Edwards PGC201, Instruction Manual

Page: 21 / 68

D0300040001EN - Technical data
Page 11
Outputs and inputs
Analog output
External control
Serial interfaces
RS232
Number: 1 per measurement channel
Voltage range: 0 to 10 V d.c. (limit values 0 to 10.5 V d.c.)
Output voltage for fault: 10.2 to 10.5 V d.c.
Deviation of display value: ± 0.2%
Internal resistance: 100 Ohm
Characteristic: Logarithmic
Measurement
channel
 
CPG 1.43 V d.c./decade (0 V
≙
1 x 10
-9
mbar)
p = 10
-9
mbar
·
10
(U[V]/1.43V)
p = 10
-7
Pa
·
10
(U[V]/1.43V)
p = 0.75 x 10
-9
Torr
·
10
(U[V]/1.43V)
1.333 V d.c./decade (0.667 V
≙
1 x 10
-9
mbar)
p = 10
-9
mbar
·
10
((U[V]-0.677V)/1.333V)
p = 10
-7
Pa
·
10
((U[V]-0.677V)/1.333V)
p = 0.75 x 10
-9
Torr
·
10
((U[V]-0.677V)/1.333V)
PRG 1.67 V d.c./decade (0 V
≙
1 x 10
-3
mbar)
p = 10
-3
mbar
·
10
(U[V]/1.67V)
p = 10
-1
Pa
·
10
(U[V]/1.67V)
p = 0.75 x 10
-3
Torr
·
10
(U[V]/1.67V)
1.286 V d.c./decade (1.9 V
≙
5 x 10
-4
mbar)
p = 5 x 10
-4
mbar
·
10
((U[V]-1.9V)/1.286V)
p = 5 x 10
-2
Pa
·
10
((U[V]-1.9V)/1.286V)
p = 3.75 x 10
-4
Torr
·
10
((U[V]-1.9V)/1.286V)
Response time: 100 ms approximately
Resolution: 10-bit
Connection: SUB-D, 15-way, plug (jointly used with connection
for external control)
PLC compatible logic level: (Low) < 7 V d.c.; 0 Amp
(High) > 13 V d.c.; 7 mA (at 24 V d.c.)
Contact via relay: 24 V d.c. approximately, is provided by the
instrument via a self-resetting fuse (100 mA)
Connection: SUB-D, 15-way, plug (jointly used with analog
output connection)
Standard: RS232
Parameters: 8 data bits, 1 stop bit, no parity, no protocol
Signals: RXD and TXD
Baud rate: 9600, 19200, 38400 baud
Connection: SUB-D, 9-way, socket (jointly used with RS485)