VTI Instruments EX1401 User Manual page 20

VTI Instruments Corp.
DIO S
PECIFICATIONS
N DIO
UMBER OF CHANNELS
E S
LECTRICAL PECIFICATIONS
Maximum Input Voltage
Input Impedance
Minimum Input Pulse Width
Minimum Output Pulse Width
V
IL
V
IH
V
OL
V
OH
I
MAX
I - D
SOLATION IGITAL
Basic insulation, IEC 61010-1 (3
for secondary circuits derived from the Mains
Input channel to Ground
Input channel to channel
Impedance across barrier
C
ONNECTOR
LXI S
PECIFICATIONS
N C
ETWORK ONNECTION
LXI C C ( 1.4)
LASS OMPLIANCE V
C S
LOCK PECIFICATIONS
Clock oscillator accuracy
Synchronization accuracy
Default 1588 Sync threshold
Timestamp
Accuracy
Resolution
IEEE 1588- T T
BASED RIGGER IMING
Alarm
Trigger time accuracy
Time to trigger delay
Receive LAN[0-7] Event
Trigger time accuracy
Time to trigger delay
Future timestamp
Past/zero timestamp
H T T
ARDWARE RIGGER IMING
DIO IN time to trigger delay
EXT TRIG in to timestamp delay
Internal event/state to EXT TRIG
OUT time delay
Internal event/state to DIO OUT
time delay
LAN event in with event time !=0
LAN event in with event time == 0
LAN event out timestamp
granularity
I D S
NTERNAL ATA TORAGE
20
8
-0.5V to 5.5V, ESD protected
Signal is pulled low by a 10k Ohm resistor
100 μs
100 μs, updated synchronously with the ADC sampling, prior to decimation
< 0.8V
> 2.0V
< 0.55V @ 10 mA
> 2.0 V @ 10 mA
10mA max per channel, 20mA max per bank
rd
): Pollution degree II, Material IIIa, Altitude < 5000m, Overvoltage Category II, applicable
±250 V Peak continuous working voltage
None, all channels share one ground pin
1000pF || 10MΩ || Gas Discharge Tube rated for 600V
9 pin standard D-Sub Female socket
10/100 Base-T (auto MDI-X)
LXI Core + Clock Synchronization + Event Messaging + Event Logs + Time Stamped
Data + IPv6 Support
±20 ppm (when free running as Master, with no other clocks)
±20 ns typical (with high-quality IEEE 1588 grandmaster and transparent clocks).
Reports "synchronized" when < ±300 ns of the 1588 master clock
Configurable (default is 300 ns)
As good as time synchronization down to 40 ns
40 ns
As good as time synchronization down to 40 ns
40 ns
As good as time synchronization down to 40 ns
40 ns typical
Unspecified (Based on processor workload)
Min: 50 ns, Max: 100 ns
Min: 46 ns, Max: 86 ns
Min: 40ns, Max: 80ns
Min: 50 ns, Max: 100 ns
0 to 40ns (because of clock granularity)
(unspecified)
40ns
64 MSamples, shared among all enabled channels
(~6.6 minutes when sampling all 16 inputs at 10kSPS)
EX1401 Introduction