Siemens SIMATIC ET 200SP Equipment Manual page 13

Wiring
3.1 Wiring and block diagram
Wiring: 2-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 B1.
① 2-wire connection
② Backplane bus interface
③ Polarity reversal protection
④ Color-coded label with color code CC40
(optional)
RQ + RQ - Channel n
n , n
RES Reserve, must remain unused for future
function extensions
1L, 2L 24 V DC supply voltage
Figure 3-2 Wiring and block diagram for 2-wire connection of actuators
12
1M, 2M
DIAG
MA .0 .. .3
.0, .1, .2, .3
PWR
P1, P2, AUX
Digital output module RQ 4x120VDC-230VAC/5A NO MA ST (6ES7132-6MD00-0BB1)
Ground
Diagnostics LED (green, red)
LED MANUAL ON and automatic
Channel status LED (green)
Power LED (green)
Internal self-assembling voltage buses
Connection to left (dark-colored BaseUnit)
Equipment Manual, , A5E36107692-AB