24V

NOTES

MI400 SERIES
P2 P1
3
300W
TXD
RTS
2
VCCA
SW1
SW2-1
SW2-2
470
RS232D 115.2 Kbits/S
DTE
DCE
TTL
10KV/uS Vcm 1KV
SW3-9
TTL
RT485
SW3-6
110
RS422A-485
400W
400W
P3
3
+TX/+RX
+TX
EC1
5KA
4
-TX/-RX
-TX
SW3-7
ECHO
VCCB
ncnc
SW3-10
-BIAS
SW2-4
SW2-3
7
4
2
8
DTR
RXD
CTS
5
3
20
4
1
6
5
DCD
DSR
GND
PGN
1
7
6
8
VCCA
SW2-8
SW2-7
220
470
400W
SW2-6
20mS
SW2-5
VCCA
RS422
RS485
SW3-5
SW3-1
470
+BIAS
SW3-8
SW3-3
SW3-4
1
+RX
EC2
5KA
RT422
RS422A
SW3-2
110
400W
400W
nc
VCCA
T
X
R
X
VCCA
R
T
S
/
D
T
R
P
O
W
E
R
VCCA
C
T
S
D
S
R
/
D
C
D
CONNECTIONS
P1 = SUB D 25 OPTION
MALE OU FEMALE
REG + 5V
VCCA
100 mS
REG + 5V
5KV
100 mS
VCCB OPTION
LIGHTNING 5
2
-RX
ST2
EC1, EC2, ST2
5KV
3KV
5KV
ISO P/S 5KV
ISO S/S 5KV
PHASE
TR5 0.1 AT
5KV
3KV
frame 148 / 253 Vac
50 / 60 Hz
6 VA max
GROUND
NEUTRAL
14 joules
PAGE 2-1

MI400
CONNECTORS AND SWITCHES
FRONT
POWER
REAR SUB D 25 MALE OU FEMALE P1
P2
SUB D 9 MALE
RS232
OPTIONAL
RS232
RS422-485
ACKSYS 39 11 62 81
LOCKING
78910
12345678 123456
on on
TX
RX
RTS/DTR
CTS
DSR/DCD232 422-485
MI400
ACKSYS
DTE
DCE
5 KV OPTO-ISOLATED RS232/422-485 CONVERTER
signal " ON "
L.E.D. AT FRONT
signal " OFF "
MSTB2.5/5GF5.08
PHOENIX CONTACT 5 POINT MALE P3
5
RS422-485
1234
P3SW3
2345678910
422-485
1
on
SW2
12345678
on
232
SW1
232
DTE
DCE
DTE = ex P.C.
ex TERMINAL
DCE = ex MODEM
ex MINI
SW1 = DTE/DCE
INTERFACE SELECTION
SEE CONFIGURATION TABLE PAGE 2-6
1 = TRANSMISSION VALIDATION
2 = TRANSMISSION VALIDATION
3 = TRANSMISSION VALIDATION
4 = CTS CONTROL
5 = CTS CONTROL
6 = CTS DELAY
7 = DSR/DCD CONTROL
8 = DSR/DCD CONTROL
1 = RS422A MODE
5 = RS485 MODE
9 = RS485 ECHO
10 = UNSUSED
2 = RS422A TERMINATION RESISTOR
3 = RS422A -BIAS
4 = RS422A +BIAS
6 = RS485 TERMINATION RESISTOR
7 = RS485 -BIAS
8 = RS485 +BIAS
= +RX
= -RX
= +TX
= GND
RS422A mode
= -TX
1
2
3
4
5
RS485 mode
= NC
= NC
= +TX/+RX
= -TX/-RX
= GND
1
2
3
4
5
(P3)
FEMALE LINE CONNECTOR
SCREW CONNECTOR +
CABLE COVER WITH PHOENIX
CONTACT 5 POINT FEMALE
STRAPS MSTB2.5/5STF5.08
18 GAUGE MAXIMUM 2.5 mm2
1
2
3
4
5
PAGE 2-2