P/N: 1802011800019
*1802011800019*
ICF-1180I Series
Quick Installation Guide
Edition 8.1, February 2018
Technical Support Contact Information
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-free: 1-888-669-2872
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-free: 800-820-5036
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2018 Moxa Inc. All rights reserved.
Fl.4, No. 135, Lane 235, Baoqiao Rd., Xindian Dist., New Taipei City,
Taiwan, R.O.C
- 2 -
Introduction
There are two variations of PROFIBUS protocol, PROFIBUS DP
(Decentralized Peripherals) and PROFIBUS PA (Process Automation).
PROFIBUS PA is used with applications for which the end device needs a
power supply from the PROFIBUS PA device and where an intrinsic safe
mechanism is also required. Due to the power supply criteria, the number
of attached devices is limited. PROFIBUS DP is used in production
automation and when centralized controllers are used to manage the
system. It supports up to 126 attached devices and is the most commonly
used PROFIBUS specification.
The ICF-1180I series PROFIBUS-to-fiber converters are based on
PROFIBUS DP. ICF-1180I products are used to convert PROFIBUS signals
from copper to optical fiber. ICF-1180I multi-mode models can be used to
extend PROFIBUS signal transmission up to 4 km and ICF-1180I
single-mode models can extend PROFIBUS signal transmission up to 45
km. ICF-1180I converters provide 2 kV isolation protection for the
PROFIBUS system and have dual power inputs to ensure uninterrupted
operation of the PROFIBUS device.
Why Convert PROFIBUS to Fiber?
Optical fiber communication not only extends the communication
distance, but also provides many advantageous features.
IMMUNITY FROM ELECTRICAL INTERFERENCE: Fiber is immune
from electromagnetic interference or radio frequency interference. It
provides a clean communication path and is immune to cross-talk.
INSULATION: Optical fiber is an insulator interface; the glass fiber
eliminates the need for using electric currents as the communication
medium.
SECURITY: Fiber cannot be tapped by conventional electronic means
and is very difficult to tap into optically while radio and satellite
communication signals can be captured easily for decoding.
RELIABILITY & MAINTENANCE: Fiber is immune from adverse
temperature and moisture conditions; hence, it does not corrode or lose
its signal, and is not affected by short circuits, power surges, or static
electricity.
Auto/Manual Baudrate Settings
The ICF-1180I series converts signals back and forth between PROFIBUS
and fiber and supports baudrates from 9.6 kbps to 12 Mbps. Engineers do
not need to know the baudrate of the connected PROFIBUS device since
the ICF-1180I can automatically detect the baudrate of the PROFIBUS
device and apply this baudrate directly. This is an extremely convenient
feature. If necessary, baudrates can be set to a fixed value via DIP
switches.
- 3 -
PROFIBUS Fail Safe
When the PROFIBUS device malfunctions or the serial interface fails, it
will generate electrical noise that can cause bus failure. Traditional media
converters will let the noise signal pass through the fiber and on to the
other converter, disrupting data communication between the two buses
and eventually causing communication to cease across the entire system.
When this occurs, engineers will not be able to easily locate the failed
device because the entire PROFIBUS network is down. To avoid this
situation, the ICF-1180I is designed to detect and recognize noise signals.
If the bus fails on one side, the noise signal will not propagate through the
ICF-1180I and affect additional bus segments. In addition, the ICF-1180I
will also trigger an alarm notification to the field engineer on the location
of the failure.
Fiber Link Monitor
The ICF-1180I series’ Fiber Link Monitor function detects communication
errors on either the fiber side or the PROFIBUS side. When a
communication error occurs, the corresponding LED will shine red and the
relay alarm will activate.
Reverse Power Protection
The Reverse Power Protection feature provides extra protection against
accidentally connecting the power cables to the wrong terminal. The
converter is designed to detect automatically which power wire is positive
and which is negative, and then adjust the power supply accordingly.
Remote Fiber Diagnosis
Fiber optic cables are often deployed for long distance communication
and a fiber optic inspection pen is used by engineers to detect
communication quality issues. ICF-1180I series converters eliminate the
need for a fiber optic inspection pen by providing a Fiber Test function
that uses DIP switch adjustments. By using the Fiber Test function, users
can determine which side (Tx or Rx) is causing the problem on the
converter. Fiber cable abnormalities can be automatically detected and
identified by the LED indicator.
