AMI INSPECTOR pH
Installation
A-96.250.761 / 161017 21
3.6. Relay Contacts
Programming of the relay contacts see 5.3 Relay Contacts, p. 59.
3.6.1 Input
NOTICE: Use only potential-free (dry) contacts.
Terminals 13/14
If signal output is set to hold, measurement is interrupted if input is
active.
For programming see menu 5.3.4, p. 65.
3.6.2 Alarm Relay
NOTICE: For resistive loads only; do not use with capacitive or
inductive loads. Max. load 1 A/250 VAC.
Alarm output for system errors.
Error codes see Error List, p. 42.
Programming see 5.3.1, p. 59
NOTICE: With certain alarms and certain settings of the AMI
transmitter the alarm relay does not switch. The error, however,
is shown on the display.
1) usual use
Terminals Description Relay connection
NC
1)
Normally
Closed
5/4 Active (opened) during normal
operation.
Inactive (closed) on error and
loss of power.
NO
Normally
Open
5/3 Active (closed) during normal
operation.
Inactive (opened) on error and
loss of power.
4
3
5
0V
1)
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