"POINT I/O用户手册：数字和模拟模块，POINTBlock I/O模块"

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User Manual for POINT I/O Digital and Analog Modules and POINTBlock I/O Modules The 1734-um001_-en-p.pdf is a comprehensive user manual for a wide range of POINT I/O digital and analog modules as well as POINTBlock I/O modules. These modules are essential components for industrial automation systems and come in various catalog numbers including 1734-IA2, 1734-IM4, 1734-IB2, 1734-IB4, 1734-IB8, 1734-IB4D, 1734-IM2, 1734-IM4, 1734-IV2, 1734-IV4, 1734-IV8, 1734-OA2, 1734-OA4, 1734-OB2, 1734-OB2EP, 1734-OB2E, 1734-OB4, 1734-OB4E, 1734-OB8, 1734-OB8E, 1734-OV2E, 1734-OV4E, 1734-OV8E, 1734-OW2, 1734-OW4, 1734-OX2, 1734-IE2C, 1734-IE2V, 1734-OE2C, 1734-OE2V, 1734D-IA16, 1734D-IA8XOA8, 1734D-IA8XOW8, and more. This user manual provides detailed information on the installation, configuration, and operation of these modules. It includes step-by-step instructions on how to set up the modules, connect them to other devices, and program them for specific applications. The manual also covers troubleshooting guidelines, maintenance procedures, and safety precautions to ensure smooth operation and maximum efficiency. Overall, the 1734-um001_-en-p.pdf user manual is a valuable resource for engineers, technicians, and operators working with POINT I/O digital and analog modules and POINTBlock I/O modules. It serves as a comprehensive guide to understanding the capabilities and functions of these modules and how to effectively integrate them into industrial automation systems.

Rockwell Automation Publication 1734-UM001E-EN-P - July 2013

xxiv

Notes:

Rockwell Automation Publication 1734-UM001E-EN-P - July 2013

2 About the Modules

Input Modules

For input modules, DC inputs are 24V DC nominal, with an input range of

10…28.8V dc, and are offered with 2, 4,or 8 sinking style inputs, or 2, 4, or 8

sourcing style inputs. The 1734-IB2, 1734-IB4, 1734-IB4D, and 1734-IB8 input

modules are sinking modules. The 1734-IV2, 1734-IV4, and 1734-IV8 modules

are sourcing input modules.

For input modules, AC inputs are 120V AC nominal with an input range of

85…132V ac, or 220V AC nominal with an input range of 159…264V ac, with

sinking inputs.

Features of the all input modules include the following:

• Autobaud (will match baud of existing devices on the network)

• Selectable input filter times (0…65 ms with 1 ms default)

• Sequential auto addressing

Output Modules

The 1734-OB2, 1734-OB4, 1734-OB8, 1734-OB2E, 1734-OB4E, and 1734-

OB8E DC output modules have current limited sourcing outputs, which source a

positive voltage of up to 1 A with respect to their DC return per channel. The

1734-OB2EP sources a positive voltage of up to 2 A with respect to its DC

return per channel. The outputs are not isolated from each other. For these

modules, DC outputs are 24V DC nominal, with a range of 10…28.8V dc. A

number of output diagnostic features are incorporated to assist in

troubleshooting. The 1734-OB2E, 1734-OB2EP, 1734-OB4E, and 1734-OB8E

modules feature the following:

• Output diagnostics (short circuit and wire-off indication and reporting

bits per channel)

• Current limited outputs

• Autobaud (will match baud of existing devices on the network)

• Sequential auto addressing

The 1734-OV2E, 1734-OV4E, and 1734-OV8E modules are protected sink

output modules protected to 1 A. The outputs are not isolated from each other.

For these modules, DC outputs are 24V DC nominal, with a range of 10…28.8V

dc. A number of output diagnostic features are incorporated to assist in

troubleshooting. The 1734-OV2E, 1734-OV4E, and 1734-OV8E modules

feature the following (note that 1734-OV2E, 1734-OV4E, and 1734-OV8E

modules have no wire-off indication):

• Output diagnostics (short circuit and reporting bits per channel)

• Current limited outputs

• Autobaud (will match baud of existing devices on the network)

• Sequential auto addressing

Rockwell Automation Publication 1734-UM001E-EN-P - July 2013

About the Modules 3

The 1734-OA2 and 1734-OA4 AC output modules have sourcing outputs,

which source a voltage of up to 0.75 A per channel. The outputs are not isolated

from each other. For this module, AC outputs are 120/220V AC nominal, with a

range of 74…264V dc. The 1734-OA2 and 1734-OA4 modules feature the

following:

• Autobaud (will match baud of existing devices on the network)

• Sequential auto addressing

Relay Output Modules

Two versions of relay modules are:

• 1734-OW2, 1734-OW4 relay module.

• 1734-OX2 relay module.

The 1734-OW2 and 1734-OW4 relay outputs are Type A (Normally Open),

the 1734-OX2 relay outputs are Type 2 Form C. Both modules’ outputs sink or

source a current with respect to power or return. Contact outputs are isolated

from each other. Each output is rated 5…240V rms at 2 A (current is load

dependant). Features include:

• Autobaud (will match baud of existing devices on the network).

• Sequential auto addressing.

Analog Modules

The 1734 analog modules consist of input modules (1734-IE2C and 1734-

IE2V) and output modules (1734-OE2C and 1734-OE2V). Each module has

two single-ended, non-isolated channels.

The features of the analog modules depend on the type of analog module: input

or output. These are features common to both input and output modules.

• Data - The current input and output modules operate in unipolar mode

only. Voltage input and output modules operate in unipolar or bipolar

modes. Data returned from the module is scaled by the user to any 16 bit

signed integer

(–32,768...+32,767).

• Input modules produce 6 bytes of data.

– Channel 0 Data (2 bytes)

– Channel 1 Data (2 bytes)

– Channel 0 Status (1 byte)

Cat. No. Module Type Number of

Channels

Resolution

1734-IE2C Analog Input 2 16 bits across 0…21 mA

1734-IE2V Analog Input 2 15 bits plus sign across -10…10V

1734-OE2C Analog Output 2 13 bits across 0…21 mA

1734-OE2V Analog Output 2 14 bits across -10…10V

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