Heinrichs Messtechnik GmbH
Page 44 of 122
OPERATING MANUAL TMU / UMC3
The output terminals
For connection in explosive environments, the output signals of the UMC3 are available in various-protection
classes. The designations of the terminals varies depending on the ordered protection class and can be taken
from the following table:
Terminal Designation of the Signal Outputs
Designation
Terminal designation
and (Polarity)
Type of protection
Ex-device
Standard
device
Ex ia
Ex-eb
(Non-Ex)
Current 1, 4 to 20mA with
HART
®
11(-) and 12(+)
x
x
41(-) and 42(+)
x
Current 1, 4 to 20mA
(See Table 13Fehler!
Verweisquelle konnte nicht
gefunden werden. for
Alternatives)
13(-) and 14(+)
x
x
43(-) and 44(+)
x
Binary output 1
(passive pulse)
16(-) and 17(+)
x
x
46(-) and 47(+)
x
Binary output 1
(aktive pulse)
15(-) and 18(+)
x
45(-) and 48(+)
x
Binary output 2 (Status or
2. Passive pulse outputs)
19(-) and 20(+)
x
x
49(-) and 50(+)
x
Option: Binary output 3
(Status for Custody transfer)
33(-) and 34(+)
x
x
53(-) and 54(+)
x
Option Profibus PA
39 (A) and 40 (B)
x
Control unit BE (connector)
Shield, -, +
x
x
Table 12: Signal Output Terminals Designation
