National Instruments IC-3173 User Manual
USER MANUAL
IC-3173
Industrial Controller with Reconfigurable I/O
This document contains detailed electrical and mechanical information for the National
Instruments IC-3173.
Contents
About the IC-3173.................................................................................................................... 1
Hardware Overview.................................................................................................................. 2
Connector Pinouts............................................................................................................. 3
LED Indicators................................................................................................................15
Using the RESET Button................................................................................................ 18
Replacing the Battery......................................................................................................18
Mounting the IC-3173.............................................................................................................19
Securing the IC-3173 to a Mount....................................................................................22
Clearance Requirements................................................................................................. 24
Software Options.....................................................................................................................25
BIOS Configuration and System Recovery............................................................................ 25
Entering BIOS Setup.......................................................................................................25
BIOS Setup Utility Keyboard Navigation...................................................................... 25
Main Setup Menu............................................................................................................26
Advanced Menu.............................................................................................................. 27
Boot Menu.......................................................................................................................29
Save & Exit Menu...........................................................................................................30
Restoring the Device to Factory Default Condition........................................................31
Where to Go Next................................................................................................................... 31
Resources for LabVIEW Users.......................................................................................31
Resources for Vision Builder AI Users...........................................................................32
About the IC-3173
The IC-3173 is a high-performance, small, fanless embedded computer designed for rugged
industrial applications. The IC-3173 also provides multiple digital input/output (I/O) options
for communicating with external devices.
Hardware Overview
The IC-3173 front panel consists of four Gigabit Ethernet ports with Power over Ethernet
(PoE), one RS-232/RS-485 serial port, one standard Gigabit Ethernet Port, two USB 3.0 ports,
four USB 2.0 ports, and two DisplayPort connectors.
The IC-3173 front panel also includes LEDs for communicating system status and a 44-pin
Digital I/O port. The Digital I/O port offers 8 isolated inputs, 8 isolated outputs, 2 bidirectional
differential I/O (RS-422) or single-ended input lines that can be used with a quadrature
encoder, and 8 bidirectional TTL lines.
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Figure 1. IC-3173 Front Panel
3
POWER
PoE1
PoE2
PoE3
PoE4
DIO
STATUS
USER1
DP
DP
USER FPGA1
ACT/
LINK
10/100/
1000
SYS PWR IN
150
W MAX
ISO PWR IN
5-24 V
RESET
9-30 V
IC-3173
Industrial Controller
17
4
14
5
6
7
1
12
13
9
10
11
16
15
8
2
1. DisplayPort Connectors
2. LED Indicators
3. Power over Ethernet (PoE) LED Indicators
4. Gigabit Ethernet Ports with PoE
5. 44-pin Digital I/O Connector
6. Isolated Power Input Connector
7. Chassis Grounding Screw
8. Reset Button (not pictured)
9. Power Button
Connector Pinouts
The IC-3173 provides the following connectors.
DisplayPort
Use the DisplayPort connectors to connect one or more monitors to implement a local HMI for
your controller. You can develop a single real-time VI to use for both your user interface and
system logic. For more information, refer to the Using the Embedded UI to Access RT Target
10. System Power Connector
11. User-Accessible Battery Compartment (not
pictured)
12. RS-232/RS-485 Serial Port
13. USB 3.0 Ports
14. Primary Gigabit Ethernet Port
15. Retention Mounts for USB 3.0 Ports
16. Retention Mounts for USB 2.0 Ports
17. USB 2.0 Ports
IC-3173 User Manual | © National Instruments | 3
VIs topic in the LabVIEW Help. For up-to-date information about supported NI cables and
1
19
20
2
accessories, refer to the pricing section of the product page at ni.com.
Use an appropriate adapter cable to connect a DisplayPort connector to a VGA or DVI
connector. The following figure lists the DisplayPort pins and signals.
