Dwyer Instruments Series SPPM-C Installation and Operating Instructions

Series SPPM-C Smart Programmable Panel Meters

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Specications - Installation and Operating Instructions

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The SERIES SPPM-C Smart Programmable Panel Meter is a congurable, full-color display that can be used in a variety of applications. Utilizing a USB connection, the panel meter can be congured with downloadable software, using any computer running Windows® based software. Available with a 2.4˝, 2.8˝ or 3.5˝ screen that features remarkable graphics which can easily be customized to read and/or graph pressure, temperature, humidity, gas concentration, or many other parameters. A single 0 to 50 mA current input is used to feed the display. The Series SPPM-C includes a gasket and mounting clip for quick installation into a panel.

Figure 1

DWYER INSTRUMENTS, INC.

SPECIFICATIONS Inputs: 0 to 50 mA, scalable (factory set from 4 to 20 mA). Accuracy: 0.1%. Resolution: 0.3 to 9.8 mV (depending on input range). Power Supply: 4 to 30 VDC. Current Consumption: 190 mA max. Display: 2.4˝, 2.8˝ or 3.5˝ TFT full-color screen. Display Resolution: 320 x 240 pixels. Sampling Rate: 3 samples/second. Operating Temperature: 32 to 104°F (0 to 40°C). Mounting: Panel mount. Connection: Screw terminals, pin connection, or USB. Computer Requirements: Compatible with Windows

Windows Weight: SPPM-24-C: 3.2 oz (90.7 g); SPPM-28-C: 4 oz (113.4 g); SPPM-35-C: 5.1 oz (144.6 g).

Approvals: CE, RoHS.

Mounting

1. Punch out a rectangular hole in the panel or enclosure. SPPM-24 Panel Cut-out:

2. Place the gasket around the bezel of the display.

3. Slide the display through the front hole in the panel or enclosure.

4. Attach the mounting clip from the rear as shown in Figure 1.

10.

2.91 x 1.81˝ (74 x 46 mm). SPPM-28 Panel Cut-out: 3.43 x 2.15˝ (87 x 54.5 mm). SPPM-35 Panel Cut-out: 3.62 x 2.91˝ (92 x 74 mm).

Windows

is a registered trademark of Microsoft Corporation.

7, Windows® 8, and

Wiring

DAC1 SPI-SLCK

IN1

SPI-MOS

IN2

The Series SPPM-C uses a programmable gain amplier (PGA) to offer the highest possible resolution on the meter. The 4 to 20 mA input is restricted to the 0 to 2.5 resolution voltage range.

The input voltage range is decided by the software based on the range the user enters in the scaling section. Software uses the smallest voltage range that accomodates both voltages entered by user.

Downloading Software Customization software is available at www.dwyer-inst.com. To download, follow these instructions:

1. To begin downloading, click “Run” when prompted.

NOTICE

the current loop.

1. NC Do not connect

2. I+ Positive connection from current loop

3. I- Negative connection from current loop

4. V+ Positive power supply connection (4 to 30 VDC)

It and I- share a common ground (ie: not oating or isolated from each other).

Voltage Range (V) Resolution (mV)

0 to 1.25 0 to 2.5 0 to 4 0 to 5 0 to 8 0 to 10 0 to 20 0 to 40

The Series SPPM-C requires a fully oating power supply with respect to the current loop. This supply should be isolated from

0.3

0.6

1.0

1.2

2.0

2.4

4.9

9.8

Table 1

Figure 2

2. When a security warning appears, click “Run” a second time.

3. As soon as the InstallShield Wizard screen appears, follow the on-screen instructions.

Current Consumption

The current consumption of the panel meter is voltage dependent.

Graph 1

USB Connection

A USB cable is required for customization of the Series SPPM. When connected to a PC’s USB port, the display is powered by the PC.

NOTICE

Pin Connection

The DIL IDC socket is an alternative to using the screw terminals. This connection can also be utilized for data busses and alarm outputs. See Figure 3 for the pin layout.

Launch the software before plugging in the smart panel meter.

SPI-MISO I²C-SCL ALM1 0V

SPI-CS2

I²C-SDA

ALM2

V+

Figure 3

4. If a Windows

5. When installation is complete, click “Finish” to quit the installer. The software can now be used by clicking on the new icon on the desktop.

logo testing error appears, click “Continue Anyway” .

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