Rs232 Communications Port; Data Display And Keypad - Flowmetrics 922-MFC Installation And Operating Instructions Manual

5.24 Auxiliary Power Output
Voltage:
Isolation:
Current:
Protection:

5.3 RS232 Communications Port

(See Section 8 for more information on RS232 Option.)
Connector:
Input Impedance:
Compliance Voltage:
Output: -25 to -5 (Mark); 5 to 25 (Space); Volts
Input: -25 to -3 (Mark); 3 to 25 (Space); Volts
Protection:
Protocol:
Parity:
Available Baud Rates: 300, 1200, 9600
RS232 Connector Pin Out
Ground (7)
Printer Busy (11)
Pins 6, 8 and 20 are internally jumpered together
Pins 4 and 5 are internally jumpered together

5.4 Data Display and Keypad

Internal 2 line by 20 character dot matrix LCD dis-
play. Sealed, 16 key panel featuring numeric keys
0- 9, plus the following keys:
A ...... Advance through menus
B ...... Back up through menus
C ...... Cancel current menu selection
D ...... Decimal point key
ENT . General purpose enter or recall data key
CLR . Data clear key
24VDC regulated and filtered
230VAC max
0 to 100mA
Short Circuit Proof
25 Pin Female (DB25S)
3000Ω to 7000Ω
Short circuit proof.
8 bits, 1 Stop bit
None (Not monitored)
13 12 11 10 9 8
25 24 23 22 21
7 6 5 4 3
20 19 18 17 16 15
5-6
Transmit (3)
Receive (2)
2 1
DB25S
14