saved in HHR non-volatile memory. So HHR will use this parameter in RS232
connection with any device until the parameter is changed once again.
The default parameters are:
●
Baud Rate: 115200
●
Data Bits: 8
●
Parity: None
●
Stop Bits:1
●
Handshaking: None
Handshaking is fixed to None and it can't be changed in any way.
Detail information about RS232 functions you can find in “D01B1.9 HHR 3000 PRO
Functions.pdf”.
Hardware details of RS232 cable.
The end of cable which will be connected to PC or Trutest scale.
2 – RS232 TxD
3 – RS232 RxD
5 – GND
1,4,6,7,8,9 – no connection
You can use our RS232 cable (part 55007 or cable from 55008) to connect directly
to any PC RS232 socket.
Tru-Test Scales
HHR can cooperate with Tru-Test series 2000 scales. As mentioned upper, special
functions must be used to be able to connect HHR to Tru-Test. Please refer to
sections below.
Hardware
To connect HHR to Tru-Test scale please use supplied HHR-RS232 cable
(Biocontrol part 55007).
Connect gray plug with sticker “CONNECT TO HHR” to HHR and opposite
end of cable to Tru-Test scale.
Please set transmission parameters according documentation of scale with
functions provided by HHR OS.
D01B2.4 HHR 3000 PRO Manual
71/75
This plug
to HHR3000
This plug
to TruTest
scale or PC
