The Allen-Bradley 1785-ENET is an Allen-Bradley PLC5 Ethernet Interface module. This module installs to a 1785 Backplane to provide a PLC5 controller Ethernet connectivity. It has One (1) RJ45 Ethernet communication interface supporting 10/100 Mbps transmission speed.

The Allen-Bradley 1785-O5G PLC 5 Coprocessor Module serves as a backup module. This module comes with an RS-232-C Port and the backplane current of this module is 2.7 A at 5V DC. This module has a maximum of 3072 analog I/O. The I/O Scan Times Per Rack of this module are 10 ms at 57.6 kbits/s, 7 ms at 115.2 kbits/s, and 3 ms at 230.4 mbits/s. The Allen-Bradley 1785-O5G is intended for use in a Pollution Level Industry Environment 2, in excessive Category II applications (as defined in the publication of IEC 60664-1). Please remember that this power supply can operate at an altitude of up to 6562 feet without derating. If you connect or disconnect the cable and the terminal block and if you install or remove the 1785-O5G when the power is on, an electrical arc may occur. This can cause injury, damage, or even an explosion in hazardous locations. Make sure the power is removed and that the area is not hazardous before continuing. The operating temperature is 0 to 60 °C (32 to 140 °F), the storage temperature is -40 to 85 °C (-40 to 185 °F), and the relative humidity is 5 to 95% without condensation. The Allen-Bradley 1785-O5G has an operating shock of 30g (3 pulses, 11 ms) and a nonoperating shock 50g (3 pulses, 11 ms). This module must be installed in an enclosure with at least IP54-level protection for operation in Zone 2 environments.

The 1785-L30B is an Allen-Bradley controller that belongs to the PLC5 controller family. This controller features 32Kwords user memory, Two (2) DH+/Remote I/O combination ports, configurable for Adapter or Scanner, One (1) serial port which supports RS-232, 423 and RS-422A communication standards. The 1785-L30B supports a large number of I/O devices. It supports up to 1024 I/O devices which may be composed of any combination of Discrete and analog input and output devices. Additionally, it also supports complementary 1024 input and 1024 output devices. Aside from the supports for large number of I/O devices, this controller is capable of implementing Remote I/O architecture as it may be connected to a maximum of 28 Remote I/O racks. For implementing Remote I/O architecture, the integrated communication ports such as DH+ and Remote I/O (RIO) channels may be utilized. Additionally, an Ethernet interface module may be added to implement the same architecture over Ethernet network. The 1785-L30B is installed with a battery that is used by the controller when power is removed from the controller. This battery maintains the user and program data stored within the controller’s user memory. It is assigned with a BATT indicator LED to report the current charge of the battery. For 1785-L530B, the battery can last up to 84 days when powered off at 100% and 150 days if Powered Off at 50% at an operating temperature of 60 Degree Celsius. When the BATT LED energizes, the battery remains operational for 5 days from the first occurrence of the signal. When the battery charge is completely drained, the contents of the user memory is maintained unless power is applied to the controller. It will only be erased when power is removed and battery is drained. The 1785-L30B has two built-in ports such as channel 1A and channel 1B. These ports are capable of being configured as remote I/O scanners, remote I/O adapters and DH+ communication interfaces. Additionally, the 1785-L30B controller is provided with a 25-pin connector Serial port interface. This serial port supports RS232C standard and configurable for system protocols such as ASCII and DF1. full and half-duplex master protocols and half-duplex slave protocol. An 8-pin mini-DIN connector marked as channel 1A is also provided that supports DH+ connection as well. The 1785-L30B has several indicators on the front panel used for easy interaction with the user. These indicators are marked as BATT used to display the status of the battery. The indicator marked PROC indicates controller state. The FORCE indicator is used to indicate if I/O forces are enabled. The COMM indicator is linked with channel 0 for reporting communication activity while Channel 1A and 1B both have dedicated status indicator. The controller has a Three-position key-switch for setting the controller mode. Each position corresponds to one mode of the processors such as Run, PROG and REM. When in RUN mode, the controller executes the program and act...

ALLEN BRADLEY 1785-05B BROADBAND MODEM CH. B

The 1785-KA3 PLC-2 Family Communication Adapter Module by Allen Bradley is a communication adapter installed on any slot (except the furthest left) of the 1771 I/O chassis, which links the PLC-2 family processors to a Data Highway Plus (DH+) Network. The 1785-KA3 draws 1.2 A backplane current at 5 Volts DC. It has an interface port for connection to the PLC-2 Programmable Controller using the Data Highway Plus Processor cable and a Data Highway Plus drop-line, and for connection to the 1784-T50 Industrial Workstation using the Program Panel Interconnect Cable. The 1785-KA3 has 3 sets of switches: the Data Highway Plus baud rate switch assembly, the write options switch assembly and the node address group switch. These switches determine the mode of connection with other nodes on the network. This unit supports most PLC-2 family processors, and the module is keyed to the backplane by connecting the band between pins 4 and 6, 22 and 24 of the top connector. Its temperature range is between 0 and 60 degrees Celsius (32 to 140 degrees Fahrenheit) at 5% to 95% non-condensing relative humidity; its storage temperature is between -40 to 85 degrees Celsius (-40 to 185 degrees Fahrenheit).

