Rockwell / Allen-Bradley 1771-OBN Installation Instructions

Rockwell / Allen-Bradley 1771-OBN Installation Instructions
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DC (1030V) Output Module
Cat. No. 1771OBN
Installation Instructions
To The Installer
This document provides information on:
important pre-installation considerations
power supply requirements
installing the module
connecting the wiring
using the indicators on the module for troubleshooting
module specifications
Preinstallation
Considerations
The 1771-OBN dc output module is a source output and requires a sink
input. A sink input provides a path to ground and a source output provides
a positive voltage path.
Use this module in all 1771 I/O chassis except 1771-A1, -A2 and 1771-A4
chassis. Refer to the table below for processor compatibility.
Table A
Processor Compatibility Chart
System Type
Use with Processors:
Local
MiniPLC2/02 (cat. no. 1772LZ, LZP)
MiniPLC2/16 (cat. no. 1772LX, LXP)
MiniPLC2/17 (cat. no. 1772LW, LWP)
PLC5/15, Series B and later (cat. no. 1785LT)
Remote (with a 1771ASB
remote I/O adapter)
PLC2/20 (cat. no. 1772LP2)
PLC2/30 (cat. no. 1772LP3)
PLC3 (cat. no. 1775L1, L2, L3, L4)
PLC3/10 (cat. no. 1775LP4, LP8)
PLC5/15, Series B and later (cat. no. 1785LT)
Do not place this module in the same I/O chassis as the 1771-IX
thermocouple module. You can use this module in the same chassis as the
1771-IXE thermocouple module.
Installation Instructions
DC (10 - 30V) Output Module
(Cat. No. 1771-OBN)
Power Supply Requirements
The controller or I/O chassis power supply, connected through the
backplane of the I/O chassis, powers the logic circuitry of the output
modules. The maximum current drawn from this supply is 330mA.
Installing Your Module
In this section we tell you how to initially handle your module, key your
I/O chassis, install your module and make your wiring connections.
Initial Handling Procedures
ATTENTION: Remove power from the 1771 I/O chassis
backplane and wiring arm before removing or installing an I/O
module.
Failure to remove power from the backplane or wiring arm
could cause module damage, degradation of performance, or
injury.
Failure to remove power from the backplane could cause
injury or equipment damage due to possible unexpected
operation.
The output module contains components which can be damaged by
electrostatic discharge. The module is shipped in an electrostatic shielded
bag for protection. Follow the handling procedures outlined below to guard
against damage to your module.
Touch a grounded object to discharge yourself before handling the
module.
Do not touch the backplane connector or connector pins.
If you configure or replace internal components, do not touch other
circuit components inside the module. If available, use a static-safe
work station.
When not in use, keep the module in its static-free shield bag.
2
Installation Instructions
DC (10 - 30V) Output Module
(Cat. No. 1771-OBN)
Keying the I/O Chassis
Use the plastic keying bands, shipped with each I/O chassis, to key your
I/O slots to accept only this type of module. Place the keying bands on the
chassis backplane between:
14 and 16
20 and 22
Slots on the rear edge of the circuit board are matched to these slots to
allow insertion of this type of module. You can key any connector in an I/O
chassis to receive this module except for the leftmost connector reserved
for adapter or processor modules.
Inserting the Module Into the Chassis
1.
Position the module so that the circuit board on the rear of the module
lines up with the top and bottom card guides in the chassis.
2.
Slide the module into the chassis.
3.
Press firmly to seat the module in the chassis backplane connector.
4.
Swing the module locking latch down into place over the front edge
of the module.
Connecting Wiring to the Module
You make connections to the module through the field wiring arm cat. no.
1771-WN. The arm pivots on the I/O chassis to connect with terminals on
the front of the module and acts as a terminal strip. The wiring arm allows
the module to be removed from the chassis without disconnecting wiring.
1.
Make certain all power is removed from the module before making
wiring connections.
2.
Swing the wiring arm up into position on the front of the module. The
locking tab on the module will secure it into place.
3.
Make your connections to the field wiring arm as shown in Figure 1.
(Use the label on the front of the wiring arm to identify your wiring.)
ATTENTION: The field wiring arm terminal identification
number is not the same as the number of the bit which controls
that output.
3
Installation Instructions
DC (10 - 30V) Output Module
(Cat. No. 1771-OBN)
I/O Module Groups
Each module condenses 2 full module groups (32 outputs) into each I/O
chassis slot. For example:
Module group 1 = outputs 00 through 17
Module group 2 = outputs 00 through 17 (module group 2
represents the second set of outputs).
