Data Sheet

Mechanical Display Type 7E.12, 7E.13, 7E.16, 7E.36
LED indication (Normal operation)
Type
Energy consumption
Pulses
per kWh
Pulse
space
The LED Pulse rate represents the
instantaneous power being consumed,
according to the following
None Low High
7E.12
7E.13
2000 100ms kW = (number of pulse per Minute) / 33.3
7E.16
1000 100ms kW = (number of pulse per Minute) / 16.7
7E.36
100 150ms kW = (number of pulse per Minute) / 1.7
LED indication (Abnormal operation)
Status indicates errors of installation, as below
Type 7E.12, 7E.13, 7E.16
Device ON, incorrect connection (L-N inverted).
Mark=600ms, Space=600ms
Type 7E.36
Mark=100 ms,
Phase L1↑ L1↓ inverted
or loss
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
Phase L1↑ L1↓ and L2↑ L2↓
inverted or loss
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
Phase L2↑ L2↓ inverted
or loss
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
Phase L1↑ L1↓ and L3↑ L3↓
inverted or loss
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
Phase L3↑ L3↓ inverted
or loss
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
Phase L2↑L2↓ and L3↑L3↓
inverted or loss
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
Phase L1↑L1↓ and L2↑L2↓
and L3↑L3↓ inverted or
loss
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
3 s
↑
↑
SO+/SO– Open collector output wiring diagram Type 7E.12, 7E.13, 7E.16, 7E.36
The pulsating open collector output available at terminals SO+ and SO– can be interfaced with the input of a computer, plc or other energy
management equipment to allow the remote monitoring of energy consumed.
24VDC
+
–
Energy meters – at difference locations
(Note: Both Single and Dual tariff meters
provide only a single pulsating output)
Central monitoring/management system
(max. 20mA for each input)
SO-Output Type 7E.12, 7E.13, 7E.16 SO-Output Type 7E.36
SO+/SO– Open
collector output
SO+/SO– Open
collector output
V-2018, www.findernet.com
14
E
7E SERIES
Energy meters
7E
SERIES