National Instruments IC-3121 Bedienungsanleitung
National Instruments IC-3121 Manual
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USER MANUAL
IC-3121
Industrial Controller
This document contains detailed electrical and mechanical information for the National
Instruments IC-3121.
Contents
Hardware Overview.................................................................................................................. 1
Connector Pinouts............................................................................................................. 2
LED Indicators................................................................................................................14
Using the RESET Button................................................................................................ 18
Software Options.....................................................................................................................19
BIOS Configuration and System Recovery............................................................................ 19
Entering BIOS Setup.......................................................................................................19
BIOS Keyboard Navigation............................................................................................ 20
Main Menu......................................................................................................................20
Advanced Menu.............................................................................................................. 20
Boot Menu.......................................................................................................................21
Save & Exit Menu...........................................................................................................23
Restoring the NI Linux Real-Time Operating System....................................................24
Restoring the Windows Operating System..................................................................... 24
Mounting the IC-3121.............................................................................................................26
Securing the IC-3121 to a Mount....................................................................................30
Clearance Requirements................................................................................................. 30
Where to Go Next................................................................................................................... 31
Worldwide Support and Services............................................................................................ 32
Hardware Overview
The IC-3121 front panel consists of a VGA port, RJ50 serial port, two USB 2.0 ports, a
10/100/1000 Ethernet port, and two USB 3.0 ports.
The IC-3121 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.
Figure 1. IC-3121 Front Panel Connectors
IC-3121
Industrial Controller
RESET
DIGITAL I/O
10/100/
1000
ACT/
LINK
USER1
USER2
PWR/
FAULT
STATUS
5
3
6
1
2
4
1. VGA Connector
2. RS-232/RS-485 Serial Port
3. USB 2.0 Ports
4. Gigabit Ethernet Port
5. USB 3.0 Ports
6. 44-pin Digital I/O Connector
Connector Pinouts
The IC-3121 provides the following connectors.
Chassis Grounding Screw
Use the grounding screw to connect the chassis to earth ground. An earth ground connection is
optional.
Note An earth ground connection does not connect C or CISO to earth ground.
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Figure 2. Chassis Grounding Screw
SYSTEM
12-24 V
C V
ISO
5-24 V
1
CISO V
ISO
1. Chassis Grounding Screw
Power Input Connectors
The IC-3121 requires a power supply to power the system. If needed for your application, an
additional power source is required to power the isolated outputs.
The same power supply may be used for both the system power and isolated outputs power if
isolation is not required and the power supply meets the voltage and power requirements for
both inputs. Refer to the IC-3121 Specifications for power requirements.
NI recommends the following power supply for the IC-3121.
Power Supply Part Number
NI PS-15 Industrial Power Supply, to power the system or isolated outputs 781093-01
IC-3121 User Manual | © National Instruments | 3
Figure 3. Power Connectors
SYSTEM
12-24 V
C V
ISO
5-24 V
1
2
CISO V
ISO
1. System Power Connector
2. Isolated Outputs Power Connector
Table 1. Power Connector Terminals
Terminal Description
C Common signal
V System power (12-24 VDC)
CISO Isolated common signal
VISO Power for isolated outputs (5-24 VDC)
Ethernet Port
The IC-3121 provides a Gigabit Ethernet port. The Ethernet port provides a connection
between the IC-3121, a network, and other Ethernet devices. The IC-3121 automatically
detects the speed of the connection and configures itself accordingly.
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.
(Windows only) The network Ethernet port provides Wake-on-LAN functionality from the
power off state when associated with the Intel® driver. Wake-on-LAN must be enabled in the
Power Management tab of the Intel I210 Gigabit Network Connection Properties dialog for the
primary Ethernet port in Device Manager. The NI GigE Vision driver (NI-GEV) does not
support Wake-on-LAN.
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Figure 4. Ethernet Port Pin Locations
1
2
3
4
5
6
7
8
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-
6 RX- BI_DB- BI_DA-
7 No Connect BI_DD+ BI_DC+
8 No Connect BI_DD- BI_DC-
USB 2.0 Ports
The USB ports support common USB peripheral devices such as USB flash drives, USB hard
drives, USB-to-IDE adapters, keyboards, mice, and USB cameras.
