Bailey IMCIS12 - Page 16

INTRODUCTION
SPECIFICATIONS
WBPEEUI240755B0 1 - 7
Digital I/O
Digital inputs 3, optically isolated
Digital outputs 4, open collector, optically isolated
Off output voltage V
I/O
(nominal 24 VDC or 48 VDC)
On output voltage 1.5 VDC maximum
Off output current 10
µ
A maximum
On output current 250 mA maximum at 24 VDC; 125 mA maximum at 48 VDC
Analog I/O
Analog inputs 4, 1-5 VDC (differential/single ended) or 4-20 mA
TU/TM configured to accept: 1 powered or unpowered current (4-20 mA)
Single ended or differential voltage (1-5 VDC)
Input impedance >1 M
Ω
Common mode voltage
±
10 VDC
IMCIS12
Normal mode rejection >76 db at 50/60 Hz
Common mode rejection 90 db from DC to 60 Hz
Response time per channel
(100% step change)
2.4 sec to 95% of final value
IMQRS12
Normal mode rejection 37 db at 50/60 Hz
Common mode rejection 53 db from DC to 60 Hz
Response time per channel
(100% step change)
0.27 sec to 95% of final value
A/D resolution 12 bits for analog inputs
Table 1-5. Specifications
(continued)
Property Characteristic/Value
Voltages (
±
10%)
(jumper selectable)
Current (typical)
Turn-on voltage
(minimum)
Tun-off voltage
(maximum
Maximum input current at
minimum turn-on
Off-leakage current
(maximum)
DC response time
(debounce filter)
24 VDC 48 VDC 125 VDC 120 VAC
5.5 mA 4.7 mA 4.5 mA 4.8 mA
16.8 VDC 20.1 VDC 69.3 VDC 54 VAC
13 VDC 29 VDC 58 VDC 48 VAC
4 mA at
14.7 VDC
4 mA at
32.2 VDC
4 mA at
68.4 VDC
3 mA at
53.8 VAC
7 µA (at V
in
≤
12 VDC)
10 µA (at V
in
≤
12 VDC)
10 µA (at V
in
≤
60 VDC)
10 µA (at V
in
≤
60 VAC)
17 ms (fixed)