The Allen-Bradley 1785-KE is a Data Highway communication controller interface module. This module comes with One (1) Data Highway Plus and One (1) RS232 ports, used for connecting RS232 devices to the DH+ network. The 1785-KE is capable of operating and changing data in half-duplex and full-duplex configuration. This module supports communication rates of 57600 bits per second for Data Highway Plus (DH+) and switch selectable speed for RS232 such as 110 to 19200 bits per second. Aside from linking intelligent RS232 devices to DH+ plus network, the 1785-KE is intended to replace the 1785-KD and 1785-KC communication controller modules. The 1785-KE supports mounting to a slot of a 1785 chassis. Appropriate cable for connecting the module to the DH+ network is Allen-Bradley 1770-CD while compatible data terminal interface cable for the RS232-C port is the 1770-CG of modem interface module with catalog no. 1770-CP. Since the 1785-KE is inserted into the backplane of a 1785 chassis, it draws current from the backplane. The module’s current draw is 1.2 Amperes at 5VDC. This module is required to be operated in an environment with temperature range of 0-60 Deg. Celsius. For storage, the storage area shall maintain a temperature range of -40 to 85 Degree Celsius while the ambient humidity rating must be kept at 5-95% without condensation. The 1785-KE is capable of exchanging data betweek Allen-Bradley Advisor color graphic system, PLC3 Programmable Logic Controller, PLC2 Programmable Logic Controller, PLC4 Microtrol Programmable Logic Controller. It may also communicate with workstations that support RS232-C communication. It is a communication module that interfaces any RS-232-C intelligent device with the Data Highway Plus (DH+) network. This module is a single slot module that offers a full Duplex or Half Duplex protocol on the Asynchronous link. It connects to RS-232-C devices through the Asynchronous (RS-232-C) 15-pin female EIA D-shell connector port on the module using the Data Terminal Interface Cable (1770-CG) or the modem interface cable (1770-C); it also connects to the Data Highway Plus (DH+) via the 3-screw terminal block using the Data Highway Plus drop-line cable (Belden 9463). In addition, it can communicate with the 1784-T50 Terminal through the 9-pin male EIA D-shell connector port, and has a transfer rate of 57,600 bits per second on the DH+ and Switch selectable rate ranging from 110 to 19200 bits/second on the RS-232-C port. The 1785-KE has 4 switch assemblies (SW1, SW2, SW3, and SW4) which provide communication options. The SW1 switch provides RS-232-C link options, the SW2 sets Node number, the SW3 selects Data Highway Plus and RS-232-C link communication rates, and the SW4 is a reserved switch. This unit is mounted on a single slot of the 1771 I/O rack, and when using a Drop-line configuration, is mounted within 100 feet of the Data Highway Plus Trunk line. When connecting directly to the RS-232-C device, the maximum installation...

The Allen-Bradley 1785-L20B is a Programmable Logic Controller (PLC) module. This product is a PLC controller that belongs to the legacy PLC5 product family. The 1785-L20B features a variety of embedded communication ports such as One (1) DH+ (Fixed), One (1) DH+/Remote I/O (Adapter or Scanner) One (1) serial port, configurable for RS-232 and 423 and RS-422A standards. These communications ports support individual configuration and independently functions from each other, They can be used simultaneously to implement the intended functions such as communication to compatible partner devices for data exchanges, communication with visualization devices and interaction with programming workstation. The 1785-L20B’s embedded memory amounts to 16Kwords. This memory is a volatile memory, maintained by a lithium battery with catalog number 1770-XYC. This controller supports implementation of distributed I/O architecture via the DH+ or Remote I/O protocol. It may also be optionally installed with an Ethernet interface module for implementation of distributed I/O system over Ethernet. Up to Twelve (12) remote I/O chassis may be installed with this controller. The 1785-L20B Controller supports installation of a Electronically Erasable Programmable Read Only Memory (EEPROM) as memory backup device. Memory options include 1785-ME16 with 16Kwords, 1785-ME32 with 32Kwords, 1785-ME64 with 64 Kwords and 1785-ME100 with 100Kwords.

The Allen-Bradley PLC-5-40E is an Ethernet PLC-5 Processor. It has embedded TCP/IP communication, offering high-performance peer-to-peer communication. Its built-in web capabilities provide web diagnostics and module information, web user provided pages, and Domain Name Service (DNS). For communication, it has 1 Ethernet port, 2 DH+ or Remote I/O (Adapter or Scanner) ports, and 1 serial port configurable for RS-232 / RS-423 / RS-422A. The PLC-5-40E uses Ladder-logic and structured-text programming with an advanced instruction set including sequencer, file-handling, diagnostic, immediate I/O, shift register, and program control instructions. It is used in applications with real-time sequential and regulatory control requirements. The PLC-5-40E processor has a maximum user memory of 48K words with a limit of 32K words per data table file. It has up to 2048 total I/O (any number of the I/O can be inputs or outputs) with 2048 complementary inputs and outputs. It has 16 (0 – 17) I/O racks for I/O addressing. It has an I/O scan time per rack of 10ms at 57.6 kb/s, 7ms at 115.2 kb/s, and 3ms at 230.4 kb/s. The PLC-5-40E requires a backplane current of 3.6A at 5V and it has a maximum power dissipation of 19W. It also contains a battery-backed static RAM with an EEPROM program backup option. It is installed in the left-most slot of the 1771 I/O chassis and requires one slot. The PLC-5-40E processor has global status flags and input interrupts. It also has programmable fault response diagnostics which prevents system failure by reacting to the faults. The PLC-5-40E allows for segregation of tasks controlled by multiple main programs. It examines specific information at specific time intervals with the time interrupt routine.

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