DI-4730 Hardware Manual
Specifications
4
Count/Rate/Digital Inputs
Internal pull-up value:
4.7 k
Input high voltage threshold:
2.4 V
Input low voltage threshold:
0.8 V
Terminal count:
65,535
Maximum rate frequency:
50 KHz with one enabled channel
20 KHz with 2-4 enabled channels
10 KHz with 5-7 enabled channels
Minimum rate frequency:
0.5 Hz
Maximum count frequency:
50 kHz
Ethernet Interface
Type:
10/100Base-T
Connector:
RJ-45
Protocol:
TCP/IP
Server Type:
DHCP or Fixed IP
Removable Memory
Type:
MLC, pSLC, or SLC flash memory (with USB SD card reader); USB
thumb drive
Required Format:
FAT32
Indicators and Connections - Rear Panel
USB
port:
USB 2.0 (mini-B style connector) PC communications
USB Drive
(A-type Connector):
USB drive for Stand-alone data logging
Cannot be used concurrently with the USB interface
Ethernet
port:
RJ-45 10/100Base-T; PoE supported
Digital I/O
connections:
One 16-position screw terminal block
Button
:
Multi-function control (Start, Stop, Save Configuration, Apply Configu-
ration)
Status
LED:
One multicolor LED for status indication
Indicators and Connections - Front Panel
Analog Input Connections:
16 insulated banana jacks (2 per channel)
USB ChannelStretch™ Operation
Total Max Units:
16
Max Channel Count:
128 Analog, 112 Digital
Max Throughput:
≥
480 kHz (higher speeds may result in data loss)
Channel skew between any 2 units:
10 µS, typical
