National Instruments REM-11178 User manual
GETTING STARTED GUIDE
NI REM-11178
Digital Output Module for Remote I/O
This document explains how to connect to the REM-11178.
Note The guidelines in this document are specific to the REM-11178. 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-11178 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)/functional earth ground 500 VAC, 50 Hz, 1 min.
24 V supply (I/O)/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-11178 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
Indoor use only.
Note Refer to the device datasheet on ni.com/manuals for complete specifications.
2| ni.com | REM-11178 Getting Started Guide
Verifying the Kit Contents
Verify that the following items are included in the REM-11178 kit.
Figure 1. REM-11178 Kit Contents
12 3 4
1. NI REM-11178
2. Bus connector
3. Supply voltage connector
4. Spring-terminal block (x4)
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-11178 Getting Started Guide | © National Instruments | 3
Installing the REM-11178
Figure 2. Structure of the REM-11178
1
2
4
65
3
1. Bus connector
2. REM-11178
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-11178 Getting Started Guide
1
2
1. Insert the bus connector for the REM-11178 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-11178
• Mounted bus connector
What to Do
Complete the following steps to install the REM-11178 on the DIN rail.
REM-11178 Getting Started Guide | © National Instruments | 5
1. Align the REM-11178 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-11178 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-11178
• Spring-terminal block
What to Do
Align the spring-terminal block over the REM-11178 and press until it clicks into place.
6| ni.com | REM-11178 Getting Started Guide
REM-11178 Pinout
DO0 to DO7
DO16 to DO23
DO24 to DO31
DO8 to DO15
24 VDC
24 VDC
GND
GND
a1
a2
b2
b1
00
10
20
30
01
11
21
31
04
14
24
34
05
15
25
35
06
16
26
36
07
17
27
37
02
12
22
32
03
13
23
33
Table 2. REM-11178 Signal Descriptions
Signal Color Description
a1, a2 Red 24 VDC (UO) Supply to digital output modules (internally jumpered)
b1, b2 Blue GND Reference potential of the supply voltage (internally
jumpered)
00 to 07 Orange DO0 to DO7 Digital outputs 0 to 7
10 to 17 Orange DO8 to DO15 Digital outputs 8 to 15
20 to 27 Orange DO16 to DO23 Digital outputs 16 to 23
30 to 37 Orange DO24 to DO31 Digital outputs 24 to 31
Figure 3. REM-11178 LEDs
D
UO
E1
30 32 34 3631 33 35 37
20 22 24 2621 23 25 27
10 12 14 1611 13 15 17
00 02 04 0601 03 05 07
REM-11178 Getting Started Guide | © National Instruments | 7
Table 3. LED Indicators
LED LED Color LED Pattern Indication
D
Green
Solid The REM-11178 is ready for operation.
Flashing Data is invalid or unavailable.
Green/Yellow Flashing The REM-11178 cannot communicate with the
connected devices.
D
Yellow
Solid The REM-11178 did not detect a valid cycle after
power-on.
Flashing The REM-11178 is not part of the configuration.
Red
Solid The REM-11178 has lost connection to the Bus
Coupler.
Flashing The REM-11178 has lost connection to the preceding
adjacent module.
— Off The REM-11178 is in reset mode.
UO
Green Solid Supply to digital output module present.
— Off No supply to digital output modules.
E1
Red Solid Breakdown or overload/short-circuit of an output.
— Off No I/O error.
00...37
Red Solid Short-circuit/overload of the output.
Yellow Solid Output is set.
— Off Output is not set.
8| ni.com | REM-11178 Getting Started Guide
Connecting the REM-11178
24 VDC
DO (0:7)
DO (8:15)
DO (16:23)
DO (24:31)
Device
x8
REM-11178
+
–
a1
a2
b1
b2
• Each channel supplies voltage to a single connection.
• DO terminals supply the digital output voltages.
• The output switches the load directly.
Caution To prevent device malfunction, make sure the output ground and the
ground for the power supply (UO), have the same voltage.
Note For information about fuse ratings for the REM-11178, refer to the device
datasheet on ni.com/manuals.
Connection Guidelines
• Make sure that devices you connect to the REM-11178 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.
REM-11178 Getting Started Guide | © National Instruments | 9
Removing Components
Removing Spring Terminal Blocks
Complete the following steps to remove a spring-terminal block from the REM-11178.
1. Press the locking latch to release the spring-terminal block.
2. Tilt the block toward the center of the module.
3. Remove the connector from the module.
Removing the REM-11178
Remove all connections before removing the REM-11178, either by disconnecting the cables
or removing the spring-terminal block.
What to Use
• Flathead Screwdriver
What to Do
Complete the following steps to remove the REM-11178 from the DIN rail.
1
1
1
2
1. Insert the screwdriver and loosen the base latches on either end of the module.
2. Remove REM-11178 perpendicular to the DIN rail.
10 | ni.com | REM-11178 Getting Started Guide
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