(RT only) LabVIEW usually maps USB mass-storage devices to the /U, /V, /W, or /X drive,
starting with the /U drive if it is available. Refer to the LabVIEW Help for more information.
Figure 5. USB 2.0 Pin Locations
4
3
2
1
IC-3121 User Manual | © National Instruments | 5
Table 3. USB 2.0 Port Pin Descriptions
Pin Signal Name Signal Description
1 VBUS Cable Power (+5 VDC)
2 D- USB Data -
3 D+ USB Data +
4 GND Ground for power return
RS-485/422/232 Serial Port
The IC-3121 has a single serial port that can operate in either RS-485/422 mode or RS-232
mode. Set the serial port mode in the BIOS setup utility.
The serial port is a 10-position RJ50 modular jack, which can connect to serial devices, such
as PLCs, scanners, and lighting devices.
NI recommends the following serial cables for the IC-3121.
Cable Part Number
RJ50 10-position modular plug to DB-9 serial cable 182845-01 for 1 meter cable
182845-02 for 2 meter cable
182845-03 for 3 meter cable
Figure 6. RS-485/422/232 Serial Port Pin Locations
3
4
5
6
7
8
9
10
1
2
Table 4. RS-485/422/232 Serial Port Pin Descriptions
Pin RS-485/422 Mode RS-232 Mode
1 No Connect No Connect
2 TXD- Unused
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Table 4. RS-485/422/232 Serial Port Pin Descriptions (Continued)
Pin RS-485/422 Mode RS-232 Mode
3 TXD+ Unused
4 No Connect No Connect
5 No Connect No Connect
6 RXD- GND
7 RXD+ Unused
8 Unused TXD
9 Unused RXD
10 GND GND
Related Information
Serial Port Configuration Submenu on page 21
VGA Port
Use the VGA port to connect a monitor to the IC-3121. Use any standard 15-pin VGA cable to
access the VGA port. The VGA port has a maximum resolution of 1920 x 1200 at 60 Hz.
Figure 7. VGA Port Pin Locations
5 15
11
6
1
10
Pin Signal Name Signal Description
1 RED Red analog video signal
2 GREEN Green analog video signal
3 BLUE Blue analog video signal
4 RESERVED Reserved
5 GND Ground reference
6 RED RETURN Ground reference
IC-3121 User Manual | © National Instruments | 7
Pin Signal Name Signal Description
7 GREEN RETURN Ground reference
8 BLUE RETURN Ground reference
9 PWR 5 V power for DDC
10 GND Ground return for power
11 NC No connect
12 DDC_D Data signal of serial communication
13 HSYNC Horizontal synchronization signal
14 VSYNC Vertical synchronization signal
15 DDC_C Clock signal of serial communication
USB 3.0 Ports
The USB ports support common USB peripheral devices such as USB flash drives, USB hard
drives, USB-to-IDE adapters, keyboards, mice, and USB cameras.
(RT only) LabVIEW usually maps USB mass-storage devices to the /U, /V, /W, or /X drive,
starting with the /U drive if it is available. Refer to the LabVIEW Help for more information.
Figure 8. USB 3.0 Port Pin Locations
5
4
9
1
Table 5. USB 3.0 Port Pin Descriptions
Pin Signal Name Signal Description
1 VBUS Cable Power (+5 VDC)
2 D- USB Data -
3 D+ USB Data +
4 GND Ground for power return
5 StdA_SSRX- SuperSpeed receiver differential pair
6 StdA_SSRX+
7 GND_DRAIN Ground for signal return
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Table 5. USB 3.0 Port Pin Descriptions (Continued)
Pin Signal Name Signal Description
8 StdA_SSTX- SuperSpeed transmitter differential pair
9 StdA_SSTX+
Digital I/O
The 44-pin Digital I/O port on the IC-3121 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-3121.
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 9. 44-pin Digital I/O Connector Pin Locations
15
30
44
1
16
31
Table 6. 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
3 TTL 0 Bidirectional TTL I/O
4 TTL 1 Bidirectional TTL I/O
IC-3121 User Manual | © National Instruments | 9
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