AUTOFLAME Mk8 MM User Manual

1 Mk8 MM Overview, Specifications and Wiring
Mk8 MM Manual Page | 26
1.3.5 Expansion Board Terminals Description
S
All terminals marked S are internally connected. They are provided for connections to the
various screened cables.
P-
0V supply to top blowdown and feed water servomotors
FW
Signal from feed water servomotor, indicating position
P+
+12V supply to top blowdown and feed water servomotors
-
Common for terminals T1, T2 and T3
T1
Signal input from T1 temperature sensor
T2
Signal input from T2 temperature sensor
-
Common for terminal T1, T2 and T3
T3
Signal input from T3 temperature sensor
TW
Signal from top blowdown servomotor, indicating position
F-
Common for terminals MF and CF
MF
Current input, 4-20mA for cold water make up flow meter
CF
Current input, 4-20mA for condensate return flow meter
I+
Current output, 4-20mA to feed water VSD
V+
Voltage output, 0-10V to feed water VSD
IV-
Common for terminals I+ and V+
EX-
Common for terminal EX+
EX+
Current input, 4-20mA for external water level probe or fuel flow feedback
DT+, DT-
Digital communications from draught control pressure sensor (Fuel 2 Gas Pressure Sensor in
Dual Fuel Output Mode)
DP-
0V supply to draught control pressure sensor and draught control servomotor (Fuel 2 Gas
Pressure Sensor in Dual Fuel Output Mode)
DP+
+12V supply to draught control pressure sensor and draught control servomotor (Fuel 2 Gas
Pressure Sensor in Dual Fuel Output Mode)
DPW
Signal from draught control servomotor, indicating position
5T+, 5T-
Digital communications from bottom blowdown module and 2
nd
low probe
4P-
0V supply to 2
nd
low resistance probe
4P+
+12V supply to 2
nd
low resistance probe
6T+, 6T-
Communications port connections I/O module RS485
3P+
+9V supply to TDS probe

AUTOFLAME Mk8 MM Specifications

General

Brand	AUTOFLAME
Model	Mk8 MM
Category	Controller
Language	English