Allen-Bradley ArmorBlock 1792 User manual
Packing Data PK
Publication 1792-5.8 – December 1997
DeviceNet
is a trademark of Open DeviceNet V
endor Association, Inc.
DeviceNetManager is a trademark of Rockwell Automation
(Catalog Number 1792-IB8XOB8PLP)
This 1792 ArmorBlockI/O block module (Cat. No.
1792-IB8XOB8PLP)
contains I/O circuits, a built-in power supply, and a
built-in DeviceNet I/O adapter. Because of its sealed housing, this 1792
I/O block requires no enclosure. It is compatible with PLC or SLC
programmable controllers using DeviceNet scanners. The I/O values are
accessible from the PLC or SLC programmable controller data table.
This ArmorBlock-LP module has no switches to set. You set module
parameters using the DeviceNet Manager Software (cat. no. 1787-MGR)
or similar configuration tool.
Contents
This box contains:
•1 ArmorBlock–LP module
•Package containing 10 write-on indicator tabs, and 7 micro caps
•1 DeviceNet right hand aluminum T-port tap (part number 97042401)
•Installation Instructions
Installation Instruction
s
ArmorBlock-LP 8 Input/8 Output Module2
Publication
1792-5.8 – December 1997
European Union Directive Compliance
If this product is installed within the European Union or EEA regions
and has the CE mark, the following regulations apply.
EMC Directive
This apparatus is tested to meet Council Directive 89/336/EEC
Electromagnetic Compatibility (EMC).
The product described in this manual is intended for use in an industrial
environment.
Low Voltage Directive
This apparatus is also designed to meet Council Directive 73/23/EEC
Low Voltage, by applying the safety requirements of EN 61131–2
Programmable Controllers, Part 2 – Equipment Requirements and Tests.
For specific information that the above norm requires, see the
appropriate sections in this manual, as well as the following
Allen-Bradley publications:
•Industrial Automation Wiring and Grounding Guidelines for Noise
Immunity, publication 1770-4.1
•Automation Systems Catalog, publication B111
Install
Y
our ArmorBlock-LP Module
Installation of the ArmorBlock-LP module consists of:
•setting the node address and communication rate in the ArmorBlock
module
•mounting the ArmorBlock module
•connecting the wiring
•communicating with your module
ArmorBlock-LP 8 Input/8 Output Module 3
Publication
1792-5.8 – December 1997
Set the Node Address
Each ArmorBlock-LP comes with its internal program set for node
address 63 and a communication rate of 125K bps. To set the node
address and communication rate, you need the following:
•host computer with DeviceNet Manager Software (or similar
configuration software tool)
•1770-KFD RS-232 module (or similar interface)
•suitable cables to connect the 1770-KFD to your module and to
connect the 1770-KFD to your host computer
Set up a system (as shown below) to communicate with your
ArmorBlock module to set the node address and communication rate to
meet your system requirements.
30195–
M
Host computer with
DeviceNetManager
software
Power from 9V dc power supply adapter
1770-KFD
RS-232 module
Power Supply Open style connector
to sealed mini–connector
Mount the ArmorBlock Module
Mount the block module directly to the machine or device. Complete
mounting dimensions are shown below.
ArmorBlock-LP 8 Input/8 Output Module4
Publication
1792-5.8 – December 1997
Mounting Dimensions
2.0
(51)
1.1
(27) 1.1
(27) 1.1
(27) 1.25
(32) 1.0
(25.5)
1.3
(33) 1.5
(39)
2.4
(60) 1.4
(36)
6.8
(172.1)
6.0
(152)
4.2
(107) 0.18
(4.5)
1.8
(45) 1.5
(38) 0.63
(16) 0.8
(20.1)
30199–M
Use 3 #8 (4mm) screws to mount block
inches
(millimeters
12
34
56
78
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
Connect the Wiring to the ArmorBlock Module
This module uses quick disconnect, screw-on style connectors for:
•I/O input/output wiring
•the DeviceNet connector
•the output power connector
30197–M
Four 5-pin Input Micro-connectors (1, 3, 5 and 7)
5-pin DeviceNet Mini-connector
Output Power
3-pin Mini-connector
Four
5-pin Output Micro-connectors (2, 4, 6, and 8)
12
34
56
78
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
OUTIN
ArmorBlock-LP 8 Input/8 Output Module 5
Publication
1792-5.8 – December 1997
Seven micro caps are included with your module. Use these caps to
cover and seal unused ports. Pinout diagrams for the connectors are
shown below.
