Produal Sensortec PEL 1000-M, Руководство пользователя, Страница: 7 / 8

USER GUIDE
PEL 1000 / PEL 1000-M
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Produal Oy Keltakalliontie 18, 48770 Kotka FINLAND Tel: +358 10 219 9100 / Fax: +358 5 230 9210 info@produal.fi www.produal.com
Information is subject to change without prior notice.
MODBUS
Bus properties
Protocol RS-485 Modbus RTU
Bus speed 9600/19200/38400/57600 bit/s
Data bits 8
Parity none/odd/even
Stop bits 1
Network size up to 127 devices per segment
Bus termination
The Modbus can be terminated by placing the Modbus termination jumper (S7).
A. Modbus termination jumper
Supported Modbus functions
0x01 Read Coils
0x02 Read Discrete Inputs
0x03 Read Holding Registers
0x04 Read Input Registers
0x05 Write Single Coil
0x06 Write Single Register
0x0F Write Multiple Coils
0x10 Write Multiple Registers
0x17 Read/Write Multiple Registers
Modbus registers
Data types:
bit = 0 or 1
unsigned = unsigned integer (0…65535)
signed = integer (-32768…32767)
Discrete inputs (read only)
Register Parameter description Data type Value Range
1000 1 Zeroing button is pressed within 1 minute bit 0…1 no=0, yes=1