Category
Specification
Frequency measurement
Accuracy:
•
Within operating range; > 0.1 A: ±0.1 % of actual frequency
Temperature
Current measurement accuracy temperature coefficient:
±0.25 %, or ±2.5 mA per 10 °C (18 °F) outside reference range (whichever is greater)
Torques and terminals
Module faceplate screws: 0.5 N·m (4.4 lb-in)
Secure the current measurement terminal block to the module faceplate: 0.25 N·m (2.2 lb-in)
Connection of wiring to terminals:
≤ 4 mm
2
: 0.5 N·m (4.4 lb-in) to 0.6 N·m (5.3 lb-in)
> 4 mm
2
: 0.7 N·m (6.2 lb-in) to 0.8 N·m (7.1 lb-in)
UL/cUL Listed: Wiring must be minimum 90 °C (194 °F) copper conductors only
Terminal connections
AC current terminals: Standard 0º plugs, 6 mm
2
with securing screws.
Wiring: 2.5 to 6 mm
2
(13 to 10 AWG), multi-stranded
Galvanic isolation
Between AC current and other I/Os: 2210 V, 50 Hz for 60 s
Ingress protection
Unmounted: No protection rating
Mounted in rack: IP20 according to IEC/EN 60529
Size
L 28 mm × H 162 mm × D 152 mm (1.1 in × 6.4 in × 5.9 in)
Weight
230 g (0.5 lb) (including terminal blocks)
Accessories (included)
One roundel with 6 encoding pins (for the hardware module and terminal block)
13.6.2 ACM3.2 terminal overview
Terminal
Symbol
Name
Type
1
S1
S2
Current in (European: S1; US:
·
)
Current
1 or 5 A AC (nominal)
2
Current out (European: S2)
3
S1
S2
Current in (European: S1; US:
·
)
Current
1 or 5 A AC (nominal)
4
Current out (European: S2)
5
S1
S2
Current in (European: S1; US:
·
)
Current
1 or 5 A AC (nominal)
6
Current out (European: S2)
7
S1
S2
Current in (European: S1; US:
·
)
Current
1 or 5 A AC (nominal)
8
Current out (European: S2)
9
S1
S2
Current in (European: S1; US:
·
)
Current
1 or 5 A AC (nominal)
10
Current out (European: S2)
11
S1
S2
Current in (European: S1; US:
·
)
Current
1 or 5 A AC (nominal)
12
Current out (European: S2)
DANGER!
The current measurement terminal block MUST always be screwed onto the module. Do not connect or disconnect any
current transformer (CT) while there is current in the line.
DESIGNER'S HANDBOOK 4189340911K UK
Page 436 of 521
