Addi-Data APCI-1710, Technical Description

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APCI-1710 Technical data
15
4.4.1 Inputs
Number of inputs: ......................................28
Input type:
Differential inputs or rather TTL ...............16
Mass-related inputs ....................................12
APCI-1710
Differential inputs, 5 V
Fulfils the EIA standard RS485
Nominal voltage:........................................5 VDC
Common-mode range:................................+12/-7 V
Max. differential voltage:...........................± 12 V
Input sensitivity:.........................................200 mV
Input hysteresis: .........................................50 mV
Input impedance:........................................12 k
Ω
Load resistance (type): ...............................150 Ω in series with 10 nF
Signal delay:...............................................120 nS (at nominal voltage)
Max. input frequency: ................................5 MHz (at nominal voltage)
“Open Circuit Fail Safe Receiver Design” “1” = inputs open
ESD protection:..........................................up to ±15 kV
Mass-related inputs, 24 V (channels E, F, G)
Nominal voltage:........................................24 VDC
Input current (when nominal voltage):.......11 mA (typical)
Logic input level: .......................................U
H
max.: 30 V
U
H
min.: 19 V
U
L
max.: 15 V
U
L
min.: 0 V
Signal delay:...............................................120 ns (at nominal voltage)
Max. input frequency: ................................2.5 MHz (at nominal voltage)
Mass-related inputs, 5 V (OPTION, channels E, F, G)
Nominal voltage:........................................5 VDC
Input current (when nominal voltage):.......10 mA
Logic input level: .......................................U
H
max.: 7 V
U
H
min.: 2 V
U
L
max.: 0.8 V
U
L
min.: 0 V
Signal delay:...............................................120 ns (at nominal voltage)
Max. input frequency: ................................5 MHz (at nominal voltage)