Siemens SIMATIC TI505 Manual de usuario Pagina 79

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Specifications
C-3
SIMATIC TI505/TI500 MODNIM User Manual
C.2 MODNIM Communications Specifications
T
able C-2
lists communication and other specifications of the MODNIM.
T
able C-2
MODNIM Specifications
Item Description
Model Number
PPX:505–5184; PPX:500–5184
Media
Dual RS-232-C/423
I/O Slots 1 slot (Series 505); 2 slots (Series 500)
Data Rates
50, 75, 110, 150, 200, 300, 600, 1200, 1800,
2400, 3600, 4800, 7200, 9600, 19200
RS-232-C/423 Ports Configured as DTE, asynchronous,
with or without RTS/CTS handshaking;
external modem support
Data Link Protocol ASCII and RTU
Network Media Appropriate cable for RS-232-C
Maximum power from base
8 W
, +5 VDC
Weight, dimensions of unpacked
module
1 lb., 3 oz; 10.5
× 8.0
×
0.8
Weight, dimensions of packed module
2 lbs., 9 oz; 12.75
×
13.5
″×
3.75
T
able C-3
lists the TIW
A
Y primitives that correspond to the Modbus codes.
T
able C-3
Modbus Codes vs. TIW
A
Y Primitives Chart
Code
Modbus Description Code TIWAY Primitive Description
01 Read Coil Status TT=7
TT=8
Read discrete outputs packed (Y)
Read coils packed (C)
02 Read Input Status TT=6 Read discrete inputs packed (X)
03 Read Holding Register TT=1 Read V memory (V)
04 Read Input Register TT=9 Read word input (WX)
05 Force a Single Coil TT=4
TT=5
Write a single discrete output (Y)
Write a single discrete coil (C)
06 Write a Single Register TT=1 Write a single V memory (V)
07 Read Exception Status TT=4,7
TT=5,8
Read 1
st
8 discrete outputs (Y)
Read 1
st
8 C coils 1 – 8 (C)
08 Execute Diagnostics
11 Get Comms. Event Cntr.
12 Get Comms. Event Log
15 Write Multiple Coils TT=4,7
TT=5,8
Write mult. discr. outputs packed (Y)
Write mult. discrete coils packed (C)
16 Write Multiple Registers TT=1 Write multiple V memory (V)
17 Report Slave I.D.
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