7 Installation
18
Connection
✱
Unscrew the housing cover
➩
"Unscrewing the bezel ring or housing cover", page 41.
✱
Insert the cable through the cable gland.
✱
Make the connection according to the connection diagram.
✱
Close the housing cover.
Connection Terminals
Screw terminals Assignment
Supply
11.5 — 36 V DC
11.5 — 30 V DC for
intrinsically safe version
1 L+
2 L-
1 L+
2 L-
Output
4 — 20 mA 2-wire
proportional current 4 to 20 mA in supply
1 L+
2 L-
1 L+
2 L-
Test connection for current output
internal resistance of ammeter
≤
10
Ω
TEST +
TEST -
Test connection for HART
®
burden must be present!
TEST +
HART
®
Potential equalization
(with intrinsically safe circuit)
Shield 8
1
+
+
2
-
-
HARTTEST
-
+
Supply
voltage
11.5—36 VDC
Burden
1
1
Burden ≤ (U
B
- 11.5 V) / 0.022 A
Burden with HART
®
min. 250 Ω, max. 1100
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