Hardware reference guide

Intelligent/Special Purpose
35013379 02 October 2007 337
Specifications The following table shows the specifications for the EHC10500 high speed counter.
Specifications
Number of Channels 5 counter inputs, 8 digital inputs, and 8 digital outputs
LEDs Active
F
R (Green) - Module is ready
1 ... 8 (Green - left column) - Discrete Inputs (IN1 ... IN8)
C1 ... C5 (Green - middle column) - Discrete Counter Inputs (C1 ... C5)
1 ... 8 (Green - right column) - Discrete Outputs (OUT1 ... OUT8)
P (Green) - 24 Vdc is present
Required Addressing 13 Words In
13 Words Out
Discrete Counter Inputs
Count Frequency 100 kHz max @ 5Vdc
35 kHz max @ 24Vdc
Input Thresholds On
+3.1 ... +5V
+15 ... +30V
Off
0 ... 1.15V@5 Vdc
-3 ... +5V@24 Vdc
Input Current 7 mA
Duty Cycle 1 : 1
Data Formats 16 Bit Counter: 65,535 Decimal
32 Bit Counter: 2,147,483,647 Decimal
Operation Modes Discrete incremental counter
Max Continuous Input Voltage 30 Vdc
Discrete Inputs
VREF Supply + 24 Vdc On State (Vdc)
-3.0 ... 5.0.
Off State (Vdc)
15.0 ... 30.0
Input Current (typical) 5 mA
Discrete Outputs
FET Switch ON 20 ... 30 Vdc
FET Switch OFF 0 Vdc (ground reference)
Max Load Current (each output) 210 mA max
Output Off State Leakage 0.1 mA max @ 30 Vdc
Output On State Voltage Drop 1.25 Vdc @ 0.5 A
Miscellaneous
Isolation (Channel to Bus) 500 Vac rms for 1 minute
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com