Dwyer DH3 - Manual (Page 5)

WIRING
The DH 3 uses a standard 15 pin male high density D-Sub connector available from
most electronic distributors. A pre-wired 18˝ cable is included with each unit.
See below table for cable color wiring information.
NOTES:
1. If 12-24 VDC power is used, the polairty is unimportant.
2. Wire in accordance with an equivalent national standard or code. Use copper conduc-
tors only rated for 60°C.
3. All terminals are rated CLASS 2.
4. ISOLATION: All inputs and outputs to each other: 500 VAC.
5. 4-20 mA Transmitter – Check the specifications for the device receiving this signal for
input resistance. Typical 250 to 600 OHMS, 600 OHMS maximum.
5
Function
12-24 VAC/VDC Power
12-24 VAC/VDC Power
4-20mA XMTR Output -
4-20mA XMTR Output +
SP1 Relay N/O
SP1 Relay Com
SP1 RELAY N/C
SP2 or ALarm Relay N/O
SP2 or ALarm Relay Com
SP2 or ALarm Relay N/C
15 PIN Connector
Terminal
1
6
2
11
12
13
14
15
10
5 Cable Color
Brown
Yellow
Black
Red
Vilolet
Grey
White
Blue
Green
Orange