Table Of Contents; General Meter Specifications; Electromagnetic Compatibility - Omega Engineering PTC900 User Manual

Panel-mount programmable timer and real-time clock
Table of Contents

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T
O
C
ABLE
F

General Meter Specifications. . . . . . . . . . . . . 4

Installing The Meter . . . . . . . . . . . . . . . . . . . . 6
Setting The Jumpers . . . . . . . . . . . . . . . . . . . 6
Installing Plug-In Cards . . . . . . . . . . . . . . . . . 7
G
M
ENERAL
1.
DISPLAY: 6 digit, 0.56" (14.2 mm) red sunlight readable or standard green
LED
2. POWER:
AC Versions (PTC901, PTC900):
AC Power: 85 to 250 VAC, 50/60 Hz, 18 VA
Isolation: 2300 Vrms for 1 min. to all inputs and outputs. (300 V working)
DC Versions (PTC901-LV, PTC900-LV):
DC Power: 11 to 36 VDC, 14 W
(Derate operating temperature to 40°C if operating <15 VDC and three
Plug-in cards are installed)
AC Power: 24 VAC, ± 10%, 50/60 Hz, 15 VA
Isolation: 500 Vrms for 1 min. to all inputs and outputs (50 V working)
3. SENSOR POWER: 12 VDC, ±10%, 100 mA max. Short circuit protected.
4. ANNUNCIATORS:
TMR -
Timer Display
CNT -
Cycle Counter Display
DAT -
Real-Time Clock Date Display
-
Real-Time Clock Time Display
5. KEYPAD: 3 programmable function keys, 5 keys total.
6. TIMER DISPLAY:
Timer Range: 23 Selectable Ranges
Timing Accuracy: ± 0.01%
Minimum Digit Resolution: 0.001 Sec.
Maximum Least Significant Digit Resolution: 1 Hr.
Maximum Display: 999999
7. CYCLE COUNTER DISPLAY:
Counter Range: 0 to 999999
Digit Resolution: 1 cycle
Maximum Count Rate: 50 Hz
8. REAL-TIME/DATE DISPLAY (PTC901):
Real-Time Display: 5 display formats
Hr/Min/Sec (12 or 24 Hr. format); Hr/Min (24 Hr.); Hr/Min (12 Hr. with
or without AM/PM indication)
Date Display: 7 display formats
Month/Day or Day/Month (numeric or 3-letter Month format);
Month/Day/Year or Day/Month/Year (all numeric);
Day of Week/Day (3-letter Day of Week format)
9. REAL-TIME CLOCK CARD: Field replaceable plug-in card
Time Accuracy: ± 5 secs./Month (1 min./year) with end-user calibration
Battery: Lithium 2025 coin cell
Battery Life Expectancy: 10 yrs. typical
Synchronization Interface: Two-wire multi-drop network (RS485 hardware),
32 units max., operates up to 4000 ft.
Isolation To Timer & User Input Commons: 500 Vrms for 1 min.
Working Voltage: 50 V. Not isolated from all other commons.
10. TIMER INPUTS A and B:
Logic inputs configurable as Current Sinking (active low) or Current
Sourcing (active high) via a single plug jumper.
Current Sinking (active low): V
Current Sourcing (active high): V
Continuous Input: 30 VDC.
Timer Input Pulse Width: 1 msec min.
Timer Start/Stop Response Time: 1 msec max.
Filter: Software filtering provided for switch contact debounce. Filter
enabled or disabled through programming.
If enabled, filter results in 50 msec start/stop response time for successive
pulses on the same input terminal.
ONTENTS
S
ETER
PECIFICATIONS
SP1 -
Setpoint 1 Output
SP2 -
Setpoint 2 Output
SP3 -
Setpoint 3 Output
SP4 -
Setpoint 4 Output
= 0.9 V max., 22KΩ pull-up to +12 VDC.
IL
= 3.6 V min., 22KΩ pull-down, Max.
IH
Wiring The Meter . . . . . . . . . . . . . . . . . . . . . . 7
Programming The Meter. . . . . . . . . . . . . . . . 11
Factory Service Operations . . . . . . . . . . . . . 26
Programming Overview. . . . . . . . . . . . . . . . 29
11. USER INPUTS: Three programmable user inputs
Logic inputs configurable as Current Sinking (active low) or Current
Sourcing (active high) through a single plug jumper.
Current Sinking (active low): V
Current Sourcing (active high): V
Continuous Input: 30 VDC.
Isolation To Timer Input Common: Not isolated
Response Time: 10 msec
12. MEMORY: Non-volatile E
display values.
13. ENVIRONMENTAL CONDITIONS:
Operating Temperature Range: 0 to 50°C (0 to 45°C with all three plug-in
cards installed)
Storage Temperature Range: -40 to 60°C
Operating and Storage Humidity: 0 to 85% max. RH non-condensing
Vibration According to IEC 68-2-6: Operational 5 to 150 Hz, in X, Y, Z
direction for 1.5 hours, 2 g's.
Shock According to IEC 68-2-27: Operational 25 g (10g relay), 11 msec in 3
directions.
Altitude: Up to 2000 meters
14. CERTIFICATIONS AND COMPLIANCE:
SAFETY
UL Recognized Component, File # E313607, UL61010A-1, CSA C22.2
No. 61010-1
Recognized to U.S. and Canadian requirements under the Component
Recognition Program of Underwriters Laboratories, Inc.
UL Listed, File # E313547, UL508, CSA C22.2 No. 14-M95
LISTED by Und. Lab. Inc. to U.S and Canadian safety standards
Type 4X Enclosure rating (Face only), UL50
IEC 61010-1, EN 61010-1: Safety requirements for electrical
equipment for measurement, control, and laboratory use, Part 1.
IP65 Enclosure rating (face only), IEC 529
IP20 Enclosure rating (rear of unit), IEC 529

ELECTROMAGNETIC COMPATIBILITY

Immunity to EN 50082-2
Electrostatic discharge
Electromagnetic RF fields
Fast transients (burst)
RF conducted interference
Emissions to EN 50081-1
RF interference
Note:
Refer to the EMC Installation Guidelines section for more information.
15. CONNECTIONS: High compression, cage-clamp terminal block
Wire Strip Length: 0.3" (7.5 mm)
Wire Gage: 30-14 AWG copper wire
Torque: 4.5 inch-lbs (0.51 N-m) max.
16. CONSTRUCTION: This meter is rated for NEMA 4X/IP65 outoor use.
IP20 Touch safe. Installation Category II, Pollution Degree 2. One piece
bezel/case. Flame resistant. Synthetic rubber keypad. Panel gasket and
mounting clip included.
17. WEIGHT: 10.1 oz. (286 g)
4
= 0.9 V max., 22KΩ pull-up to +12 VDC.
IL
= 3.6 V min., 22KΩ pull-down, Max.
IH
2
PROM retains all programming parameters and
EN 61000-4-2
Level 3; 8 Kv air
EN 61000-4-3
Level 3; 10 V/m
80 MHz - 1 GHz
EN 61000-4-4
Level 4; 2 Kv I/O
Level 3; 2 Kv power
EN 61000-4-6
Level 3; 10 V/rms
150 KHz - 80 MHz
EN 55022
Enclosure class B
Power mains class B

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