Analog modules
6.15 Analog IO module SM 334; AI 4/AO 2 x 8/8 Bit; (6ES7334-0CE01-0AA0)
S7-300 Automation System Module data
6-130 Manual, 08/2006, A5E00105505-04
6.15 6.15 Analog IO module SM 334; AI 4/AO 2 x 8/8 Bit;
(6ES7334-0CE01-0AA0)
Order number
6ES7334-0CE01-0AA0
Properties
● 4 inputs in one group and 2 outputs in one group
● Resolution 8 bits
● Measuring method adjustable per channel group
– Voltage
– Current
● Not programmable, measurement and output type defined by hardwiring
● Non-isolated to the backplane bus interface
● Electrically isolated to load voltage
Terminal assignment
The following diagrams show wiring examples.
Note
Note when wiring the SM 334:
• analog ground M
ANA
(terminal 15 or 18) is connected to chassis ground M of the CPU or
interface module IM. Use a cable with a conductor cross-section of at least 1 mm
2
.
The module will shut down if the ground connection between M
ANA
and M is missing.
Inputs are read with 7FFF
H
, and outputs return a value of 0. The module may be
destroyed if operated without ground over a longer period of time.
• the supply voltage for the CPU and/or the interface module (IM) may not be connected
with reversed polarity. Reverse polarity will inevitably lead to the destruction of the
module, because M
ANA
develops an impermissible high potential (+24 V.)
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