TPMC815-11

Product Details

Product Description

Product Description
Brand: TEWS
Type:TPMC815-11
Origin: the United States
Warranty: 365 days
Colour: new/used
Shipping method: Courier delivery
Module of PLC, DCS, ESD system card, the card is a vibration monitoring system, steam turbine control system module, the advantages of the gas generator spare parts brand: Allen Bradley, BentlyNevada, ABB, Emerson Ovation, Honeywell DCS, Rockwell ICS Triplex, FOXBORO, Schneider PLC, GE Fanuc, Motorola, HIMA, TRICONEX, Prosoft etc. Various kinds of imported industrial parts of our products are widely used in metallurgy, petroleum, glass, aluminum manufacturing, petrochemical industry, coal mine, papermaking, printing, textile printing and dyeing, mechanical, electronic manufacturing, automobile manufacturing, plastic machinery, electric power, water conservancy, water treatment/environmental protection, boiler heating, energy, power transmission and distribution and so on.
Port Adjustments Before the 505E will communicate with the master device, the communication parameters must be verified. These values are set in the Program Mode and can be adjusted, if required, from the Service Mode. Modbus Communication Port Adjustments PARAMETER ADJUSTMENT RANGE Baud Rate 110 TO 57600 Parity NONE, ODD, or EVEN Stop Bits 1 TO 2 Driver RS232, RS422, or RS485 505E Control Modbus Addresses The Modbus communication ports in the 505E control are programmed for unique Modbus addresses. A complete listing of these addresses for your application is located at the end of this section. The Modbus address listing consists of Boolean Writes, Boolean Reads, Analog Reads, and Analog Writes. The Boolean reads and writes are also referred to as input and holding coils. The analog reads and writes are also referred to as input registers and holding registers. All values that can be addressed by Modbus are considered to be discrete and numeric. The discretes are a 1 bit binary, on or off value and the numerics are 16 bit values. Discretes are sometimes referred to as coils or digitals and numerics are referred to as registers or analogs. All read/write registers are interpreted by the 505E as signed 16 bit integer values. Since Modbus can only handle integers, values that require a decimal point in the Modbus Master Device are multiplied by a scaling constant before being sent by the 505E. See Tables 6-7 & 6-8 for defaulted communication constants and ranges. The maximum number of discretes and registers that can be transmitted in one packet is dependent on each implementation of Modbus. The following table defines these limits.MODE OF MAX MAX TRANSMISSION DISCRETES REGISTERS ASCII 944 59 RTU 1188 118 Table 6-4. Maximum Modbus Discrete and Analog Values Boolean Writes (Holding Coils) Holding coils are logical signals that are both readable from and writable to the 505E control. An example of a Boolean write value would be raise or lower commands. A logical true denoted by the value 1 will cause the command listed in the description to be executed. For example, if a 1 is written to address 0:0010 and this corresponded to a speed raise command, the speed setpoint will increase until a 0 is written to address 0:0010. The 505E control supports function codes 1, 5, and 15. These correspond to reading selected holding coils, writing to a single holding coil, and writing to multiple holding coils, respectively. The holding coils available are listed in Table 6-5. Boolean Reads (Input Coils) Input coils are logical signals that are readable from, but not writable to, the 505E control. An example of a Boolean read value would be a turbine trip status indication. The input coil will have the value 1 if the statement in the description column is true and a 0 if false. The ‘1:’ term in the address identifies an input coil. The 505E control supports Modbus function code 2, which involves reading selected input coils. The input coils available are listed in Table 6-6.

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