Motorola ACE3600 RTU, Owner'S Manual, Page: 188 / 379

Mixed I/O Module
14-7
Mixed I/O Module Specifications
Total Number of Inputs /
Outputs 16 Digital 4 EE Relay O 4 Analog Inputs
( ±20 mA)
16 Digital 4 ML Relay O 4 Analog Inputs
( ±20 mA)
I/O Arrangement 1 group of 16 DIs with shared common
4 relay outputs - Form C
4 isolated analog inputs
DI Counter Inputs The first 12 inputs can be configured as fast counters.
DI Frequency 0 - 1 KHz
DI Fast Counter Frequency 0 - 5 KHz, minimum pulse width 100 µS
DI Max. DC Voltage Max. 40 V DC
DI “ON” DC Voltage Range +11 to +30 V DC, -30 to -11 V DC
DI “OFF” DC Voltage Range -5 to +5 V DC
DI Current 6-10 mA
Fast Capture Resolution 1 mS (Interrupt upon change of state)
Event Time Tagging
Resolution 1 mS (Interrupt upon change of state)
DI Filtering 0 to 50.8 mS (DC, programmable in 0.2 mSec steps)
DI Counter Filtering 0 to 12.75 mS (programmable in 0.05 mSec steps for inputs configured as
high speed counters)
DO Contact Voltage Ratings Max. 60 V DC or 30 V AC RMS (42.4 V peak).
DO Contact Power Ratings 2A @ 30 V DC, 0.6A @ 60V DC or 0.6A @ 30V AC
(resistive load)
DO Relay Back Indication Contact position - hardware back indication
DO Fail State Configurable relay state on CPU fail: On, Off or ‘last value’
AI Resolution 16 Bit (including sign)
AI Accuracy ±0.05% of full scale @ 25ºC
AI Sampling Time 10 mSec @ 50 Hz filtering
8.33 mSec @ 60 Hz filtering
AI Smoothing Selectable input averaging: 1, 2, 4, 8, 16, 32, 64 or 128 samples
(x10 mS)
AI max. Potential between
AIs 75 V DC, 60 V AC (RMS)
AI Impedance
Rin < 250 Ω