- 4 -
Using Remote Fiber Diagnosis:
Set DIP switch SW8 to the ON position on any ICF-1180I converter and
then look at the Ready LED status. A flashing green Ready LED indicates
that the Fiber Test has finished. The P1 (Fiber port) LED indicates which
side (Tx or Rx) is causing the problem. If there are no fiber connection
errors in the entire topology, the related LEDs will shine green or remain
OFF. If the fiber connection error is adjacent to the converter, the status
will also be indicated by the P1 LEDs. A flashing red light on P1 means that
the Rx fiber cable connected to this port is broken. Similarly, a solid red
light on P1 means that the Tx fiber cable in this port is broken. Further
descriptions and troubleshooting can be found in the Troubleshooting
table.
Features
• Auto baudrate detection and data speed up to 12 Mbps
• PROFIBUS bus fail safe
• Alarm by relay output
• 2 kV galvanic isolation
• Power polarity protection
• Extends PROFIBUS transmission distance:
Up to 45 km with single-mode—ICF-1180I-S series
Up to 4 km with multi-mode—ICF-1180I-M series
• Remote Fiber Diagnosis
• Topology: Point-to-Point mode, Linear mode (as the head or tail
converter with ICF-1280I)
• Dual power inputs for redundancy
• Wide operating temperature range: -40 to 75°C (for “T” models)
• Supports Fiber Signal Intensity Diagnosis
Package Checklist
Before installing the ICF-1180I converter, verify that the package
contains the following items:
• ICF-1180I PROFIBUS-to-fiber converter
• Quick installation guide (printed)
• Warranty card
Note: Please notify your sales representative if any of the above items are
missing or damaged.
- 5 -
Mounting Dimensions (unit: mm)
- 6 -
ICF-1180I Panel Layouts
Top View
Bottom View
Front View
ATTENTION
Electrostatic Discharge Warning!
To protect the product from damage due to electrostatic
discharge, we recommend wearing a grounding device when
handling your ICF-1180I.
- 7 -
Mounting
The aluminum DIN rail attachment plate should be fixed to the back panel
of the ICF-1180I when you take it out of the box. If you need to reattach
the DIN rail attachment plate to the ICF-1180I, make sure the stiff metal
spring is situated towards the top, as shown in the figures below.
STEP 1:
Insert the top of the DIN rail into
the slot just below the stiff metal
spring.
STEP 2:
The DIN
-rail attachment unit will
snap into place as shown below.
To remove the ICF-1180I series from the DIN rail, simply reverse Steps 1
and 2 above.
Wiring the Alarm Contact
The alarm contact is made up of the two middle contacts of the terminal
block on the ICF-1180I’s top panel. Refer to the next section for detailed
instructions on how to connect the wires to the terminal block connector,
and how to attach the terminal block connector to the terminal block
receptor.
In this section, we explain the meaning of the two contacts used to
connect the alarm contact.
FAULT: The two middle contacts of the 6-contact
terminal block connector are used to detect both
power faults and port faults. The two wires
attached to the Fault contacts form an open
circuit when:
1. The ICF-1180I has lost power from one of
the DC power inputs.
OR
2. One of the ports for which the
corresponding PORT ALARM Dip Switch is
set to ON is not properly connected.
If neither of these two conditions occurs, the
Fault circuit will be closed.
- 8 -
Wiring the Redundant Power Inputs
STEP 1: Insert the negative/positive DC wires
into the V
-/V+ terminals.
STEP 2:
To keep the DC
wires from pulling loose,
use a small flat-blade screwdriver to tighten the
wire
-clamp screws on the front of the terminal
block connector.
STEP 3:
Insert the plastic terminal block
connector prongs into the terminal block
receptor, which is located on the
ICF-1280I
’s top
panel.
ATTENTION
Before connecting the ICF
-1180I
to the DC power inputs, make
sure the DC power source voltage is stable.
You should also pay attention to the following:
• The temperature rating of the input connection cable should be higher
than 91°C.
• The cross sectional area of the ground wire should be at least 3.31
mm
2
.
• The terminal block plug should be suitable for 28-12 AWG
(0.0804-3.31 mm
2
) wire and a torque of 4.5 lb-in.
Fiber Cable
ST-Port Pinouts
ST-Port to ST-Port Cable Wiring
Pin Assignment
PIN
Signal Name
1
N.C.