In Figure 1, terminals 1 through 20 represent module group 1. Terminals
21 through 40 represent module group 2. Terminals 10, 20, 30 and 40 are
DC common and terminals 1, 11, 21 and 31 are DC power.
Figure 1
Connection Diagram for the 1771OBN DC Output Module
Note: Terminals on the left are
even numbered (2 thru 40) , and
terminals on the right are odd
numbered (1 thru 39).
Output 0
Output 2
Output 4
Output 6
Common 0
Output 10
2
4
6
8
10
12
Output 12
14
Output 14
16
Output 16
18
Common 1
20
22
Output 0
Output 4
24
26
Output 6
Common 2
Output 10
28
30
32
Output 12
34
Output 14
36
Output 16
38
Common 3
40
Output 2
+ dc
Output 1
Output 3
Output 5
Output 7
+ dc
+
dc Output
Device
-
Output 11
Output 13
+
Output 15
Output 17
dc
Supply
+ dc
Output 1
-
Output 3
Output 5
Output 7
+ dc
Output 11
Output 13
Output 15
Output 17
(See applicable codes and laws.)
(Actual wiring runs in this direction.)
4
11850I
Installation Instructions
DC (10 - 30V) Output Module
(Cat. No. 1771-OBN)
ATTENTION: Miswiring or shorting the output terminals will
cause permanent damage to this module.
ATTENTION: Observe proper polarity with dc power
connections. Reverse polarity, or application of ac voltage could
damage the module.
Table B
Module Output Terminal Assignments
Terminal
Number
01
Output Assignment
1 10
to 30V dc
I/O program address
Terminal
Number
Output Assignment
I/O program address
21
1 10 to 30V dc
02
Output 00
0RG00
22
Output 00
0RG00
03
Output 01
0RG01
23
Output 01
0RG01
04
Output 02
0RG02
24
Output 02
0RG02
05
Output 03
0RG03
25
Output 03
0RG03
06
Output 04
0RG04
26
Output 04
0RG04
07
Output 05
0RG05
27
Output 05
0RG05
08
Output 06
0RG06
28
Output 06
0RG06
09
Output 07
0RG07
29
Output 07
0RG07
10
Common 0
30
Common 2
31
1 10 to 30V dc
11
1 10
to 30V dc
12
Output 10
0RG10
32
Output 10
0RG10
13
Output 11
0RG11
33
Output 11
0RG11
14
Output 12
0RG12
34
Output 12
0RG12
15
Output 13
0RG13
35
Output 13
0RG13
16
Output 14
0RG14
36
Output 14
0RG14
17
Output 15
0RG15
37
Output 15
0RG15
18
Output 16
0RG16
38
Output 16
0RG16
19
Output 17
0RG17
39
Output 17
0RG17
20
Common 1
40
Common 3
Where:
R = rack number (1, 2, 3, etc.)
G = I/O group (0 7)
1 You can connect a different power supply to each 10 to 30V dc terminal. They are not connected internally. Connect each common (0, 1, 2, 3) to the corresponding supply.
Commons are not internally connected.
5
Installation Instructions
DC (10 - 30V) Output Module
(Cat. No. 1771-OBN)
Interpreting the Status
Indicators
The module has 32 status indicators (Figure 2) on the module front plate.
These represent the control status of the outputs. Each indicator is lit when
its corresponding output is energized. An additional indicator is provided
to indicate a blown fuse condition.
Figure 2
Status Indicators
00
01
02
03
04
05
06
07
10 00
11 01
12 02
13 03
14 04
15 05
16 06
17 07
FUSE
10
11
12
13
14
15
16
17
Status Indicators (red)
Fuse Blown Indicator
11851I
6
Installation Instructions
DC (10 - 30V) Output Module
(Cat. No. 1771-OBN)
Replacing the Fuses
To replace a blown fuse, proceed as follows:
ATTENTION: Remove power from the 1771 I/O chassis
backplane and wiring arm before removing or installing an I/O
module.
Failure to remove power from the backplane or wiring arm
could cause module damage, degradation of performance, or
injury.
Failure to remove power from the backplane could cause
injury or equipment damage due to possible unexpected
operation.
1.
Turn off power to the chassis.
2.
Remove the module from the I/O chassis.
3.
Remove the blown fuse from the fuse holder (accessible through the
side cover), and replace with a 4A, 250V normal blow fuse.
4.
Reinsert the module into chassis I/O chassis.
5.
Turn on power to the chassis.
