Interlock Relay(s)
This feature allows a process to use a very low voltage input signal(s) or simple switch contact(s) to force closed N/O contacts of assigned internal relay(s) to “open” when an external switch contact (or any part of the circuit) is opened. One input can be used in series with a number of interlock switches, or up to eight inputs can be required to force-on one (or more) internal interlock relays. Please see Application Note AN-1007 on our web site for more information. Requires PDA1044 Digital I/O module.
Analog Output
The isolated analog retransmission signal can be configured to represent the measured temperature, maximum or minimum temperature, or any of the eight relay set points. While the output is nominally 4-20 mA, the signal will accurately accommodate under- and over-ranges from 1 to 23 mA. A power supply (24 V @ 40 mA) is standard with the 4-20 mA output option.
CONNECTIONS
MOUNTING DIMENSIONS
Notes:
1. Panel cutout required: 1.772" x 3.622" (45mm x 92mm)
2. Panel thickness: 0.040 - 0.250" (1.0mm - 6.4mm)
3. Mounting brackets lock in place for easy mounting
4. Clearance: Allow 6" (152 mm) behind the panel.
SPECIFICATIONS
Except where noted all specifications apply to operation at +25°C.
General
Display: Main display: 0.60" (15 mm) high red LEDs; second display: 0.46" (12 mm) high red LEDs. Both displays have six-characters with leading zero blanking. Temperature value is four or five-digit F/C, based on configuration.
Resolution: 1 or 0.1 for up to 9999 or 9999.9
Display Intensity: Eight intensity levels
Display Update Rate: 5/second (200 ms)
Front Panel: NEMA 4X, IP65
Programming Methods: Four front panel buttons, digital inputs, PC and MeterView Pro S/W, Modbus registers, or cloning using Copy function.
Noise filter: Programmable from 2 to 199 (0 will disable filter)
Filter Bypass: Programmable from 0.1 to 99.9% of span
Recalibration: Calibrated at the factory. Recalibration is recommended at least every 12 months.
Max/Min Display: Max / min temperature readings are stored until reset by the user or until power to the meter is turned off.
Password: Three programmable passwords restrict modification of programmed settings. Pass 1: Allows use of the F1–F3 function keys. Pass 2: Allows use of the F1–F3 function keys and changing the set/reset points. Pass 3: Restricts all programming and F1–F3 keys.
Non-Volatile Memory: All programmed settings are stored in non-volatile memory for a minimum of ten years if power is lost.
Power Options: 85-265 VAC 50/60 Hz, 90-265 VDC 20 W max, or jumper selectable 12/24 VDC ±10%, 15 W max.
Fuse: Required external fuse: UL Recognized, 5 A max, slow blow; up to 6 meters may share one 5 A fuse.
Normal Mode Rejection: Greater than 65 dB at 50/60 Hz
Isolation: 4 kV input/output-to-power line. 500 V input-to-output
Environmental: Operating temperature range: -20 to 65°C. Storage temperature range: -40 to 85°C. Relative humidity: 0 to 90% non-condensing.
Connections: Removable screw terminal blocks accept 12 to 22 AWG wire, RJ45 for external relays, digital I/O, and serial communication adapters.
Enclosure: 1/8 DIN, high impact plastic, UL 94V-0, color: black
Mounting: 1/8 DIN panel cutout required: 3.622" x 1.772" (92 mm x 45 mm). Two panel mounting bracket assemblies are provided.
Tightening Torque: Screw terminal connectors: 5 lb-in (0.56 Nm)
Overall Dimensions: 4.68" x 2.45" x 5.64" (119 mm x 62 mm x 143 mm) (W x H x D)
Weight: 9.5 oz (269 g)
UL File Number: UL & c-UL Listed. E160849; 508 Industrial Control Equipment.
Warranty: 3 years parts & labor
Temperature Input
Inputs: Thermocouple J, K, T, E, R, S, B, N, C; RTD 100 Ω platinum (0.00385 & 0.00392 curves), 10 Ω copper, 120 Ω nickel, 1000 Ω platinum
Input Impedance: Greater than 100 k Ω
Offset Adjust: User programmable offset adjust ±199.9 degrees
Temperature Drift:±2°C maximum from 0 to 65°C ambient temperature; ±4°C maximum from -20 to 0°C ambient temperature
Sensor Break: Display flashes “Open”, relays can be programmed to go “On”, “Off”, or to “Ignore” (detected as an upscale condition).