2
N.C.
3
PROFIBUS D+
4
RTS
5
Signal common
6
5 V 7 N.C.
8
PROFIBUS D-
9
N.C.
- 9 -
Federal Communications Commission Statement
FCC: This device complies with part 15 of the FCC Rules. Operation is
subject to the following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including
interference that may cause undesired operation.
ATEX and IECEx Information
1. Certificate number
ATEX: DEMKO 14 ATEX 1384X
IECEx: IECEx UL 14.0094X
2. Ambient range
-40°C ≤ Tamb ≤ 75°C for models with suffix of “-T”
-10°C ≤ Tamb ≤ 60°C for models without suffix of “-T”
3. Certification string:
ATEX: Ex nA nC op is IIC T4 Gc
IECEx: Ex nA nC IIC T4 Gc
4. Standards covered:
EN 60079-0:2012+A11:2013/IEC 60079-0:2011 Ed.6
EN 60079-15:2010/IEC 60079-15:2010 Ed.4; EN 60079-28:2015
5. Conditions of safe usage:
•
This equipment must be installed in an enclosure that can only
be accessed with a key or other tool, and which provides a
degree of protection not less than IP54 in accordance with IEC
60079-15.
•
These devices are designed for use in an area of not more than
pollution degree 2 in accordance with EN/IEC 60664-1.
• Transient protection must be provided and set at a level not
exceeding 140% of the peak rated voltage value at the supply
terminals to the equipment.
Slot Time Settings
When ICF-1180I converters are used as part of a PROFIBUS network,
frame delays can occur, with the time of the delays determined by the
total cable length and network topology. In this case, a sufficient “slot
time” should be configured to prevent the PROFIBUS master from timing
out. We recommend using the following formula to calculate the preferred
PROFIBUS master’s slot time.
For a point-to-point topology:
Slot time = A + B × L + 13 × N
Transmission Speed (kbps)
A B 12000
811
120
6000
461
60
3000
261
30
1500
161
15
500
111
5
187.5
71
1.875
93.75
71
0.9375
45.45
411
0.4545
19.2
71
0.192
9.6
71
0.096
- 10 -
L: The length of the fiber optic cable in kilometers.
N: The number of converters in the system.
A and B: Parameters determined by the transmission speed.
Note: To avoid frame conflicts, we recommend setting the PROFIBUS
command retry limit ≥ 3, and the slot time < 262128.
DIP Switch Settings
There are 8 DIP switches on the top panel of the ICF-1180I. The factory
default setting for all DIP switches, except SW5, is OFF.
Transmission Speed (kbps)
SW1
SW2
SW3
SW4
Auto (default)
OFF
OFF
OFF
OFF
12000
OFF
OFF
OFF
ON
6000
OFF
OFF
ON
OFF
3000
OFF
OFF
ON
ON
1500
OFF
ON
OFF
OFF
500
OFF
ON
OFF
ON
187.5
OFF
ON
ON
OFF
93.75
OFF
ON
ON
ON
45.45
ON
OFF
OFF
OFF
19.2
ON
OFF
OFF
ON
9.6
ON
OFF
ON
OFF
Setting
ON
OFF
SW5
Fiber Link Monitor
Disable
SW6
Reserved
Reserved
SW7
Reserved
Reserved
SW8
Remote Fiber Diagnosis*
Disable
* Refer to the Remote Fiber Diagnosis section for instructions.
ATTENTION
If you connect an ICF-1180I converter running firmware version
1.2 to (a) an ICF-1180I converter running firmware version 1.3
or above, or (b) an ICF
-1280I converter, the built-in
Fiber Link
Monitor
and Fiber Test
functions may not work properly. Users
mus
t disable the Fiber Link Monitor function through the DIP
switch and the
Fiber Test function will work in this situation.
Version 1.3 of the ICF
-1180I converter is fully compatible with
the ICF
-1280I series for the Fiber Link Monitor
function and the
Remot
e Fiber Diagnosis function.
Version 1.4 of ICF
-1180I converter change the function name
"Fiber Test" to "Remote Fiber Diagnosis"
- 11 -
LED Indicators
There are 7 LEDs on the front panel of the ICF-1180I.
