
2426 Instruction Manual
14
Specifications
Chapter 10: Specifications
Table 9: Communications Interface Specifications
Network Physical layer 10BaseT, 100BaseTx Ethernet
Bit rate 10/100 Mbps, auto-detecting
Isolation 1500Vrms
Protocols ARP, ICMP, IPv4, TCP
Configuration Programmable via HTTP (static ARP): IP address, netmask, gateway
HTTP Server Concurrent sessions 0 to 1
Functions Status, configuration, I/O monitor/control
TELNET Server Concurrent sessions 0 to 3
Time-out interval 5 minutes (default, programmable via HTTP), programmable per session via shell
Telnet protocol options Telnet Binary Transmission (RFC 856)
Telnet Com Port Control (RFC 2217)
Async Serial COM Physical layer RS-422 or RS-485, shunt configurable
Bit rate 300 bps to 115.2 Kbps, software selectable
Termination (RS-422/485) 120 ohms ±5%, transmit and/or receive pair, shunt configurable
Receiver turnaround 250 µs maximum
Table 10: Timestamp Generator Specifications
Timestamp Generator Count rate 1.0 MHz
Temperature stability ±200 ppm/°C
Resolution 32 bits (1.0 µs)
Table 11: Encoder Interface Specifications
Encoder Interface Resolution 32 bits
Count rate 0 to 30 MHz
Clock rate Quadrature: 0 to 7.5 MHz at 90 degree phase angle, derate for other phase angles
Non-quadrature: 0 to 15 MHz, 33.33 ns minimum pulse width
Clock/Index input signals RS-422 differential, TTL/5VCMOS compatible, ±7V CMV maximum
Encoder power output 5VDC ±5%, 100mA maximum
Data format Signed 32-bit integer with timestamp
Table 12: Analog Input Interface Specifications
Analog Inputs Channels 6 external, 2 internal reference
Resolution 12 bits
Input type Differential
Differential input range -10V to +10V, minimum (at 0V CMV)
CMV input range -10V to +10V
Input impedance 22M ohms minimum
Conversion rate 1000 samples/second, per channel
Inter-channel acquisition skew 125 µs maximum
Trigger Internal hardware timer
Data format Signed 16-bit integer with timestamp
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