National Instruments REM-11102 Manuale utente
GETTING STARTED GUIDE
NI REM-11102
Current Input Module for Remote I/O
This document explains how to connect to the REM-11102.
Note The guidelines in this document are specific to the REM-11102. The other
components in the system might not meet the same safety ratings. Refer to the
documentation for each component in the system to determine the safety and EMC
ratings for the entire system.
Caution Do not operate the REM-11102 in a manner not specified in this
document. Product misuse can result in a hazard. You can compromise the safety
protection built into the product if the product is damaged in any way. If the product
is damaged, return it to NI for repair.
Isolation Withstand Voltages
Test section Test voltage
5 V communications power (logic), 24 V supply (I/O) 500 VAC, 50 Hz, 1 min.
5 V supply (logic) / analog inputs 500 VAC, 50 Hz, 1 min.
5 V supply (logic) / functional earth ground 500 VAC, 50 Hz, 1 min.
24 V supply (I/O) / analog inputs 500 VAC, 50 Hz, 1 min.
24 V supply (I/O) / functional earth ground 500 VAC, 50 Hz, 1 min.
Analog inputs / functional earth ground 500 VAC, 50 Hz, 1 min.
Electromagnetic Compatibility Guidelines
This product was tested and complies with the regulatory requirements and limits for
electromagnetic compatibility (EMC) stated in the product specifications. These requirements
and limits provide reasonable protection against harmful interference when the product is
operated in the intended operational electromagnetic environment.
This product is intended for use in industrial locations. However, harmful interference may
occur in some installations, when the product is connected to a peripheral device or test object,
or if the product is used in residential or commercial areas. To minimize interference with
radio and television reception and prevent unacceptable performance degradation, install and
use this product in strict accordance with the instructions in the product documentation.
Furthermore, any changes or modifications to the product not expressly approved by National
Instruments could void your authority to operate it under your local regulatory rules.
Preparing the Environment
Ensure that the environment in which you are using the REM-11102 meets the following
specifications.
Operating temperature -25 °C to 60 °C
Operating humidity 5% RH to 95% RH, noncondensing
Pollution Degree 2
Maximum altitude 3,000 m
2| ni.com | REM-11102 Getting Started Guide
Indoor use only.
Note Refer to the device datasheet on ni.com/manuals for complete specifications.
Verifying the Kit Contents
Verify that the following items are included in the REM-11102 kit.
Figure 1. REM-11102 Kit Contents
12 3 4
1. NI REM-11102
2. Bus connector
3. Supply voltage connector
4. Spring-terminal block (x2)
Unpacking the Kit
Caution To prevent electrostatic discharge (ESD) from damaging the device,
ground yourself using a grounding strap or by holding a grounded object, such as
your computer chassis.
1. Touch the antistatic package to a metal part of the computer chassis.
2. Remove the device from the package and inspect the device for loose components or any
other sign of damage.
Caution Never touch the exposed pins of connectors.
Note Do not install a device if it appears damaged in any way.
3. Unpack any other items and documentation from the kit.
Store the device in the antistatic package when the device is not in use.
REM-11102 Getting Started Guide | © National Instruments | 3
Installing the REM-11102
Figure 2. Structure of the REM-11102
1
3
4
6
5
2
1. Bus connector
2. REM-11102
3. Module function label
4. Supply voltage connector
5. Spring-terminal block
6. LED indicators
Table 1. Module Function Labels
Label Color Module Function
Blue Digital input
Red Digital output
Green Analog input, thermocouple
Yellow Analog output
White Bus coupler, power module
Installing Bus Connectors
What to Use
• Bus connector
• DIN rail
What to Do
Complete the following steps to install bus connectors on the DIN rail.
4| ni.com | REM-11102 Getting Started Guide
1
2
1. Insert the bus connector for the REM-11102 into the DIN rail.
Caution Verify that you are using the correct bus connector for the module
width.
2. Slide the bus connector along the DIN rail until it connects to the preceding bus
connector.
Note A bus connector will not attach to a preceding bus connector with a
mounted module. Remove the preceding module before installing additional
bus connectors.
3. Repeat Steps 2 and 3 for additional bus connectors.
Installing the Module
What to Use
• REM-11102
• Mounted bus connector
What to Do
Complete the following steps to install the REM-11102 on the DIN rail.
REM-11102 Getting Started Guide | © National Instruments | 5
Note When using the Remote I/O Shield Set, install the shield rail supports before
mounting the module.
