Siemens SIMATIC ET 200SP Equipment Manual page 12

Wiring: 3-wire connection of actuators
The following figure shows the block diagram and an example of the terminal assignment of
the digital output module RQ 4x120VDC-230VAC/5A NO MA ST on the BaseUnit BU type B0.
① 3-wire connection
② Backplane bus interface
③ Polarity reversal protection
④ Color-coded label with color codes CC40 and
CC83 (optional)
RQ + RQ - Channel n
n , n
P1, P2, AUX Internal self-assembling voltage buses
Connection to left (dark-colored BaseUnit)
Figure 3-1 Wiring and block diagram for 3-wire connection of actuators
Digital output module RQ 4x120VDC-230VAC/5A NO MA ST (6ES7132-6MD00-0BB1)
Equipment Manual, , A5E36107692-AB
3.1 Wiring and block diagram
RES Reserve, must remain unused for future
function extensions
1A to 4A AUX terminals
DIAG Diagnostics LED (green, red)
MA .0 .. .3 LED MANUAL ON and automatic
.0, .1, .2, .3 Channel status LED (green)
PWR Power LED (green)
Wiring
11