Eaton ER9.3-10, Руководство пользователя

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Setting Parameters Using RS232 Serial Interface and PC
Remote operation or remote parameter adjustment may be executed through the RS232 serial
interface. The following transmission parameters are applicable:
Transmission rate: 19200 baud
Data format: 8 data-bits, 1 stop-bit, no parity
Terminal emulation: TTY
Voltage level: 12 V
The connection cable must meet the following requirements:
•
Use a null modem cable
•
The card connection is a 9-pole SUB-D female connector
•
For the connection use a 3-poled cable
•
Pins 1, 7 and 9 should be unassigned
•
RxD is assigned to pin 2
•
TxD is assigned to pin 3
•
GND is assigned to pin 5
•
The pins 4, 6 and 8 are internally shorted (null modem cable).
Table 4 Shows the pin assignments for the 9-pin socket on the front panel.
Pin Signal
1 Reserved
2 RxD
3 TxD
4 Connected with Pin 6 and Pin 8
5 GND
6 Connected with Pin 4 and Pin 8
7 Reserved
8 Connected with Pin 4 and Pin 6
9 Reserved
Table 4: Pin connections
Wrong pin assignments will result in the following fault messages:
Display
•
---d there is an error at pin 1 (wrong data)
•
---c there is an error at pin 7 (time out)
•
no display possible error at pin 9 (short circuit at GND).
The proper cable to connect the ER9.3 card and a PC is also available from Eaton Fluid Power
GmbH, Germany (Order number: HC000000316911). The length of the cable is about 2.50 m.
Parameter editing can be done using the enclosed ER9.3-Tool. The tool allows editing, downloading,
uploading and saving single parameters or parameter sets. The software tool includes a
comprehensive online help.
Setting Values
The ER9.3 card offers the possibility to set three analog and 4 + 1 digital values. Fig. 3 shows the
block structure and links between values.