LED
Color
Description
Relay Status
PWR1/
PWR2
Solid green
Power is on
Closed
Off
Power is off, or power error
condition exists
Open
Ready
Solid green
Baudrate is detected,
converter is ready for
communication
Closed
Flashing
green*
Fiber diagnosis is finished
Closed
Flashing red*
Detecting baudrate
Closed
Flashing red
and green*
Slotting time setting error
Closed
Off
System power is off
Closed
Fault
Solid green
Fiber connections are
working normally in Fiber
Diagnosis mode
Closed
Flashing red*
Fiber abnormality has
occurred in another
segment
Closed
Solid red*
Fiber abnormality has
occurred in this converter
Closed
P1 Level
Green
Fiber Component Strength
Normal
Closed
Orange
Fiber Component Strength
is in the critical level, it
might abnormal soon.
Closed
Red
Fiber Component strength is
fail or Fiber cable too long
Open
P1
(Fiber)
Flashing/
solid green
Fiber port is receiving data
Closed
Solid red* Fiber cable linking to Tx is
abnormal
Open
Flashing red*
Fiber cable linking to Rx is
abnormal
Open
Off
Fiber in idle state
Closed
P2
(PROFIBUS)
Flashing
green
PROFIBUS port is
communicating
Closed
Flashing red
Inner transceiver IC
defective;
PROFIBUS port data
communication error;
insufficient shielding of the
bus cable; echo package
timeout
Open
Solid red Echo package timeout,
PROFIBUS UART character
error
Open
Off
PROFIBUS in idle state
Closed
If both power inputs experience an outage, the relay will become an open
circuit for alarm purposes.
* Refer to the following table for troubleshooting information.
- 12 -
Troubleshooting LED Indicators and Fiber Test
LED
Color
Description
Status/Troubleshooting
Ready Flashing
green
Fiber diagnosis
finished
At least one converter is in Fiber
Diagnosis mode;
Check PROFIBUS master settings;
Tx and Rx cables crossed
Flashing
red
Detecting
baudrate
No PROFIBUS node;
No PROFIBUS signal received;
Tx and RX crossed over;
Baudrate setting is incorrect.
Flashing
green/red
Slot time setting
error
Recalculate the slot time; Set
TSDR ≥ 11;
Set HAS = greatest PROFIBUS
node address + 1;
Check consistency of operation
mode for DIP switch 6/7;
Check consistency of Fiber Link
Monitor Mode for DIP switch 5
P1 Flashing
red
Rx fiber cable
abnormality
Check the Rx fiber cable
connecting to this port*;
Tx and Rx cables crossed over;
Partner module is powered OFF
or
defective
Solid red
Tx fiber cable
abnormality
Check the fiber cable linking to Tx
of this port*
P2
OFF
PROFIBUS is idle
Check the PROFIBUS device
connection
Flashing
red
PROFIBUS side
error
RS-
485 cable is not terminated or
only terminated at one end;
Open bus cable;
PROFIBUS D+ and D- crossed
over;
Short circuit on PROFIBUS cable;
RS-485 driver is defective;
Check slot time setting, baudrate,
and operation mode
If the abnormality indicated by the LED disappears in Fiber Diagnosis
mode, check the consistency of the DIP switch settings on all the
converters.
If the Tx and Rx cables are both abnormal, the P1 LED will shine red.
Check the Rx cable first for troubleshooting.
*If the P1 LED and P2 LED are both lit/flashing red simultaneously, the Tx
and Rx cables of P1 and P2 may be crossed.
ATTENTION
This is a Class 1 laser/LED product. Do not stare into the laser
beam.
- 13 -
Fiber Signal Intensity Diagnosis
In some circumstances you may need to measure the
receive level of fiber optic channels P1 and P2 with a
voltmeter, which can be connected while the device is
operating (doing so will not affect data transmission).
The measurement can be taken with a voltmeter and
read on a PLC that uses floating high impedance analog
inputs, which allows you to do the following:
• The incoming optical power to be recorded for later measurement
(e.g., to indicate aging or damage).
• You can carry out a good/bad test (limit value).
You must use a high-resistance, ungrounded voltmeter to conduct the
measurements, but whatever you do, don’t connect the ground connector
to the housing, since doing so could affect data transmission. In addition,
the measuring cables must be less than 3 meters in length to meet EMC
requirements. Refer to the diagrams below to estimate the quality of the
bus traffic based on the receiving levels.
