Electrical Specifications; Input Power Requirement; Electrical Classification; Relay Contact Rating - General Monitors TA102A Instruction Manual

6.5

Electrical Specifications

6.5.1 Input Power Requirement

20 to 35Vdc, (24Vdc @ 250mA, 9W nominal) (300 mA max).
PSU noise and ripple voltage 1.0Vpp max. The customer supplied PSU must comply
with IEC 1010-1, limiting current to 8A under Fault conditions, in order to comply with
CE Marking requirements.
NOTE – GM Smart Sensor has max. supply voltage of 30VDC in order to comply with
Approval requirements.

6.5.2 Electrical Classification

The Model TA102A is designed for use in non-hazardous environments.

6.5.3 Relay Contact Rating

4A @ 30V RMS/42.4V PK, 3A @ 30VDC resistive. DPDT for A1 & A2, SPDT for Fault.

6.5.4 Open Collector Rating

100mA @ 35Vdc for A1, A2, Fault, UA, FUA, CAL-OC, LA1 & LA2.

6.5.5 Cable Parameters

Recommended 3-wire screened or screened and armoured per BS5308 Part V, Type 2
or equivalent. Maximum cable lengths allowable between module and the Field Device
with 24VDC nominal at the sensor/detector:
mm
2.5
1.5
1.0
.75
.25
Figure 73 – Recommended Maximum Cable Lengths
Between Module & Field Device
The maximum allowable cable lengths between the analog output connections on the
control module with a remote device in series (maximum loop resistance of 300 Ohms
between Analogue Signal & Common at the Field Device):
mm
2.5
1.5
1.0
.75
.25
Figure 74 – Maximum Allowable Cable Lengths
Between Analog Output Connections On Control Module
2
AWG Feet
14 4500
16 2250
18 1600
20 1100
22 750
2
AWG Feet
14 9000
16 5200
18 3800
20 2400
22 1600
47
Model TA102A
Meters
1372
685
488
335
228
Meters
2740
1585
1160
730
488