1. Align the REM-11102 over the appropriate bus connector.
Note Verify that the bus connector socket aligns with the socket on the
underside of the module.
2. Press the REM-11102 directly onto the bus connector and DIN rail until it clicks into
place.
Caution Tilting the module when mounting it on the DIN rail will damage the
contacts.
Installing Spring-Terminal Blocks
What to Use
• REM-11102
• Spring-terminal block
What to Do
Align the spring-terminal block over the REM-11102 and press until it clicks into place.
6| ni.com | REM-11102 Getting Started Guide
REM-11102 Pinout
AI0+ to AI3+
AI0– to AI3–
GND
00
10
20
30
01
11
21
31
02
12
22
32
03
13
23
33
24 VDC
24 VDC
GND
GND
a1
a2
b2
b1 UIS0 to UIS3
Table 2. REM-11102 Signal Descriptions
Signal Color Description
a1, a2 Red 24 VDC (UA) Supply for analog modules (internally jumpered)
b1, b2 Blue GND Reference potential of the supply voltage (internally
jumpered)
00 to 03 Orange AI0+ to AI3+ Positive voltage connection for channel 0 to 3
10 to 13 AI0- to AI3- Negative voltage connection for channel 0 to 3
20 to 23 UIS0 to UIS3 24 V sensor supply for channel 0 to 3
30 to 33 GND Reference potential of sensor supply
REM-11102 Getting Started Guide | © National Instruments | 7
Figure 3. REM-11102 LEDs
30
20
10
00
32
22
12
02
31
21
11
01
33
23
13
03
D
UA
E1
E2
Table 3. LED Indicators
LED LED Color LED Pattern Indication
D
Green
Solid The REM-11102 is ready for operation.
Flashing Data is invalid or unavailable.
Green/Yellow Flashing The REM-11102 cannot communicate with the
connected devices.
D
Yellow
Solid The REM-11102 did not detect a valid cycle after power-
on.
Flashing The REM-11102 is not part of the configuration.
Red
Solid The REM-11102 has lost connection to the Bus Coupler.
Flashing The REM-11102 has lost connection to the preceding
adjacent module.
— Off The REM-11102 is in reset mode.
UA
Green Solid Supply to analog input module present.
— Off No supply to analog input modules.
E1
Red Solid Supply to analog input module is faulty.
— Off Supply to analog input module is OK.
E2
Red Solid I/O or channel error has occurred.
— Off No error
8| ni.com | REM-11102 Getting Started Guide
Table 4. Error Status of E1 and E2 LEDs
Error E1 LED E2 LED
No error Off Off
Underrange Off On
Overrange Off On
Supply voltage faulty On On
Parameter table invalid Off On
Device error Off On
Flash format error Off On
Note The reported error depends on the measuring range. For information about
input scaling, refer to the device datasheet on ni.com/manuals.
Connecting the REM-11102
Figure 4. REM-11102 Current Measurement Connection
24 VDC
AI+ (0:3)
AI– (0:3)
UIS (0:3)
GND
24 VDC
Sensor
GND
x4
REM-11102
+
–
a1
a2
b1
b2
UIS and GND are optional, sensor-dependent connections.
REM-11102 Getting Started Guide | © National Instruments | 9
Figure 5. Loop-Powered Current Tranducer with REM-11102 Sensor Supply
24 VDC
AI+ (0:3)
AI– (0:3)
UIS (0:3)
GND
+ 24 V
Sensor
REM-11102
+
–
a1
a2
b1
b2
Figure 6. Loop-Powered Current Tranducer with External Supply
24 VDC
AI (0:3)+
AI (0:3)–
UIS (0:3)
GND
Sensor
REM-11102
+
–
+
–
a1
a2
b1
b2
Note For information about fuse ratings for the REM-11102, refer to the device
datasheet on ni.com/manuals.
Connection Guidelines
• Always connect analog signals using shielded, twisted pair cables. Unshielded cables
may lead to values outside the specified tolerance limits in environments subject to heavy
noise.
• Connect the cable shield to functional earth ground immediately after the cables enter the
control cabinet.
• Connect the cable shield to a shield bus if you are not using a closed control cabinet.
• NI recommends using the NI Remote I/O Shield Set for optimal shield connection.
• Make sure that devices you connect to the REM-11102 are compatible with the module
specifications.
• Push the wire into the terminal when using a solid wire or a stranded wire with a ferrule.
• Open the terminal by pressing a screwdriver into the spring lever when using a stranded
wire without a ferrule.
10 | ni.com | REM-11102 Getting Started Guide
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