Category
Specification
•
Power supply current limiter
◦
24 V: 4 A minimum
◦
12 V: 8 A minimum
•
Battery: No limit
Relay outputs
Relay type: Solid state
Electrical rating and UL/cUL Listed: 30 V DC and 1 A, resistive
Voltage withstand: ±36 V DC
Terminal connections
Frame ground and power supply
: Terminals: Standard 45° plug, 2.5 mm
2
Wiring: 1.5 to 2.5 mm
2
(16 to 12 AWG), multi-stranded
Other connections
: Terminals: Standard 45° plug, 2.5 mm
2
Wiring: 0.5 to 2.5 mm
2
(22 to 12 AWG), multi-stranded
Communication
connections
DEIF internal communication: RJ45. Use an Ethernet cable that meets or exceeds the SF/UTP
CAT5e specifications.
Torques and terminals
Module faceplate screws: 0.5 N·m (4.4 lb-in)
Connection of wiring to terminals: 0.5 N·m (4.4 lb-in)
UL/cUL Listed: Wiring must be minimum 90 °C (194 °F) copper conductors only.
Galvanic isolation
Between power supply and other I/Os: 600 V, 50 Hz for 60 s
Between relay groups and other I/Os: 600 V, 50 Hz for 60 s
Between internal communication ports and other I/Os: 600 V, 50 Hz for 60 s
Ingress protection
Unmounted: No protection rating
Mounted in rack: IP20 according to IEC/EN 60529
Size
L 43.3 mm × H 162 mm × D 150 mm (1.5 in × 6.4 in × 5.9 in)
Weight
331 g (0.7 lb)
13.3.2 PSM3.1 terminal overview
Terminal
Symbol
Name
Type
F/G
F/G
Ground
1
+
-
+
12 or 24 V DC (nominal)
2
-
0 V DC
3
Normally open
Relay output (30 V DC and 1 A)
4
Common
5
Normally open
6
Common
7
Normally open
8
Common
Table 13.8
PSM3.1 Internal communication connections
Connection
Symbol Name
Type
Bottom of rack, front
Internal communication input connection to connect an
extension unit.
Internal communication input
Bottom of rack, back
Internal communication output connection to connect an
extension unit.
Internal communication output
DESIGNER'S HANDBOOK 4189340911K UK
Page 424 of 521
