Hach-Lange SI628 C - Manual (Page 12)

8
3. Installation
System functions
1, 2 Voltage 230 or 24 VAC ± 10%.
(115 VAC under demand).
3 Ground connections, see Important
notes ( page 9).
4, 5 Current output 4-20 mA (EC).
6, 7 Input for temperature probe.
8 Cell cable shielding.
9 to 12 Input for 2-pole cell.
13, 14 Limit relay contacts.
15, 16 Alarm relay contacts.
DANGER
Always disconnect power to the instrument when making any electrical connections.
3.1.2. Connections
When making any wiring connections to the instrument, any warnings and notes found throughout the
manual must be adhered to. For more safety information see “Safety information” on page 5.
Details
To open the transparent front door, press with two
fingers the part marked with ( ) in the scheme. Cable glands.
On the lower part of the instrument there are 5
cable glands, 2 PG 7 and 3 PG 9.
PG 9 (3 units)
PG 7 (2 units)
DANGER
High-voltage wiring for the instrument is protected by a protective casing. The protective casing
must remain in place unless a qualified installation technician is installing wiring for power.
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