BA-en-4003-2005_TUE30
21
Terracompact II TCO030 terminal assignment
Intrinsically safe terminal block (measurement circuit)
Terminal
Connection - ground contact
7 and 8 (PAL)
9 (ZG2)
10 (Z2-)
11 (Z1+)
12 (ZG1)
Equipotential bonding of the plant (building)
Clamp casing 2 (not assigned if 1 clamp only)
Clamp contact 2
Clamp contact 1
Clamp casing 1
Non-intrinsically safe terminal block (contact circuit indicator
signal)
Terminal
Connection - relay contact
3
4 (NO)
5 (COM)
6 (NC)
not assigned
Make contact
Middle contact
Break contact
Connection - 24 V DC supply
1 (-)
2 (+)
0 V DC
+24 V DC
Fig. 9:
Connecting
the bonding
conductor PAL
Z00
149
y
Terracompact II
1
2
3
4
5
6
–
+
N.O. COM N.C.
24V DC ±10%
7
8
9
10 11 12
PAL
input Ex i
PAL ZG2
Z2
ZG1
Z1
PAL