5Ti Port; Cru Expansion Port; Character Format - Siemens SIMATIC VPU200-3104 Hardware Manual

5TI Port

CRU Expansion Port

4-14 Installation
Other Printers. The VPU200–3104 can be connected to any printer that
will accept the character format shown in Figure 4-12 and is compatible
with the printer port connector shown in Figure 4-7. Voltage levels at the
printer port are compatible with E.I.A. standard RS–232–C. VPU200
requirements for printing are pin 3 (RX Data), pin 7 (Signal GND), and pin
20 (Data terminal ready). Data terminal ready is used for printer busy.
+ 12 V –– "Space": Control Signal
–12 V –– "Mark": Control Signal
–12 V
+ 12 V
LSB
Start Bit
The SIMATIC 5TI
controller.
The CRU expansion port is reserved for future use.
"On": Data "0"
"Off": Data "1"
D D D D D
7 Bit ASCII Character
Figure 4-12 Character Format
port is not used with the SIMATIC 560/565
SIMATIC VPU200–3104 Hardware Manual
The transmit line gives
"data" not "control"
D D
MSB
One Stop Bit for
over 110 Baud
Two Stop Bits
for 110 Baud
Parity Bit
(Odd)
1
0