NOTE
For a valid measurement, the partner ICF
-11
80I at the other end
of the fiber-optic cable must send normal PROFIBUS frames. This
can be recognized by the LED display of the partner ICF.
A number of different factors can affect the output voltages at the
measurement sockets:
• The partner ICF-1180I’s optical transmit power
• The optical transmitter and receiver’s ambient temperature
• The transmission line attenuation
• The transmission rate that’s in use
Keep in mind that these measurement sockets are not meant to replace a
proper calibrated level measuring device that has a calibrated light source.
The values obtained from the measurement sockets can only be used to
classify the received optical signals into one of 4 categories:
• Good (normal operation, green), 3 V > U > 480 mV
• Critical (optical link margin reduced, yellow), 330 mV ≤ U ≤ 480 mV
• Bad (functionality not guaranteed, red), U < 330 mV
• Fiber cable unplugged, U < 160 mV
- 14 -
When taking measurements, use a standard ungrounded, high-resistance
voltmeter. The internal resistance of the measurement sockets is
approximately 30 kΩ. Keep in mind that you must not connect the
measurement sockets or reference potential to the ICF housing.
• Multi-mode: ICF-1180I-M-ST
• Single-mode: ICF-1180I-S-ST
NOTE
These charts are not suitable for use with a Remote Fiber
Diagnosis test.
- 15 -
Specifications
PROFIBUS Communication
PROFIBUS Interface
PROFIBUS DP
Number of Ports
1
Connector
DB9 female
Isolation Protection
2 kV
Baudrate
9.6 Kbps to 12 Mbps
Auto Baudrate
Yes
Fiber Communication
Connector type
ST
Distance
Single-mode fiber for 45 km
Multi-mode fiber for 4 km
Support Cable:
Single mode:
8.3/125, 8.7/125, 9/125 or 10/125 μm
Multi-mode:
50/125, 62.5/125, or 100/140 μm
Wavelength
ICF-1180I-S: 1310 nm
ICF-1180I-M: 820 nm
Tx Output ICF-1180I-S: -7 dBm
ICF-1180I-M: -14 dBm
Rx overload
ICF-1180I-S: -3 dBm
ICF-1180I-M: -3 dBm
Rx Sensitivity
ICF-1180I-S: -29 dBm
ICF-1180I-M: -28 dBm
Point-to-Point Transmission
Half duplex
Environmental
Operating Temperature
0 to 60°C (32 to 140°F)
-40 to 75°C (-40 to 167°F), for -T models
Storage Temperature
-40 to 75°C (-40 to 167°F), for -T models
Ambient Relative Humidity
5 to 95% (non-condensing)
Atmospheric pressure
Up to 2000 m (795 hPa), higher altitudes
available on demand
Power
Input Power Voltage
12 to 48 VDC
Connector
Terminal block
Power Line Protection
IEC 6000-4-5 Level 3 (2 kV) Surge
Protection
Power Polarity Protection
Protects against V+/V- reversal
Over Current Protection
1.1 A
Power Consumption
269 mA max.
(single mode: 143 mA @ 24 VDC,
multi-mode:130 mA @ 24 VDC)
Relay Output
1 digital output relay to alarm (Normal:
closed)
Current carrying capacity: 2 A @ 30 VDC
Mechanical
Dimensions
30.3 × 70 × 115 mm
Material
Aluminum (1 mm)
Gross Weight
180 g
- 16 -
Regulatory Approvals
Safety
UL 508
Hazardous Location UL/cUL Class I, Division 2, Groups A, B, C, and D
DNV.2.4 (not suitable for installation on a bridge)
ATEX Zone 2: Ex nA nC op is IIC T4 Gc
IEC 60079-0:2011 Ed.6
IEC 60079-15:2010 Ed.4; EN 60079-28:2015
EMC
CE; FCC Part 15, sub part B, Class A
EMI
EN 55032, Class A; EN 55024
EMS
EN 61000-4-2 (ESD), Level 3, Criteria A
EN 61000-4-3 (RS), Level 3, Criteria A
EN 61000-4-4 (EFT), Level 3, Criteria B
EN 61000-4-5 (Surge), Level 3, Criteria B
EN 61000-4-6 (CS), Level 3, Criteria B
Freefall
IEC 60068-2-32
MTBF
792,085 hrs.
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