Measurement Technology NW
LCI-90 Operator Manual
Page 65
LCI-90
DIGITAL I/O – ALARMS
Std/Option
Channels
Four total, input and output, menu configurable
Std
Type
TTL
Std
Fused output module: dry contact, 0.5 A max, 3-60 VDC
01
Fused output module: solid state, 3.5 A max, 3-60 VDC
02
Fused input module: 3-32 VDC
03
Fused input module: 90 to 140 VAC
04
LCI-90
SERIAL COMMUNICATION
Std/Option
Type
Network Port, RS-232, non-isolated
10
Network Port, RS-485, 2 wire, isolated
11
Auxiliary Port, RS-232, non-isolated
12
Baud Rate
Network Port 19200, Aux Port 4800 to 19200
Std
Protection
RS-485 option, 2500 V rms
11
LCI-90
ANALOG SENSOR INPUT
Std/Option
Type
4 to 20 mA, non-isolated, 2,3 and 4 wire
Std
0-5 VDC, non-isolated
Std
0-10 VDC, non-isolated
20
4 to 20 mA, isolated, 2, 3 and 4 wire
21
0-10 VDC, isolated
22
4 Wire Strain Gauge, load range 10 k
to 300
23
Channels
Four channels total
Std
Protection
16 V peak DC
Std, 20
1500 V rms
21 – 23
Impedance
Non isolated 4 to 20 mA input: 250 V
Std
Non isolated VDC input: 100,000
Ω
Std
Resolution
12 bits (1/4096)
Std
Accuracy
Base unit: 0.05%
Std
Optional isolated input modules: 0.05%-0.08%
21 – 23
Scan Rate
1.5 Hz (typical) with 10 times over-sampling
Std
Excitation
12 VDC, 250 mA (total for device)
Std
5 VDC, 250 mA (total for device)
Std