12 amp power supply extender for nccnt wan (8 pages)
Summary of Contents for Siemens 505-2571
SIMATIC 505-2571 Program Port Expander User Manual Order Number: PPX:505–8131–1 Manual Assembly Number: 2806135–0001 Original Edition...
Copyright 1996 by Siemens Energy & Automation, Inc. Reproduction, transmission, or use of this document or contents is not permitted without express consent of Siemens Energy & Automation, Inc. All rights, including rights created by patent grant or registration of a utility model or design, are reserved.
MANUAL PUBLICATION HISTORY SIMATIC 505-2571 Program Port Expander User Manual Order Manual Number: PPX:505-8131-1 Refer to this history in all correspondence and/or discussion about this manual. Event Date Original Issue 04/96 Description Original Issue 2806135–0001)
LIST OF EFFECTIVE PAGES Pages Cover/Copyright History/Effective Pages iii — vii 1-1 — 1-5 2-1 — 2-6 3-1 — 3-3 4-1 — 4-4 A-1 — A-1 Registration Description Pages Original Original Original Original Original Original Original Original Original Description...
Chapter 1 PPX:505-2571 Module Description Module Features ..............
List of Figures 1-1 PPX:505-2571 Program Port Expander Module 1-2 Process Monitoring Application Using PCs 1-3 Attaching a Lap Top PC 2-1 Location of Baud Rate Switches 2-2 Connector Pin-Out Description 2-3 Sample I/O Configuration Chart Contents ........
List of Tables 2-1 Baud Rate Switch Settings 4-1 Troubleshooting Matrix ............. A-1 Physical and Environmental Specifications .
This user manual provides installation and operation instructions for the SIMATICr 505-2571 Program Port Expander Module for Series 505t programmable controllers. We assume you are familiar with the operation of Series 505 programmable controllers. Refer to the appropriate SIMATIC user documentation for specific information on the controllers and I/O modules.
Module Features The PPX:505-2571 Program Port Expander Module is a member of the communication family of I/O modules for the Series 505 programmable controllers. The PPX:505-2571 is a single-wide, Special Function module that provides four additional communications ports that function like the program port provided on the CPU front panel.
Some controllers, like the SIMATIC 525, provide only an RS-232 port, limiting reliable communications to about 50 feet at higher baud rates. The PPX:505-2571 provides two additional RS-232 ports and 2 additional RS-422 ports in addition to the standard controller ports. These additional ports may be used to attach various types of serial devices which conform to the Non–Intelligent Terminal Protocol (NITP).
During start up conditions a PC may be attached to a serial port to aid in the debugging process. The additional ports on the PPX:505-2571 make it possible to access locally the controller. See Figure 1-3.
Powering Up the Module Checking PLC Login SIMATIC 505-2571 Program Port Expander Manual Installing the Module ............
The installation of the PPX:505-2571 Programming Port Expander Module consists of the following steps: Installation The PPX:505-2571 requires 5 watts of +5VDC power. Before inserting the Planning module into the I/O base, ensure that the power supply capacity is not exceeded.
Module addition, for the RS–232 ports (1 and 2) you can enable or disable hardware handshaking. The PPX:505-2571 is shipped with all DIP switches in the OFF position. This corresponds to a baud rate of 9600 and hardware handshaking DISABLED for ports 1 and 2.
Connecting Serial communications cables are used to connect Operator Interface devices Operator Interface to the ports of the PPX:505-2571. Port 1 and 2 provide a subset of the Devices RS–232C electrical interface. Cables for the RS-232 ports should be no longer than 50 feet.
NOT use hardware handshaking you MUST set DIP switch 3 to OFF (see Table 2-1 and Figure 2-1). Powering Up the First turn on the base power supply. If the diagnostics on the PPX:505-2571 Module detect no problems, the ACTIVE indicator will illuminate. If the indicator does not illuminate or exhibits a blinking pattern, the module has detected a component failure.
Getting Started (continued) In Figure 2-3, the PPX:505-2571 module is installed into slot 1 and I/O base 0. For your particular installation, look in the chart at the slot address occupied by the module in your configuration. If the WX and WY values are...
The PPX:505-2571 is designed to work with operator interface devices which adhere to the Non–Intelligent Terminal Protocol (NITP). Up to four supported devices may concurrently communicate with the controller. The PPX:505-2571 will provide buffering for the commands from the operator interface and responses from the controller.
To maximize throughput, the PPX:505-2571 should be placed in the local base with the controller. A PPX:505-2571 module in the local base has the advantage of 8-bit parallel data transfer to the controller across the backplane. A remote I/O module must communicate with the controller via a serial data stream.
Module When power is applied to the PPX:505-2571, it first performs a Power On Malfunction Self Test (POST) to determine if all module components are operating properly. This test takes only a few seconds. When successfully completed, the ACTIVE indicator on the module will be illuminated (on steady). If a problem is detected with the communications section for one of the ports, the ACTIVE indicator will begin blinking at a fast (2 Hz) rate.
Refer to the information below for possible causes. Baud Rate First, check to ensure that the baud rate settings on both the PPX:505-2571 Mismatch and the operator interface are set to the same data rate. If you note a problem, set both to the same baud rates and retry.
1. Baud rate mismatch 2. Hardware handshaking error. 3. Protocol error. 1. Communications “noise”. 2. Ground loop problem SIMATIC 505-2571 Program Port Expander Manual Corrective Action 1. Ensure 5V power is supplied to the rack 2. Cycle power. If ACTIVE indicator does not remain on, replace the module.
Backplane Power Consumption Operating Temperature Storage temperature Relative humidity Agency Approvals Pending Shipping Weight SIMATIC 505-2571 Program Port Expander Manual Appendix A Specifications 4 Serial Ports Ports 1 and 2 RS-232-C (subset) Ports 3 and 4 RS-422 Individually selectable 1200, 2400, 9600, 19200 38,400 Baud Data Bits –...
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