Unitronics IO-LC1 Manual page 9

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Output current
Maximum frequency
ON voltage drop
Short circuit protection
Response time
Operating modes
Direct ladder control
Setpoint
Status indicators
(OUT)
Environmental
Operating temperature
Storage temperature
Relative Humidity (RH)
Mechanical
Dimensions (WxHxD)
Weight
Mounting
Notes:
1. The maximum current consumption does not provide for output requirements.
The additional current requirement of the outputs must be added.
2. The minimum settling times and settling time resolutions are: 12.5ms for one active channel, 675ms for two
active channels and 1,012.5ms for three active channels
3. The following connection-problems will cause the corresponding OUT OF RANGE LED to light up:
- Disconnection of one of the signal (±SG) lines
- Disconnection of one or both of the sense (±SN) lines
When the Out Of Range LED is lit, the Out Of Range bit of the corresponding Loadcell Status Message turns
ON, and the Loadcell's Net and Gross values will be set according as follows:
Under-Range: -2
Over-Range: 2
4. When the external power-supply cannot be detected, the No Power Bit in all of the Loadcell Status
Messages turns ON.
5. The input's LED light up only when a communication link is established between module and OPLC.
6. AC excitation has the advantage of lower offset drift errors, improving performance over time and in the
presence of ambient temperature changes. To minimize the impact of offset drift errors in your loadcell
application, the use of AC excitation is recommended.
Unitronics Industrial Automation
I O - L C 1 , I O - L C 3
0.3A maximum per output
20Hz (resistive load)
0.5Hz (inductive load)
0.5V maximum
Yes
10mSec typical
Both outputs can be independently configured, via the software, to operate in
one of the following modes:
The output functions like a standard digital output, and is directly controlled
via ladder software. This is the default mode at power-up.
The output is linked to one of the active Loadcell input values and operates
according to parameters set by the application software.
Red LEDs—Lit when the corresponding output is active.
IP20/NEMA1
0° to 50°C (32 to 122° F)
-20° to 60°C (-4 to 140° F)
5% to 95% (non-condensing)
80mm x 93mm x 60mm (3.15 x 3.66 x 2.362")
170g (6oz)
Either onto a 35mm DIN-rail or screw- mounted.
Normal Resolution
15
= -32,768 = 8000 Hex
15
- 1 = 32,767 = 7FFF Hex
I / O E x p a n s i o n M o d u l e s
High Resolution
23
-2 = -8,388,608 = FF80 0000 Hex
23
2 - 1 = 8,388,607 = 007F FFFF Hex
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