7
Installation Instructions
DC (10 - 30V) Output Module
(Cat. No. 1771-OBN)
Specifications
Outputs per module
32 (4 groups of 8)
Module Location
1771A1B thru A4B or later I/O Chassis
Voltage Rating
10 to 30V dc
Maximum Output Current
0.5A per output (not to exceed 8A per module)
2A per output group
Maximum Surge Current
2A per output for 10msecond; repeatable every 2 seconds.
5A per output group for 10msec.;repeatable every 2 seconds.
20A per module for 10msec.; repeatable every 2 seconds.
Maximum Onstate Voltage Drop
1.5V dc at 0.5A
Maximum Offstate Leakage Current
1.0mA @ 55oC
Maximum Power Rating
Output Signal Delay
0.75W per output
On to Off
Off to On
2.0ms
0.1ms
Power Dissipation
13.7W (max); 1.7W (min)
Thermal Dissipation
46.7 BTU/hr (max); 5.7 BTU/hr (min)
Backplane Current
330mA @ 5V dc maximum
Isolation Voltage
Conductors
1500V ac rms
Wire Size
14 gauge stranded (max)
3/64 inch insulation (max)
Category 11
Category
Environmental Conditions
Operational Temperature
Storage Temperature
Relative Humidity
0o to 60oC (32o to 140oF)
40o to 85oC (40o to 185oF)
5 to 95% (without condensation)
Keying
Between 14 and 16
Between 20 and 22
Field Wiring Arm
Cat. No. 1771WN
Field Wiring Arm Screw Torque
Fuses
79 inchpounds
Four 4.0A, 250V normal blow fuses (1 per group)
1 Refer to publication 17704.1, Programmable Controller Wiring and Grounding Guidelines
PLC is a registered trademark of Allen-Bradley Company, Inc.
PLC is a registered trademark of Allen-Bradley Company, Inc.
PLC is a registered trademark of Allen-Bradley Company, Inc.
PLC is a registered trademark of Allen-Bradley Company, Inc.
PLC is a registered trademark of Allen-Bradley Company, Inc.
AllenBradley has been helping its customers improve productivity and quality for 90 years.
AB designs, manufactures and supports a broad range of control and automation products
worldwide. They include logic processors, power and motion control devices, manmachine
interfaces and sensors. AllenBradley is a subsidiary of Rockwell International, one of the
world's leading technology companies.
With major offices worldwide.
Algeria • Argentina • Australia • Austria • Bahrain • Belgium • Brazil • Bulgaria • Canada • Chile • China, PRC • Colombia • Costa Rica • Croatia • Cyprus • Czech
Republic • Denmark • Ecuador • Egypt • El Salvador • Finland • France • Germany • Greece • Guatemala • Honduras • Hong Kong • Hungary • Iceland • India •
Indonesia • Israel • Italy • Jamaica • Japan • Jordan • Korea • Kuwait • Lebanon • Malaysia • Mexico • New Zealand • Norway • Oman • Pakistan • Peru • Philippines
• Poland • Portugal • Puerto Rico • Qatar • Romania • Russia-CIS • Saudi Arabia • Singapore • Slovakia • Slovenia • South Africa, Republic • Spain • Switzerland •
Taiwan • Thailand • The Netherlands • Turkey • United Arab Emirates • United Kingdom • United States • Uruguay • Venezuela • Yugoslavia
World Headquarters, AllenBradley, 1201 South Second Street, Milwaukee, WI 53204 USA, Tel: (1) 414 3822000 Fax: (1) 414 3824444
8
Publication
17712.168 December 1994
Supersedes publication 17712.168 November 1991 and 17712.168-RN1 - September 1993
P/N 95511552
Copyright 1994 AllenBradley Company, Inc. Printed in USA
Looking for more information?
Visit us on the web at http://www.artisan-scientific.com for more information:
• Price Quotations • Drivers· Technical Specifications. Manuals and Documentation
Artisan Scientific is You~ Source for: Quality New and Certified-Used/Pre:-awned ECJuiflment
• Fast Shipping and DelIve1y
• Tens of Thousands of In-Stock Items
• Equipment Demos
• Hundreds of Manufacturers Supported
• Leasing / Monthly Rentals
Service Center Repairs
Experienced Engineers and Technicians on staff in our
State-of-the-art Full-Service In-House Service Center Facility
• Consignment
InstraView Remote Inspection
Remotely inspect equipment before purchasing with our
Innovative InstraView-website at http://www.instraview.com
We bUy used equipment! We also offer credit for Buy-Backs and Trade-Ins
Sell your excess. underutilized. and idle used equipment. Contact one of our Customer Service Representatives todayl
Talk to a live person: 88EM38-S0URCE fB88-887-68721 I Contact us by email: [email protected] I Visit our website: http://www.artisan-scientific.com
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