Mitsubishi MELESEC-ST User Manual page 47

5 POWER DISTRIBUTION MODULES
(2) Power feeding module
Specifications
Number of occupied slices
Number of occupied I/O points
Rated input voltage
Rated allowable voltage
5VDC internal current consumption
Maximum rated current (24VDC)
Dielectric withstand voltage
Operating status
Applicable base module
Weight
*1
11
12
External
13
Aux. power
14
*4
21
22
23
*2
24
*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.
5 - 2
Type
Supplying power to I/O modules
Supplying power to intelligent function modules
500VAC 1 min/600VAC 1s across SYS. inputs and AUX. inputs
Spring clamp type
Screw clamp type
External Connections
Base module Power feeding module
24G
*2
+24V
Vacancy
24G(AUX.)
+24V(AUX.)
Shield
Vacancy
24G(AUX.)
+24V(AUX.)
5V
Shield
SG
*3
Power feeding module
ST1PDD
1
CC-Link: 0 point for each of input and output
PROFIBUS-DP: 2 points for each of input and output
24VDC
24VDC (+20/-15%, ripple ratio within 5%)
0.06A
LED indication (at AUX. (24VDC) output: AUX. turns on)
ST1B-S4P2-D 2-wire type + shield
ST1B-S4P2-D 2-wire type + shield
0.03 kg
Terminal
Layout
11
12
13
14
MELSEC-ST
8.0A
3.0A
Terminal
Signal Name
Block No.
11 Vacancy
12 24V(AUX.)
13 +24V(AUX.)
14 Shield
21 Vacancy
21
22 24V(AUX.)
23 +24V(AUX.)
24 Shield
22
23
24
5 - 2
5