TESTO 6681 Profibus, Instruction Manual

Page: 22 / 154

22
testo 6681
- 1.3 Commissioning
1.3.2.2 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 .
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
2 or 3 channels
4 to 20 mA, max. load 100 to 750
Ω
(at 24 V)