ESD 92 Series - 6.1 Schematic for ESD 9213

6.1 Schematic & Connection Diagram for ESD 9213
E N P
NC
P
NO
RL1
C
R
C1
1 2 3 4 5 6 7 8 9
Pt 100
+
-
TC
SUPPLY
VOLTAGE
Pt-100 (3 WIRE RTD)
TC - THERMOCOUPLE
2II
Display board
ESD - 9123DPM-R3
CONTROL SET PRESS
DISPLAY
7 Pin connector
Secondary
Sensitivity
Span
Zero
Transformer
ESD - 189
Relay
Sensor
Primary
Backcard
ESD - 9123BK-R3
E N P NC P NO R G B
Relay1
Mother board
ESD - 9213MB4
TB
User Terminals
1 2 3 4 5 6 7 8 9
CONTROL - Red LED's for Relay
Status
SET - Potentiomenters for
setpoint adjust
PRESS - Press Switches to
read set values
DISPLAY - 12.5 mm 7 segment
RED LED
VSEN - ‘Sensitivity’
adjust Potentiometers
SPAN - ‘Span’ adjust
Potentiometer
ZERO - ‘Zero’ adjust
Potentiometer
IC1 - Amplifier
IC2 - Comparator
RL - 12 V DC Relays
TB - PBT Terminal board