Figure 2. DisplayPort Connector Pin Locations
Table 1. DisplayPort Connector Pin Descriptions
Pin Signal Name
1 ML_Lane0(p)
2 GND
3 ML_Lane0(n)
4 ML_Lane1(p)
5 GND
6 ML_Lane1(n)
7 ML_Lane2(p)
8 GND
9 ML_Lane2(n)
10 ML_Lane3(p)
11 GND
12 ML_Lane3(n)
13 CONFIG1
14 CONFIG2
15 AUX CH (p)
16 GND
17 AUX CH (n)
18 Hot Plug Detect
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Table 1. DisplayPort Connector Pin Descriptions (Continued)
1
2
3
4
5
6
7
8
Pin Signal Name
19 Return
20 DP_PWR
Ethernet Ports
The IC-3173 provides one standard Gigabit Ethernet network port and four Gigabit Ethernet
ports with Power over Ethernet (PoE). The Ethernet ports provide a connection between the
IC-3173, a network, and other Ethernet devices. The IC-3173 automatically detects the speed
of the connection and configures itself accordingly.
If a PoE-capable device is plugged into an Ethernet port with PoE, the IC-3173 automatically
supplies power to the device. When the IC-3173 supplies PoE, the LED that corresponds to the
port illuminates. When you unplug a PoE device, PoE is automatically disabled. You can use
non-PoE Ethernet devices with the PoE-enabled Gigabit Ethernet ports.
A CAT 5e or CAT 6 1000Base-T Ethernet cable is required to achieve 1,000 Mbps (Gigabit)
Ethernet performance. CAT 5 Ethernet cables are not guaranteed to meet the necessary
requirements. While CAT 5 cables may appear to work at 1,000 Mbps, CAT 5 cables can cause
bit errors, resulting in degraded or unreliable network performance.
Figure 3. Ethernet Port Pin Locations
Table 2. Ethernet Port Pin Descriptions
Pin Fast Ethernet (100 Mbps) Gigabit Ethernet
MDI MDI-X
1 TX+ BI_DA+ BI_DB+
2 TX- BI_DA- BI_DB-
3 RX+ BI_DB+ BI_DA+
4 No Connect BI_DC+ BI_DD-
5 No Connect BI_DC- BI_DD-
IC-3173 User Manual | © National Instruments | 5
Table 2. Ethernet Port Pin Descriptions (Continued)
15
30
44
1
16
31
Pin Fast Ethernet (100 Mbps) Gigabit Ethernet
MDI MDI-X
6 RX- BI_DB- BI_DA-
7 No Connect BI_DD+ BI_DC+
8 No Connect BI_DD- BI_DC-
Digital I/O
The 44-pin Digital I/O port on the IC-3173 offers 8 isolated inputs, 8 isolated outputs, 2
bidirectional differential inputs (RS-422) or single-ended input lines that can be used with a
quadrature encoder, and 8 bidirectional TTL lines. The Digital I/O port can be connected to
any appropriate shielded device or connector block using a shielded cable.
NI recommends the following digital I/O cables for the IC-3173.
Cable Part Number
44-pin D-sub male to pigtail cable 156083-03 for 3 meter cable
44-pin D-sub male to 44-position D-sub female cable 156084-03 for 3 meter cable
156084-0R5 for 0.5 meter cable
Refer to the following image and table for pin locations and descriptions.
