TREND SCTI - Manual (Page 5)

2
Installation Instructions
SCVO, SCVI, SCCI, SCTI, SCDI
S Cards
SCVO, SCVI, SCCI, SCTI, SCDI S Cards Installation Instructions TG103127 Issue 2/A 22/5/03 2 - 1
Install S Card
14
S cards Installation
Instructions,
TG103127, Sheet 1
1
SHEET 2: Installation (continued)
Connect Inputs
15
Digital Inputs
(Channels 13 to 32 only)
S S
IN
Earth bar
Sensor Current Inputs
(Channels 13 to 32 only)
IN
C
Earth bar
→ I
(0 to 20 mA)
Sensor Thermistor Inputs
(Channels 13 to 32 only)
IN
C
Earth bar
0 V
SIG
Sensor External Powered Current Inputs
(Channels 13 to 32 only)
IN
C
Earth bar
→ I
(0 to 20 mA)
SIG
Trend TP/1/1/22/HF/500 (Belden 8761) cable recommended for all inputs
Terminal size 0.5 to 2.5 mm 2
C
I
V T Sensor Voltage Inputs
(Channels 13 to 32 only)
S
IN
C
Earth bar
V (0 to 10 V)
I
see step 8 for internal/external power link see step 8 for internal/external power link