!ATTENTION: Make sure all connectors are securely
tightened to properly seal the connections against leaks and
maintain IP67 requirements.
Connecting the Input Wiring
Connect input wiring to the micro-connectors which screw into mating
connectors on the front of the block.
1
2
34
I/O
I
n
pu
t Mic
ro
-
Co
nn
e
ct
or
Pin 1 = Sensor Source V
oltage Positive
Pin 2 = Signal B
Pin 3 = Negative/Return
Pin 4 = Signal A
(V
iew into socket)
5
Pin 5 = Ground
Connecting the Output Wiring
Connect output wiring to the micro-connectors which screw into mating
connectors on the front of the block.
1
2
34
I/O
Ou
t
pu
t Mic
ro
-
Co
nn
e
ct
or
Pin 1 = No connection
Pin 2 = Signal B
Pin 3 = Negative/Return
Pin 4 = Signal A
(V
iew into socket)
5
Pin 5 = Ground
ArmorBlock-LP 8 Input/8 Output Module6
Publication
1792-5.8 – December 1997
Connecting the Output Power Wiring
Connect output power wiring to the 3-pin mini-connector on the end of
the block.
Important:
The outputs use electronic overcurrent fault protection. Make certain
your output power supply can handle overcurrent events.
1
2
3
Ou
t
pu
t P
o
w
er
Mini-
Co
nn
e
ct
or
Pin 1 = Chassis ground
Pin 2 = +24V dc
Pin 3 = Negative/Return
(View into pins)
Connecting the DeviceNet Wiring
Connect DeviceNet wiring to the 5-pin mini-connector on the end of the
block. Connections are shown below.
1
2
3
D
e
vic
e
N
e
t Mini-
Co
nn
e
ct
or
Pin 1 = Drain (Bare)
Pin 2 = V+ (Red)
Pin 3 = V– (Black)
(View into pins)
4
5
Pin 4 = CAN–HI (White)
Pin 5 CAN–LO (Blue)
Note: Colors are
DeviceNet standard
Communicate with Your ArmorBlock Module
This ArmorBlock module’s I/O is exchanged with the master through a
poll, bit strobe or change of state connection.
When set for Polled, Bit Strobe, or change of state, the module consumes
and produces as follows:
ArmorBlock-LP 8 Input/8 Output Module 7
Publication
1792-5.8 – December 1997
Type of I/O Connections Consumes Produces
Polled 1 Bytes 2 Bytes
Bit Strobe
0 Bytes 2 Bytes
Change of State
0 Bytes 2 Bytes
Polled device – a master initiates communication by sending its polled
I/O message to the ArmorBlock module. The 8 input/8 output module
consumes the message, updates outputs, and produces a response that
reflects the status of 1) its inputs, and 2) any input or output faults.
Change of state device – productions occur when an input or fault
condition changes. If neither has occurred within the “expected packet
rate,” a heartbeat production occurs. This heartbeat production tells the
scanner module that the ArmorBlock module is alive and ready to
communicate.
Bit Strobe device – a master initiates communication by sending its bit
strobe I/O message. All bit strobed devices then respond. The 8 input/8
output module consumes the message, and produces a response that
reflects the status of inputs and outputs.
Refer to the table below for the word/bit definitions.
