Delta Electronics Network Device VFD-S Spezifikationen PDF herunterladen (Seite 64)

VFD-S Series

5-47

9 - 03 Modbus Communication Watchdog Timer Factory Setting: d 0

Settings d0 Disable Unit: 1 sec

d1 1 sec to d20 20 sec

This parameter can be set during operation.

! If the Watchdog timer function is enabled, the timer will start counting once the first valid

Modbus communication signal is received after power-up or reset. The timer will reset

to 0 after each valid Modbus communication message is received. If the watchdog timer

reaches the value set in Pr. 9-03, the drive will stop its output and display the message

"CE10" on the digital keypad. This fault can reset by an external terminal, keypad or a

Modbus communication reset command.

9 – 04 Kommunikációs protokol Factory Setting: d 0

Settings d 0 Modbus ASCII mode, protocol <7,N,2>

d 1 Modbus ASCII mode, protocol <7,E,1>

d 2 Modbus ASCII mode, protocol <7,O,1>

d 3 Modbus ASCII mode, protocol <8,N,2>

d 4 Modbus ASCII mode, protocol <8,E,1>

d 5 Modbus ASCII mode, protocol <8,O,1>

d 6 Modbus RTU mode, protocol <8,N,2>

d 7 Modbus RTU mode, protocol <8,E,1>

d 8 Modbus RTU mode, protocol <8,O,1>

This parameter can be set during operation.

! 1.Computer Control

1: +EV

2: GND

3: SG-

4: SG+

# There is a built-in RS-485 serial interface, marked (RJ-11 Jack) on the control

terminal block, for VFD-S Series. The pins are defined above.

Each VFD-S AC drive has a pre-assigned communication address specified by Pr.

(9-00). The computer then controls each AC drive according to its communication

address.

# VFD-S can be setup to communicate on Modbus networks using one of the

following modes: ASCII (American Standard Code for Information Interchange) or

RTU (Remote Terminal Unit). Users can select the desired mode along with the

serial port communication protocol in Pr. 9-04.

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Delta Electronics Network Device VFD-S Spezifikationen Seite 64