7.3
Connecting a Force Balance
A force balance can serve as an external scale when connected to one of the DC-200/300’s RS-232C ports.
7.3.1
Spec Settings for Force Balance
In order for the DC-200/300 scale to recognize an force balance properly and receive data to it, there are
customer specifications which must be set properly. The settings depend on which of the RS-232C ports you are
connecting the balance to: the “main” RS-232C port or one of the “option ports” SIO1 or SIO2. (See
Figure 7-1).
If the printer is connected to the main port (next to the keyboard port), the settings should be as follows:
Note:
For instructions on how to set the customer specifications, please see Section 2.9.
•
SPEC 15: SIO SELECT JOB to “1: FORCE BALANCE”
•
SPEC 16: BAUD RATES (SIO) to the proper baud rate for your balance
•
SPEC 17: DATA LENGTH (SIO) to the proper length for your balance
•
SPEC 18: PARITY BIT (SIO) to the proper setting for your balance
•
SPEC 19: STOP BIT (SIO) to the proper setting for your balance
•
SPEC 29: RS232C CONNECT FB to “1: ENABLE”
•
SPEC 30: TYPE OF FORCE BALANCE to “0: EXPORT”
If the printer is connected to one of the option ports, the spec settings depend upon what else you have connected
to the other port. These two RS-232C ports are set in tandem using SPEC 20: RS232 OPTION CARD. Possible
combinations include the following:RS232 Option Card (SIO1 and SIO2)
Note:
For instructions on how to set the customer specifications, please see Section 2.9.
If connecting to...
Set specs as follows...
a force balance on SIO1
an external printer on SIO2
SPEC 20: RS232 OPTION CARD to “1: PRN (DIN2) - FB (DIN1)
SPEC 21: BAUD RATE (DIN1) to the appropriate baud rate for the force balance
SPEC 22: DATA LENGTH (DIN1) to the appropriate number of bits for the force balance
SPEC 23: STOP BIT (DIN1) to the appropriate number of bits for the force balance
SPEC 24: PARITY BIT (DIN 1) to the appropriate odd or even for the force balance
SPEC 25: BAUD RATE (DIN2) to the appropriate baud rate for the printer
SPEC 26: DATA LENGTH (DIN2) to the appropriate number of bits for the printer
SPEC 27: STOP BIT (DIN2) to the appropriate number of bits for the printer
SPEC 28: PARITY BIT (DIN 1) to the appropriate odd or even for the printer
SPEC 29: RS232C CONNECT FB to “1: ENABLE”
SPEC 30: TYPE OF FORCE BAL to “0: EXPORT”
SPEC 32: TYPE OF PRINTER to the appropriate setting for the printer you are connecting
an external printer on SIO1
a force balance on SIO2
SPEC 20: RS232 OPTION CARD to “2: FB (DIN2) - PRN (DIN1)
SPEC 21: BAUD RATE (DIN1) to the appropriate baud rate for the printer
SPEC 22: DATA LENGTH (DIN1) to the appropriate number of bits for the printer
SPEC 23: STOP BIT (DIN1) to the appropriate number of bits for the printer
SPEC 24: PARITY BIT (DIN 1) to the appropriate odd or even for the printer
SPEC 25: BAUD RATE (DIN2) to the appropriate baud rate for the force balance
SPEC 26: DATA LENGTH (DIN2) to the appropriate number of bits for the force balance
SPEC 27: STOP BIT (DIN2) to the appropriate number of bits for the force balance
SPEC 28: PARITY BIT (DIN 1) to the appropriate odd or even for the force balance
SPEC 29: RS232C CONNECT FB to “1: ENABLE”
SPEC 30: TYPE OF FORCE BAL to “0: EXPORT”
SPEC 32: TYPE OF PRINTER to the appropriate setting for the printer you are connecting
Table 7-6. Spec Settings for RS232C Ports SIO1 and SIO2
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