© Technosoft 2011 14
IDMx40 Technical Reference
5 V Digital Inputs (opto-isolated)
All voltages referenced to 0V
PLC
.
Min. Typ. Max. Units
Input voltage Logic “LOW” -0.5 0 0.8 V
Logic “HIGH” 2.4 5 5.5
Absolute maximum, surge (duration ≤ 1S)
†
-5 +7.5
Input current Logic “HIGH” 4 10 20 mA
Logic “LOW” 0 0.1
Input frequency 0 5 KHz
Minimum pulse width 150 nS
24 V Digital Outputs (opto-isolated)
All voltages referenced to 0V
PLC
. Min. Typ. Max. Units
Logic “HIGH”; +24 V
PLC
= 24 V
DC
;
External load = 330Ω
22 23 24.5
Output voltage
Absolute maximum, surge (duration ≤ 1s)
†
-0.5 35
V
Logic “HIGH”; [+24 V
PLC
– V
OUT
] ≤ 2 V;
80 mA
Logic “LOW” (leakage crt.) 0.05 0.2 mA
Output current
Absolute maximum, surge (duration ≤ 1s)
†
-350 350 mA
ESD Protection Human Body Model
±6
kV
Encoder / Hall Inputs
Min. Typ. Max. Units
Single-ended mode compliance Leave negative inputs disconnected TTL / CMOS / open-collector
Input threshold voltage Single-ended mode 1.4 1.5 1.6 V
Differential mode compliance For full RS422 compliance, see
1
TIA/EIA-422
Input hysteresis Differential mode
±0.1 ±0.2 ±0.5
V
Referenced to GND -7 +12
Input common mode range
Absolute maximum, surge (duration ≤ 1s)
†
-25 +25
V
Single-ended mode 4.7
kΩ
Input impedance
Differential mode (see
1
) 120
Ω
Input Frequency 0 8 MHz
ESD Protection Human Body Model
±2
kV
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