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ProScale M150, M250 and all products with General Purpose LCD Digital Displays 28 of 44
24VDC Operation
The 24VDC Digital Displays have some additional functions that are not available on
battery powered displays.
The 24VDC displays are designed to run on DC voltage ONLY.
DO NOT ATTEMPT TO OPERATE THESE DISPLAYS USING AC VOLTAGE
Surface Mount Above,
Panel Mount Right
Limit/Monitor Signal Output
This function is available on 24VDC powered Digital Displays ONLY.
A connector provides a solid-state output (.1A / 30 VDC) that can be configured to
activate on either a position drift (MONitor) condition or a measurement limit (LIMIT)
error. The output can be configured for normally open (N/O, not conducting to ground) or
normally closed (N/C, conducting to ground). Although the Digital Display LCD flashes
when either a position drift (MONitor) condition or a measurement limit (LIMIT)error is
encountered, the output signal only changes state once for out of limit condition and then
toggles back when an in limit condition is restored.
For additional programming information see Limit Mode above and MONitor Mode below.
Caution: These functions are active during Display Programming. If their parameters are
changed during programming the output signal could become active.
(See Programming Parameters 9, 14 and 15. Factory default is MONitor, N/O.)
Backlighting
This function is available on 24VDC powered Digital Displays ONLY.
LCD backlighting can be configured to always remain OFF, to always remain ON or to
come on when any key is pressed and remain on for 3, 7 or 15 seconds.
(See Programming Parameter 22. Factory default is on for 3 seconds.)
12
-
24VDC
COMMON
SIGNAL
SPC
output
Readhead
Input
COMMON
SIGNAL
OUTPUT
SPC output
Readhead Input
12
-
24VDC
- ProScale 1
- Table of Contents 3
- 1 5
- Surface Mount 6
- ¼ DIN Panel Mount 6
- ProScale Terminology 7
- Scales 8
- Incremental Style Pattern 9
- Incremental 9
- Shortening Scales 9
- Readheads 10
- Digital Displays 11
- Product Specifications 12
- 2 P 13
- Installation 14
- Calibration 16
- Maintenance 16
- 3 P 17
- 4 D 21
- Panel Mount Displays 23
- Display Operation 24
- Display Functions 26
- Surface Mount Above 28
- Panel Mount Right 28
- Auxiliary Keypad 29
- Programming 31
- Programming Summary 37
- 5 M 39
- Abbe Error 40
- 6 A 41
- 7 S 42
- EGISTRATION 43
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