Vaisala device screw terminal pin-outs – Innotech IG04 BACnet Gateway User Manual

Page 10

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Installation Instructions for Innotech IG04 BACnet Gateway and Vaisala Transmitter / Sensor

Page 10

© Mass Electronics Pty Ltd 2011

Edition 5.0 dated 11/11/2013

Table 2: 

Screw Terminal Pin-outs for WXT520 / WMT52

Screw Terminal Pin

RS-485

1 RX-

RX-

2 RX+

RX+

3 TX-

RX-

4 TX+

RX+

5 RXD
6 SGND
7 EXH
8 EXL
9 SIPB
10 SIPA
11 SR-
12 SR+
13 PT-
14 PT+
15 AGND
16 AGND
17 HTG-

Vh- (heating GND)

18 HTG+

Vh+ (heating supply voltage)

19 VIN-

Vin- (operating GND)

20 VIN+

Vin+ (operating supply

voltage)

Exact minimum cable specifications for power supply will vary, and are installation specific. Ensure to select the correct

cable to carry the current load as required.

NOTE NOTE

Vaisala Device Screw Terminal Pin-Outs

Please take extreme care to ensure when installing and wiring that the wire colours and terminals correctly match

as illustrated in

Figure 1

or

Figure 2

, and described below in Table 2. Refer to the appropriate Vaisala technical

documentation for more details at

www.vaisala.com

.

NOTE NOTE

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