Figure 4. 44-pin Digital I/O Connector Pin Locations
Table 3. Digital I/O Pin Descriptions
Pin Number Signal Description
1 Diff 0+ Bidirectional RS-422 I/O (positive side), or quadrature encoder
phase A+
2 GND Digital ground reference for TTL and differential I/O
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Table 3. Digital I/O Pin Descriptions (Continued)
Pin Number Signal Description
3 TTL 0 Bidirectional TTL I/O
4 TTL 1 Bidirectional TTL I/O
5 GND Digital ground reference for TTL and differential I/O
6 TTL 2 Bidirectional TTL I/O
7 TTL 3 Bidirectional TTL I/O
8 GND Digital ground reference for TTL and differential I/O
9 Diff 1+ Bidirectional RS-422 I/O (positive side), or quadrature encoder
phase B+
10 V
11 C
ISO
ISO
Isolated power voltage reference output
Common ground reference for isolated inputs and outputs
12 Iso Out 0 General purpose isolated input
13 Iso Out 1 General purpose isolated input
14 C
ISO
Common ground reference for isolated inputs and outputs
15 Iso Out 4 General purpose isolated output
16 Diff 0- Bidirectional RS-422 I/O (negative side), or quadrature encoder
phase A-
17 GND Digital ground reference for TTL and differential I/O
18 TTL 4 Bidirectional TTL I/O
19 TTL 5 Bidirectional TTL I/O
20 GND Digital ground reference for TTL and differential I/O
21 TTL 6 Bidirectional TTL I/O
22 TTL 7 Bidirectional TTL I/O
23 GND Digital ground reference for TTL and differential I/O
24 Diff 1- Bidirectional RS-422 I/O
25 V
26 C
ISO
ISO
Isolated power voltage reference output
Common ground reference for isolated inputs and outputs
27 Iso Out 2 General purpose isolated output
28 Iso Out 3 General purpose isolated output
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Table 3. Digital I/O Pin Descriptions (Continued)
Pin Number Signal Description
29 C
ISO
Common ground reference for isolated inputs and outputs
30 Iso Out 5 General purpose isolated output
31 Iso In 0 General purpose isolated input
32 iso In 1 General purpose isolated input
33 C
ISO
Common ground reference for isolated inputs and outputs
34 Iso In 2 General purpose isolated input
35 Iso In 3 General purpose isolated input
36 C
ISO
Common ground reference for isolated inputs and outputs
37 Iso In 4 General purpose isolated input
38 Iso In 5 General purpose isolated input
39 C
ISO
Common ground reference for isolated inputs and outputs
40 Iso In 6 General purpose isolated input
41 Iso In 7 General purpose isolated input
42 C
ISO
Common ground reference for isolated inputs and outputs
43 Iso Out 6 General purpose isolated output
44 Iso Out 7 General purpose isolated output
Wiring an Isolated Input
You can wire an isolated input to a sourcing output device.
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Caution Do not apply a voltage greater than 30 VDC to the isolated inputs.
V
REF
C
ISO
Industrial Controller
Input
Sourcing
Output
Device
Current
Limiter
Power Supply
+
–
Voltage greater than 30 VDC may damage the IC-3173.
Figure 5. Connecting an Isolated Input to a Sourcing Output Device
Wiring an Isolated Output
The digital isolated output circuits source current to external loads.
When an inductive load, such as a relay or solenoid, is connected to an output, a large counterelectromotive force may occur at switching time due to energy stored in the inductive load.
This flyback voltage can damage the outputs and the power supply.
To limit flyback voltages at the inductive load, install a flyback diode across the load. Mount
the flyback diode as close to the load as possible. Use this protection method if you connect
any of the isolated outputs on the IC-3173 to an inductive load.
The following image shows an example of an isolated output wired to an external load with a
flyback diode installed across the load.
IC-3173 User Manual | © National Instruments | 9
Caution Do not draw more than 35 mA from each isolated output when V
Digital Output
External Flyback
Diode for
Inductive Loads
V
ISO
C
ISO
V
CC
Industrial Controller
Load
Overcurrent
Protection Circuit
5 V. Do not draw more than 80 mA from each isolated output when V
ISO
is
ISO
is 24 V.
Figure 6. Connecting an Isolated Output to an External Load
Connecting to Differential I/O
The IC-3173 accepts differential (RS-422) line driver inputs. Each of the two differential I/O
can be configured as an output. Use shielded cables for all applications. Unshielded cables are
more susceptible to noise and can corrupt signals.
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