Averaging: Up to 10 RTDs connected in parallel can be averaged.
Accuracy & Range: See table below.
| Type |
Range (°F) |
Range (°C) |
Accuracy |
| J |
-200° to 2000° |
-129° to 1093° |
±1°C |
| K |
-200° to 2400° |
-129° to 1316° |
±1°C |
| T |
-200° to 752° |
-129° to 400° |
±1°C |
| E |
-200° to 1800° |
-129° to 982° |
±1°C |
| R |
-50° to 3000° |
-46° to 1649° |
±2°C |
| S |
-50° to 3000° |
-46° to 1649° |
±2°C |
| B |
752° to 3300° |
400° to 1816° |
±2°C |
| N |
-100° to 2300° |
-73° to 1260° |
±2°C |
| C |
32° to 4100° |
0° to 2260° |
±2°C |
| 10 Ω |
-328° to 500° |
-200° to 260° |
±0.1°C |
| 100 Ω |
-328° to 1382° |
-200° to 850° |
±0.4°C |
| 120 Ω |
-110° to 500° |
-79° to 260° |
±0.1°C |
| 1000 Ω |
-328° to 900° |
-200° to 482° |
±0.4°C |
Relays
Rating: 2 or 4 SPDT (Form C) internal and/or 4 SPST (Form A) external; rated 3 A @ 30 VDC and 125/250 VAC resistive load; 1/14 HP (≈ 50 watts) @ 125/250 VAC for inductive loads such as contactors, solenoids, etc.
Noise Suppression: Noise suppression is recommended for each relay contact switching inductive loads.
Deadband: 0-100% of span, user programmable
High or Low Alarm: User may program any alarm for high or low trip point. Unused alarm LEDs and relays may be disabled (turned off).Relay Operation: automatic (non-latching) or latching (requires manual acknowledge)
Time Delay: 0 to 999.9 seconds, on & off relay time delays. Programmable and independent for each relay.
Fail-Safe Operation: Programmable and independent for each relay. Note: Relay coil is energized in non-alarm condition. In case of power failure, relay will go to alarm state.
Auto Initialization: When power is applied to the meter, relays will reflect the state of the input to the meter.
Isolated 4-20 mA Transmitter Output
Output Source: measured temperature, maximum temperature, minimum temperature, set points 1-8, or manual control mode
Scaling Range: 1.000 to 23.000 mA for any display range
Calibration: Factory calibrated 4-20 mA output
Accuracy: ± 0.1% of span ± 0.004 mA
Temperature Drift: 0.005% of calibrated span/°C max from 0 to 65°C ambient, 0.01% of calibrated span/°C max from -20 to 0°C ambient Note: Analog output drift is separate from input drift.
Isolated Transmitter Power Supply: Terminals I+ & R: 24 VDC ± 10% @ 40 mA maximum, may be used to power the 4-20 mA output or other devices. Present on both AC & DC powered units.
External Loop Power Supply: 35 VDC maximum
Output Loop Resistance:
| Power supply |
Minimum |
Maximum |
| 24 VDC |
10 Ω |
700 Ω |
| 35 VDC (external) |
100 Ω |
1200 Ω |
Serial Communications
Protocol: Modbus® RTU
Meter Address/Slave ID: 1 - 247
Baud Rate: 300 - 19,200 bps
Transmit Time Delay: Programmable between 0 and 199 ms or transmitter always on for RS-422 communication
Data: 8 bit (1 start bit, 1 or 2 stop bits)
Parity: Even, odd, or none with 1 or 2 stop bits
Byte-to-Byte Timeout: 0.01 - 2.54 second
Digital I/O Expansion Module
Channels: 4 digital inputs & 4 digital outputs per module
System: Up to 2 modules for a total of 8 inputs & 8 outputs
Digital Input Logic: High: 3 to 5 VDC Low: 0 to 1.25 VDC
Digital Output Logic: High: 4.75 to 5 VDC Low: 0 to 0.4 VDC
Source Current: 10 mA maximum
Sink Current: 1.5 mA minimum
+5 V Terminal: To be used as pull-up for digital inputs only.
4-Relay Expansion Module
Relays: Four Form A (SPST) rated 3 A @ 30 VDC and 125/250 VAC resistive load; 1/14 HP (≈ 50 watts) @ 125/250 VAC for inductive loads.
Add functionality to the P
Relay Outputs
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