Vaisala GMP231 Bedienungsanleitung PDF herunterladen (Seite 2)

Wiring

GMP231 Connector Pinout

Male 8-pin M12 Pin # Function Note

1 I

C SDA Three-wire 5 V I

C (pins 1, 3, and 8).

2 RS-485 D- RS-485 default setting: 19200, 8, N, 1.

3 I

C SCL

4 Analog output + 0 ... 20 mA or 4 ... 20 mA output.

5 Standby Ground this pin to turn o measurement.

6 RS-485 D+

7 Power supply + 11 ... 30 VDC, max. 1 W (pulsed).

8 Ground

- Shield Connect shield on both ends of cable.

Ref. M211603EN-B

Vaisala Oyj

Vanha Nurmijärventie 21

FI-01670 Vantaa, Finland

*M211603EN*

www.vaisala.com/gmp231



Cable DRW240977

Female 8-pin M12 Pin # Function Open ended wires (no connector)

1 I

C SDA

White

2 RS-485 D-

Brown

3 I

C SCL

Green

4 Analog output +

Yellow

5 Standby

Grey

6 RS-485 D+

Pink

7 Power supply +

Blue

8 Ground

Red

- Shield

Black

GMP231 is designed to remain installed during typical heat sterilization cycles (maximum temperature inside

chamber 195 °C / 383 °F). To achieve this, you must install and operate the probe correctly:

• Only the sensor should be exposed to heat. The lter must be completely in the heated chamber, but

the probe must remain inside the unheated chamber wall. The probe body must not extend more than

5 mm into the chamber.

• During the sterilization cycle, you must turn o the CO

measurement, or power o the probe

completely.

• The installation tube must be sealed from the chamber side to limit heat conduction, and to prevent

in the chamber from entering the probe. Vaisala recommends a 44 mm diameter installation tube

together with Vaisala’s silicone plug.

For more information, download the complete GMP231 User’s Guide (document code M211501EN) from

www.vaisala.com/gmp231.

Important - Read Before Installation

1 2

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