Operating Instructions
09.10.03
Serial Input/Output Converter SIOC03
SIOC03_GB
2
1
Introduction
1.1
Product Overview
The SIOC03 module is an optically isolated converter that converts RS232 to half duplexed
RS485 signals and vice-versa. The converter performs all necessary level shifting required
to interface these two different communication systems.
1.2
Manual Overview
This manual contains specifications, receiving and installation instructions, configuration,
description of operation, and troubleshooting procedures for the SIOC03 Serial Input/Out-
put Converter.
2
Receiving and Installation
2.1
Initial Inspection
The SIOC03 option contains an SIOC03 converter module, two sets of cables for connect-
ing to the EF1, and a 24 VDC power supply. One of the cables is for reflashing the drive's
firmware (marked WF2 Reflash and having an RJ45 connector); the other is for Modbus
communications (marked WF2 Modbus.)
Carefully inspect the SIOC03 for shipping damage or missing components. Report any
shipping damage to your nearest BERGES representative.
2.2
Product Features & Specifications
Power supply requir5 VDC or +12–24 VDC; 50 mA
Module input
RS232 for PC or PLC, 9 pin “D” shell, female
Module output
RS485 half duplex, to terminal block
Maximum baud rate
110 k bits per second (bps)
Signal Isolation
Optical, 1,000 volts
Rectified power supply input Power supply polarity makes no difference
Break apart terminal
Allows easy replacement, if needed
Ease of installation
Simple 2 wire half duplex requires a minimal number of elec-
trical connections per device
Common protocols
Input RS232 is available on all PCs and many PLCs. Output
RS485 is common in industrial applications, providing flexi-
bility in selection of other system components
Jumper selectable echoing Allows disabling of echo feature for compatibility with a great-
er number of devices and host software
LED diagnostics
PWR – power supply is OK.
TE – transmit enable is active.
TxD – data is present on the transmit line.
RxD – data is present on the receive line.
Jumper selectable RS232 -
RS 485 Transmit Enable
Method
Allows selection between an Automatic Transmit Enable or
an RTS/CTS Transmit Enable
Summary of Contents for SIOC03
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