LEYBOLD IONIVAC Series - Interface and Switching Functions

Technical Data
GA09420_002_C0 – (2016-10) –
 Leybold
9
Switching functions
ITR 90
ITR 90 P
Adjustment range
none
2 (setpoints A and B)
1×10
-9
mbar … 100 mbar
Setpoints adjustable via potentiometers
(setpoints A and B), one floating, nor-
mally open relay contact per setpoint
(→  20, 34)
Adjusting the setpoints via field bus is
described in the corresponding bus sec-
tions.
Relay contact rating
Voltage
Current
≤30 V
≤0.5 ADC
RS232C interface
Data rate
Data format
Connections (sensor cable connector)
TxD (Transmit Data)
RxD (Receive Data)
GND
9600 Baud
binary
8 data bits
one stop bit
no parity bit
no handshake
Pin 13
Pin 14
Pin 5
Function and interface protocol of the RS232C interface →  29
Profibus interface (ITR 90 P)
Fieldbus name Profibus
Standard applied
→  [5]
Interface protocol data format
→  [3], [5]
Interface, physical RS485
Data rate
≤12 MBaud (→  [3])
Node address
Local
(Adjustable via hexadecimal
"ADDRESS", "MSD", "LSD"
switches)
Via Profibus
(hexadecimal "ADDRESS" switches
set to >7d
hex
(>125
dec
))
00 … 7D
hex
(0 … 125
dec
)
00 … 7D
hex
(0 … 125
dec
)
Profibus connection D-Sub, 9-pin, female
Cable Shielded, special Profibus cable
(→  22 and  [4])
Cable length, system wiring According to Profibus specifications
(→  [4], [5])