User guide

1 Publication 1746-UM006B-EN-P - August 2005
Appendix A
Specifications
General
Inputs A, B, and Z
Description Specification
Operating Temperature 0 °C to +60 °C (+32 °F to +140 °F)
Storage Temperature -40 °C to +85 °C (-40 °F to +185 °F)
Humidity 5 to 95% without condensation
Backplane Current Consumption
(power supply loading)
320 mA at +5V
0 mA at +24V
Maximum Cable Length
(1)
(1) Belden 9503 or equivalent.
305 m (1000 ft)
Agency Certification
(when product or packaging is marked)
• CSA certified
• CSA Class I, Division 2
Groups A, B, C, D certified
• UL listed
• CE marked for all applicable
directives
Description
Specification
Differential
(Switch 1 on)
Single Ended
(Switch 1 off)
Input Voltage ±5V dc
0 to 5V dc
(2)
(2) Channel A to Channel B.
On-State Voltage 2.8 to 4.5V dc 3.1 to 5.5V dc
OFF-State Voltage -5.5 to 0.8V dc 0 to 0.8V dc
Max Off-State Leakage
Current
100 µA 600 µA
Input Current (mA) 2.5 mA at 2.8V dc
7.5 mA at 4.5V dc
2.5 mA at 3.1V dc
7.5 mA at 5.5V dc
Nominal Input Impedance 700 Ω 825 Ω
Min. Pulse Width 10 µs
Min. Phase Separation
(1)
(1) Twelve and 24 V must be used with a pullup resistor.
4.5 µs
Max. Input Frequency
• Sequencer
• Range Rate
• 50k Hz
• 32.767k Hz
Isolation (from backplane) 1500 volts