EN-40
PR Series Balance
9.4.2
RS232 (DB9) Pin Connections
Diagram
Type
Description
Interface type
Voltage interface conforming to EIA RS-
232C/DIN 66020 (CCITT V24/V.28)
Max. cable length
15 m
Signal level
Output:
+5 V ... +15 V (RL = 3
–
7kΩ)
-5 V ... -15 V (RL = 3 -
7 kΩ)
Input:
+3 V ... +25 V
-3 V ... -25 V
Connector
Sub-D, 9-pole, female
Operating mode
Full duplex
Transmission mode
Bit-serial, asynchronous
Transmission code
ASCII
Baud rates
1200, 2400, 4800, 9600, 19200, 38400
(firmware selectable)
Bits/parity
7-bit/even, 7-bit/odd, 7-bit/none,
8-bit/none (firmware selectable)
Stop bits
Stop bit 1, 2
Handshake
None, XON/XOFF, RTS/CTS (selectable)
End-of-line
Not selectable
10. SOFTWARE UPDATES
Ohaus is continuously improving its balance software. To obtain the latest release, please contact your Authorized
Ohaus Dealer or Ohaus Corporation.