Bit 07 06 05 04 03 02 01 00
Produces I7B I5B I3B I1B I7A I5A I3A I1A
Produces IS OF Reserved
Consumes O8B O6B O4B O2B O8A O6A O4A O2A
Where: I = Input
O = Output
IS = Sensor source voltage fault
OF = Output fault status
ArmorBlock-LP 8 Input/8 Output Module8
Publication
1792-5.8 – December 1997
Word Bit Description
Produces 00–07 Input Status bits – when the bit is set (1), the input is on. Bit 00
corresponds to input 1A, bit 01 corresponds to input 3A, bit 02 to
input 5A, bit 03 input 7A. Bit 04 corresponds to input 1B, bit 05 to
input 3B, bit 06 to input 5B, and bit 07 to input 7B.
Produces 00–05 Reserved
Produces
06 OF = output fault status bit – indicates presence of field power
(default). Can also indicate no load or overload condition when
diagnostics are enabled. Refer to publication 1792-2.1, ArmorBlock
and AmorBlock-LP Product Data.
07 IS = Sensor source voltage fault bit – this bit is set (1) when the
sensor source voltage is faulted.
Consumes 00–07 Output bits – when the bit is set (1), the output is on. Bit 00
corresponds to output 2A, bit 01 corresponds to output 4A, bit 02 to
output 6A, bit 03 output 8A. Bit 04 corresponds to output 2B, bit 05
to output 4B, bit 06 to output 6B, and bit 07 to output 8B.
Troubleshoot with the Indicators
The ArmorBlock I/O module has the following indicators:
•Network status indicators (NS)
•Module status indicator (MS)
•Individual I/O status indicators A and B
•Power Status indicators
–module power
–output voltage
–sensor and output status
ArmorBlock-LP 8 Input/8 Output Module 9
Publication
1792-5.8 – December 1997
30197–M
NS = Network Status Indicator OVL = Sensor and Output
Status Indicator
US= Output Power
Supply Status Indicator UL= Module Power Supply
Status Indicator
A and B = Input
and Output I/O
Status Indicators
MS = Module Status
Indicator
Output
Connector
OUTIN
12
34
56
78
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
Note: This
module contains a circuit to protect the DeviceNet power supply from short
circuits in an attached sensor or sensor cable. If you connect a sensor while the
module is powered, the surge current produced by the sensor can cause the
module to fault. This operation is normal.
Network Status Indicator NS
Indication Status
Flashing Green On-line, not connected
Solid Green Link OK, on-line connected
Flashing Red At least 1 I/O connection is in the timed-out state
Solid Red Incorrect baud rate, or a duplicate Mac ID exists
Module
Status Indicator MS
Indication Status
OFF No power, or no network access
Flashing
Green/OFF On-line but not connected
Solid Green On-line, link okay, connected
Flashing Red Recoverable fault
Solid Red Critical failure
ArmorBlock-LP 8 Input/8 Output Module10
Publication
1792-5.8 – December 1997
Sensor
Short Circuit Indicator OVL
Indication Status
OFF Sensor source voltage operating correctly
Solid Red 1 or more Sensor source voltage shorts, output
overload or no load condition
Output
I/O Status Indicators A and B
Indication Status
OFF Output is off
Yellow Output is on
Input
I/O Status Indicators A and B
Indication Status
OFF No valid input signal present
Yellow Valid input signal present
Module
and Sensor Power Supply Status Indicators U
S
and U
L
Indication Status
OFF Power supply is not functioning correctly
Green Power Supply is operating
Specifications
8
Input/8 Output Module – Cat. No. 1792-IB8XOB8PLP
Input Specifications
Inputs per Block 8 sinking inputs labeled 1, 3, 5, and 7
On-state Voltage Range 12–30V dc
On-state Current Maximum
Minimum 15.0mA @ 30V dc
1.6mA @ 12V dc
Off-state Voltage Maximum 5V dc
Off-state Current Minimum 0.8mA
Transition Voltage 5–12.0V dc
Transition Current 0.8–2.2mA
Input Signal Delay
Off to On or On to Off 1ms maximum
Specifications continued on next page.
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