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5 POWER DISTRIBUTION MODULES
MELSEC-ST
5 POWER DISTRIBUTION MODULES
5.1 Specifications
(1) Bus refreshing module
Bus refreshing module
Type
Specifications
ST1PSD
Number of occupied slices
1
Number of occupied I/O points
CC-Link: 0 point for each of input and output
PROFIBUS-DP: 2 points for each of input and output
Rated input voltage
24VDC
Rated allowable voltage (24VDC)
24VDC ( 20%, ripple ratio within 5%)
Maximum rated input current
(24VDC)
0.7A
5VDC maximum rated output
current
2.0A
SYS.
Efficiency
80% or more
Rated input voltage
24VDC
Rated allowable voltage (24VDC)
24VDC (+20/-15%, ripple ratio within 5%)
Supplying power to I/O modules
8.0A
AUX.
Maximum rated current (24VDC)
Supplying power to intelligent function modules
3.0A
Dielectric withstand voltage
500VAC 1 min/600VAC 1s across SYS. inputs and AUX. inputs
Operating status
LED indication (at 5VDC output: SYS. turns on,
at AUX. (24VDC) output: AUX. turns on)
Spring clamp type
ST1B-S4P2-H-SET
(ST1B-S4P2-H+ST1B-S4P0) 2-wire type + shield
For powering head module
Screw clamp type
ST1B-S4P2-H-SET
(ST1B-E4P2-H+ST1B-E4P0) 2-wire type + shield
Spring clamp type
ST1B-S4P2-H-SET
(ST1B-S4P2-H+ST1B-S4P0) 2-wire type + shield
Applicable
base
module
For adding bus refreshing module
Screw clamp type
ST1B-S4P2-H-SET
(ST1B-E4P2-H+ST1B-E4P0) 2-wire type + shield
Weight
0.06 kg
External Connections
Terminal
Layout
Terminal
Block No.
Signal Name
ST1B- -4P2-
11 +24V(SYS.)
12 24G(SYS.)
13 Vacancy
14 Shield
21 Vacancy
22 24G(SYS.)
23 Vacancy
24 Shield
ST1B- -4P0
31 Vacancy
32 +24G(AUX.)
33 24V(AUX.)
34 Shield
41 Vacancy
42 24G(AUX.)
43 +24G(AUX.)
+24V
24G
*1
*2
11 +24V(SYS.)
12 24G(SYS.)
Vacancy
24G(SYS.)
13
14
Shield
Vacancy
Vacancy
21
22
23
24
Shield
31
32 24G(AUX.)
33 +24V(AUX.)
24G(AUX.)
+24V(AUX.)
34
Shield
41
42
43
44
Shield
*1
*3
SG
5V
Vacancy
Vacancy
External
SYS. power
supply
*4
External
AUX. power
supply
*4
Base module
ST1B- 4P0
Base module
ST1B-
Bus refreshing module
4P2-
Internal
circuit
*1: Grounded to the DIN rail via the FG
contact of the base module.
*2: The shields of the slice modules are grounded together.
*3: Area where the shield is connected to each slice module.
*4: In order to ensure compliance with UL, make sure to use
the class2 external power supply.
11 21 31 41
12 22 32 42
13 23 33 43
14 24 34 44
ST1B-
ST1B-
4P2-
4P0
44 Shield
5
Summary of Contents for MELESEC-ST
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Page 23: ...A 21 A 21 MEMO...
Page 114: ...10 22 10 22 10 MOUNTING AND INSTALLATION MELSEC ST MEMO...
Page 125: ...11 11 11 11 11 EMC AND LOW VOLTAGE DIRECTIVE MELSEC ST MEMO...
Page 163: ...Index 2 Index 2 MEMO Ind...
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