TESTO 6681 Instruction Manual page 22

testo 6681
22
1.3.2.2
1
Feed cable with voltage supply and analog signal lines through opened
M 16 x 1.5 screw connection (item (8) in Overview of terminals,
chapter 1.3.2.1).
2
Strip the cable ends, clamp wire end ferrules on and screw down onto
voltage terminals.
3 Close M 16 x 1.5 screw connection (item (8) in Overview of terminals,
chapter 1.3.2.1).
Wiring diagram for 2-wire system (4 - 20 mA)
18 to 24
VDC
0 V
- 1.3 Commissioning
Connecting voltage supply and analog outputs
Terminal strip for voltage supply and
analog outputs, item (5) of Overview
of terminals, chapter 1.3.2.1.
2 or 3 channels
4 to 20 mA, max. load 100 to 750 Ω (at 24 V)