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12 -
ATR121/141 - User manual
Serial input
11
7
6
-
+
Shield/Schermo
RS485
RS485 Modbus RTu communication
Do not use LT (line termination)
resistors
• For networks with more than five
instruments supply in low voltage
Relay outputs
7
6
5
4
Q1
Q2
3
Capacity:
•
Q1
(
ATR121/141 A-B-c
): 8A, 250Vac,
resistive loads, 10
5
operations
•
Q1
(
ATR121/141 AD/ADT
): 10A, 250Vac,
resistive loads, 10
5
operations
•
Q2
(
not on ATR121/141 ADT)
: 5A, 250Vac,
resistive loads, 10
5
operations
SSR output
SSR
8
9
SSR command output 12V/30mA
Versions AD / ADT: 12..24Vdc / 30mA
Versions A-B-C: 8Vdc / 20 mA
Summary of Contents for ATR 121
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