Weidmuller ACT20X - Manual (Page 30)

Product Installation / Operation, ACT20X-HTI-SAO (Temperature/mA Converter)
30 1066540000/01/12.11
7.2.3 Electrical Connections
Function
RTD Terminal
mA
2W 3W 4W
TC
Connector Terminal Function Connector
11 Sense– Sense– + 41 Out 
12 – R R– R– – 42 Out +
output
channel 1
13 + R R+ R+ 43 Out 
14 Sense+
Ex input
channel 1
44 Out +
output
channel 2
21 Sense– Sense– + 51 GND
22 – R R– R– – 52 +24 V DC
power
supply
23 + R R+ R+ 53 NC
24 Sense+
Ex input
channel 2
54 COM
status
relay
Table 7-4: Electrical Connections
7.2.4 Specifications
Features
 Configuration and monitoring are performed via FDT/DTM Software "WI-Manager".
 The device can be mounted in the safe area and in Zone 2 / Division 2 and receive signals from Zone 0, 1,
2, 20, 21 and 22, as well as Class I/II/III, Division 1, Group A-G.
 The passive signal inputs for RTD, TC and mA are made for one or two channels and completely
electrically isolated.
 The two-channel version is suitable to use as a signal splitter.
 3-way galvanic isolation between input, output and supply.
 Front LEDs indicate operation status and malfunction.
 The cold junction compensation for TC-signal inputs is either the internal cold junction compensation, or for
higher accuracy is an external cold junction compensation terminal available –- 1 channel 1160640000
ACT20X-CJC-HTI-S PRT 11 or 2 channel 1160650000 ACT20X-CJC-HTI-S PRT 21.
 Extended self diagnostic: Monitoring of error events and cable breakage via the individual status relay.